Formatting java codes with sbt-java-formatter.
This commit is contained in:
hepin1989
parent
27500001ea
commit
998c5a9285
401 changed files with 19750 additions and 17450 deletions
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@ -18,84 +18,88 @@ import akka.serialization.SerializerWithStringManifest;
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public class PersistenceSchemaEvolutionDocTest {
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static
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//#protobuf-read-optional-model
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public enum SeatType {
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Window("W"), Aisle("A"), Other("O"), Unknown("");
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public
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// #protobuf-read-optional-model
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static enum SeatType {
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Window("W"),
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Aisle("A"),
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Other("O"),
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Unknown("");
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private final String code;
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private SeatType(String code) {
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this.code = code;
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}
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public static SeatType fromCode(String c) {
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if (Window.code.equals(c))
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return Window;
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else if (Aisle.code.equals(c))
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return Aisle;
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else if (Other.code.equals(c))
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return Other;
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else
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return Unknown;
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if (Window.code.equals(c)) return Window;
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else if (Aisle.code.equals(c)) return Aisle;
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else if (Other.code.equals(c)) return Other;
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else return Unknown;
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}
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}
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//#protobuf-read-optional-model
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static
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//#protobuf-read-optional-model
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public class SeatReserved {
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// #protobuf-read-optional-model
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public
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// #protobuf-read-optional-model
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static class SeatReserved {
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public final String letter;
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public final int row;
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public final SeatType seatType;
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public SeatReserved(String letter, int row, SeatType seatType) {
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this.letter = letter;
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this.row = row;
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this.seatType = seatType;
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}
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}
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//#protobuf-read-optional-model
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static
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//#protobuf-read-optional
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// #protobuf-read-optional-model
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public
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// #protobuf-read-optional
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/**
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* Example serializer impl which uses protocol buffers generated classes (proto.*)
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* to perform the to/from binary marshalling.
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* Example serializer impl which uses protocol buffers generated classes (proto.*) to perform the
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* to/from binary marshalling.
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*/
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public class AddedFieldsSerializerWithProtobuf extends SerializerWithStringManifest {
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@Override public int identifier() {
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static class AddedFieldsSerializerWithProtobuf extends SerializerWithStringManifest {
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@Override
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public int identifier() {
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return 67876;
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}
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private final String seatReservedManifest = SeatReserved.class.getName();
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@Override public String manifest(Object o){
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@Override
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public String manifest(Object o) {
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return o.getClass().getName();
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}
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@Override public Object fromBinary(byte[] bytes, String manifest) throws NotSerializableException{
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@Override
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public Object fromBinary(byte[] bytes, String manifest) throws NotSerializableException {
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if (seatReservedManifest.equals(manifest)) {
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// use generated protobuf serializer
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try {
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return seatReserved(FlightAppModels.SeatReserved.parseFrom(bytes));
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} catch (InvalidProtocolBufferException e) {
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throw new IllegalArgumentException(e.getMessage());
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}
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}
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} else {
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throw new NotSerializableException("Unable to handle manifest: " + manifest);
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throw new NotSerializableException("Unable to handle manifest: " + manifest);
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}
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}
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@Override public byte[] toBinary(Object o) {
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@Override
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public byte[] toBinary(Object o) {
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if (o instanceof SeatReserved) {
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SeatReserved s = (SeatReserved) o;
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return FlightAppModels.SeatReserved.newBuilder()
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.setRow(s.row)
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.setLetter(s.letter)
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.setSeatType(s.seatType.code)
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.build().toByteArray();
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.setRow(s.row)
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.setLetter(s.letter)
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.setSeatType(s.seatType.code)
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.build()
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.toByteArray();
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} else {
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throw new IllegalArgumentException("Unable to handle: " + o);
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}
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@ -109,20 +113,16 @@ public class PersistenceSchemaEvolutionDocTest {
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// handle missing field by assigning "Unknown" value
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private SeatType seatType(FlightAppModels.SeatReserved p) {
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if (p.hasSeatType())
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return SeatType.fromCode(p.getSeatType());
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else
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return SeatType.Unknown;
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if (p.hasSeatType()) return SeatType.fromCode(p.getSeatType());
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else return SeatType.Unknown;
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}
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}
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//#protobuf-read-optional
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// #protobuf-read-optional
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public static class RenamePlainJson {
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static
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//#rename-plain-json
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public class JsonRenamedFieldAdapter implements EventAdapter {
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public
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// #rename-plain-json
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static class JsonRenamedFieldAdapter implements EventAdapter {
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// use your favorite json library
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private final ExampleJsonMarshaller marshaller = new ExampleJsonMarshaller();
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@ -130,103 +130,109 @@ public class PersistenceSchemaEvolutionDocTest {
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private final String V2 = "v2";
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// this could be done independently for each event type
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@Override public String manifest(Object event) {
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@Override
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public String manifest(Object event) {
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return V2;
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}
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@Override public JsObject toJournal(Object event) {
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@Override
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public JsObject toJournal(Object event) {
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return marshaller.toJson(event);
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}
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@Override public EventSeq fromJournal(Object event, String manifest) {
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@Override
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public EventSeq fromJournal(Object event, String manifest) {
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if (event instanceof JsObject) {
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JsObject json = (JsObject) event;
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if (V1.equals(manifest))
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json = rename(json, "code", "seatNr");
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if (V1.equals(manifest)) json = rename(json, "code", "seatNr");
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return EventSeq.single(json);
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} else {
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throw new IllegalArgumentException("Can only work with JSON, was: " +
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event.getClass().getName());
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} else {
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throw new IllegalArgumentException(
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"Can only work with JSON, was: " + event.getClass().getName());
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}
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}
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private JsObject rename(JsObject json, String from, String to) {
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// use your favorite json library to rename the field
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JsObject renamed = json;
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JsObject renamed = json;
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return renamed;
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}
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}
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//#rename-plain-json
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// #rename-plain-json
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}
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public static class SimplestCustomSerializer {
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static
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//#simplest-custom-serializer-model
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public class Person {
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public
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// #simplest-custom-serializer-model
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static class Person {
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public final String name;
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public final String surname;
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public Person(String name, String surname) {
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this.name = name;
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this.surname = surname;
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}
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}
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//#simplest-custom-serializer-model
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// #simplest-custom-serializer-model
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static
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//#simplest-custom-serializer
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public
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// #simplest-custom-serializer
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/**
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* Simplest possible serializer, uses a string representation of the Person class.
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*
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* Usually a serializer like this would use a library like:
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* protobuf, kryo, avro, cap'n proto, flatbuffers, SBE or some other dedicated serializer backend
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* to perform the actual to/from bytes marshalling.
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* <p>Usually a serializer like this would use a library like: protobuf, kryo, avro, cap'n
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* proto, flatbuffers, SBE or some other dedicated serializer backend to perform the actual
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* to/from bytes marshalling.
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*/
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public class SimplestPossiblePersonSerializer extends SerializerWithStringManifest {
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static class SimplestPossiblePersonSerializer extends SerializerWithStringManifest {
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private final Charset utf8 = Charset.forName("UTF-8");
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private final String personManifest = Person.class.getName();
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// unique identifier of the serializer
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@Override public int identifier() {
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@Override
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public int identifier() {
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return 1234567;
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}
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// extract manifest to be stored together with serialized object
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@Override public String manifest(Object o) {
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@Override
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public String manifest(Object o) {
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return o.getClass().getName();
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}
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// serialize the object
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@Override public byte[] toBinary(Object obj) {
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@Override
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public byte[] toBinary(Object obj) {
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if (obj instanceof Person) {
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Person p = (Person) obj;
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return (p.name + "|" + p.surname).getBytes(utf8);
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} else {
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throw new IllegalArgumentException(
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"Unable to serialize to bytes, clazz was: " + obj.getClass().getName());
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throw new IllegalArgumentException(
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"Unable to serialize to bytes, clazz was: " + obj.getClass().getName());
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}
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}
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// deserialize the object, using the manifest to indicate which logic to apply
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@Override public Object fromBinary(byte[] bytes, String manifest) throws NotSerializableException {
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@Override
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public Object fromBinary(byte[] bytes, String manifest) throws NotSerializableException {
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if (personManifest.equals(manifest)) {
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String nameAndSurname = new String(bytes, utf8);
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String[] parts = nameAndSurname.split("[|]");
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return new Person(parts[0], parts[1]);
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} else {
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throw new NotSerializableException(
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"Unable to deserialize from bytes, manifest was: " + manifest +
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"! Bytes length: " + bytes.length);
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"Unable to deserialize from bytes, manifest was: "
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+ manifest
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+ "! Bytes length: "
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+ bytes.length);
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}
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}
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}
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//#simplest-custom-serializer
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// #simplest-custom-serializer
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}
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public static class SamplePayload {
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private final Object payload;
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@ -239,78 +245,77 @@ public class PersistenceSchemaEvolutionDocTest {
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}
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}
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//#split-events-during-recovery
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// #split-events-during-recovery
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interface V1 {};
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interface V2 {}
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//#split-events-during-recovery
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static
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//#split-events-during-recovery
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// #split-events-during-recovery
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public
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// #split-events-during-recovery
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// V1 event:
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public class UserDetailsChanged implements V1 {
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static class UserDetailsChanged implements V1 {
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public final String name;
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public final String address;
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public UserDetailsChanged(String name, String address) {
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this.name = name;
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this.address = address;
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}
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}
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//#split-events-during-recovery
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static
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//#split-events-during-recovery
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// #split-events-during-recovery
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public
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// #split-events-during-recovery
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// corresponding V2 events:
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public class UserNameChanged implements V2 {
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static class UserNameChanged implements V2 {
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public final String name;
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public UserNameChanged(String name) {
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this.name = name;
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}
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}
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//#split-events-during-recovery
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static
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//#split-events-during-recovery
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public class UserAddressChanged implements V2 {
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// #split-events-during-recovery
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public
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// #split-events-during-recovery
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static class UserAddressChanged implements V2 {
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public final String address;
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public UserAddressChanged(String address) {
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this.address = address;
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}
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}
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//#split-events-during-recovery
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static
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//#split-events-during-recovery
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// #split-events-during-recovery
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public
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// #split-events-during-recovery
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// event splitting adapter:
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public class UserEventsAdapter implements EventAdapter {
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@Override public String manifest(Object event) {
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static class UserEventsAdapter implements EventAdapter {
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@Override
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public String manifest(Object event) {
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return "";
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}
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@Override public EventSeq fromJournal(Object event, String manifest) {
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@Override
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public EventSeq fromJournal(Object event, String manifest) {
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if (event instanceof UserDetailsChanged) {
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UserDetailsChanged c = (UserDetailsChanged) event;
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if (c.name == null)
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return EventSeq.single(new UserAddressChanged(c.address));
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else if (c.address == null)
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return EventSeq.single(new UserNameChanged(c.name));
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else
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return EventSeq.create(
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new UserNameChanged(c.name),
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new UserAddressChanged(c.address));
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if (c.name == null) return EventSeq.single(new UserAddressChanged(c.address));
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else if (c.address == null) return EventSeq.single(new UserNameChanged(c.name));
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else return EventSeq.create(new UserNameChanged(c.name), new UserAddressChanged(c.address));
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} else {
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return EventSeq.single(event);
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}
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}
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@Override public Object toJournal(Object event) {
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@Override
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public Object toJournal(Object event) {
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return event;
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}
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}
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//#split-events-during-recovery
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static public class CustomerBlinked {
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// #split-events-during-recovery
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public static class CustomerBlinked {
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public final long customerId;
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public CustomerBlinked(long customerId) {
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@ -318,92 +323,92 @@ public class PersistenceSchemaEvolutionDocTest {
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}
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}
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static
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//#string-serializer-skip-deleved-event-by-manifest
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public class EventDeserializationSkipped {
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public static EventDeserializationSkipped instance =
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new EventDeserializationSkipped();
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private EventDeserializationSkipped() {
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}
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public
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// #string-serializer-skip-deleved-event-by-manifest
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static class EventDeserializationSkipped {
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public static EventDeserializationSkipped instance = new EventDeserializationSkipped();
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private EventDeserializationSkipped() {}
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}
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//#string-serializer-skip-deleved-event-by-manifest
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static
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//#string-serializer-skip-deleved-event-by-manifest
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public class RemovedEventsAwareSerializer extends SerializerWithStringManifest {
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// #string-serializer-skip-deleved-event-by-manifest
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public
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// #string-serializer-skip-deleved-event-by-manifest
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static class RemovedEventsAwareSerializer extends SerializerWithStringManifest {
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private final Charset utf8 = Charset.forName("UTF-8");
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private final String customerBlinkedManifest = "blinked";
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// unique identifier of the serializer
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@Override public int identifier() {
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@Override
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public int identifier() {
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return 8337;
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}
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// extract manifest to be stored together with serialized object
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@Override public String manifest(Object o) {
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if (o instanceof CustomerBlinked)
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return customerBlinkedManifest;
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else
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return o.getClass().getName();
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@Override
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public String manifest(Object o) {
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if (o instanceof CustomerBlinked) return customerBlinkedManifest;
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else return o.getClass().getName();
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}
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@Override public byte[] toBinary(Object o) {
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@Override
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public byte[] toBinary(Object o) {
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return o.toString().getBytes(utf8); // example serialization
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}
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@Override public Object fromBinary(byte[] bytes, String manifest) {
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if (customerBlinkedManifest.equals(manifest))
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return EventDeserializationSkipped.instance;
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else
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return new String(bytes, utf8);
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@Override
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public Object fromBinary(byte[] bytes, String manifest) {
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if (customerBlinkedManifest.equals(manifest)) return EventDeserializationSkipped.instance;
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else return new String(bytes, utf8);
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}
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}
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//#string-serializer-skip-deleved-event-by-manifest
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// #string-serializer-skip-deleved-event-by-manifest
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static
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//#string-serializer-skip-deleved-event-by-manifest-adapter
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public class SkippedEventsAwareAdapter implements EventAdapter {
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@Override public String manifest(Object event) {
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public
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// #string-serializer-skip-deleved-event-by-manifest-adapter
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static class SkippedEventsAwareAdapter implements EventAdapter {
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@Override
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public String manifest(Object event) {
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return "";
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}
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@Override public Object toJournal(Object event) {
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@Override
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public Object toJournal(Object event) {
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return event;
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}
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@Override public EventSeq fromJournal(Object event, String manifest) {
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if (event == EventDeserializationSkipped.instance)
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return EventSeq.empty();
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else
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return EventSeq.single(event);
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@Override
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public EventSeq fromJournal(Object event, String manifest) {
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if (event == EventDeserializationSkipped.instance) return EventSeq.empty();
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else return EventSeq.single(event);
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}
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}
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//#string-serializer-skip-deleved-event-by-manifest-adapter
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//#string-serializer-handle-rename
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static
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//#string-serializer-handle-rename
|
||||
public class RenamedEventAwareSerializer extends SerializerWithStringManifest {
|
||||
// #string-serializer-skip-deleved-event-by-manifest-adapter
|
||||
|
||||
// #string-serializer-handle-rename
|
||||
public
|
||||
// #string-serializer-handle-rename
|
||||
static class RenamedEventAwareSerializer extends SerializerWithStringManifest {
|
||||
private final Charset utf8 = Charset.forName("UTF-8");
|
||||
|
||||
// unique identifier of the serializer
|
||||
@Override public int identifier() {
|
||||
@Override
|
||||
public int identifier() {
|
||||
return 8337;
|
||||
}
|
||||
|
||||
private final String oldPayloadClassName =
|
||||
private final String oldPayloadClassName =
|
||||
"docs.persistence.OldPayload"; // class NOT available anymore
|
||||
private final String myPayloadClassName =
|
||||
SamplePayload.class.getName();
|
||||
|
||||
private final String myPayloadClassName = SamplePayload.class.getName();
|
||||
|
||||
// extract manifest to be stored together with serialized object
|
||||
@Override public String manifest(Object o) {
|
||||
@Override
|
||||
public String manifest(Object o) {
|
||||
return o.getClass().getName();
|
||||
}
|
||||
|
||||
@Override public byte[] toBinary(Object o) {
|
||||
|
||||
@Override
|
||||
public byte[] toBinary(Object o) {
|
||||
if (o instanceof SamplePayload) {
|
||||
SamplePayload s = (SamplePayload) o;
|
||||
return s.payload.toString().getBytes(utf8);
|
||||
|
|
@ -413,78 +418,80 @@ public class PersistenceSchemaEvolutionDocTest {
|
|||
"Unable to serialize to bytes, clazz was: " + o.getClass().getName());
|
||||
}
|
||||
}
|
||||
|
||||
@Override public Object fromBinary(byte[] bytes, String manifest) throws NotSerializableException {
|
||||
if (oldPayloadClassName.equals(manifest))
|
||||
return new SamplePayload(new String(bytes, utf8));
|
||||
|
||||
@Override
|
||||
public Object fromBinary(byte[] bytes, String manifest) throws NotSerializableException {
|
||||
if (oldPayloadClassName.equals(manifest)) return new SamplePayload(new String(bytes, utf8));
|
||||
else if (myPayloadClassName.equals(manifest))
|
||||
return new SamplePayload(new String(bytes, utf8));
|
||||
else throw new NotSerializableException("unexpected manifest [" + manifest + "]");
|
||||
}
|
||||
}
|
||||
//#string-serializer-handle-rename
|
||||
|
||||
static
|
||||
//#detach-models
|
||||
// #string-serializer-handle-rename
|
||||
|
||||
public
|
||||
// #detach-models
|
||||
// Domain model - highly optimised for domain language and maybe "fluent" usage
|
||||
public class Customer {
|
||||
static class Customer {
|
||||
public final String name;
|
||||
|
||||
public Customer(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
}
|
||||
|
||||
//#detach-models
|
||||
static
|
||||
//#detach-models
|
||||
public class Seat {
|
||||
|
||||
// #detach-models
|
||||
public
|
||||
// #detach-models
|
||||
static class Seat {
|
||||
public final String code;
|
||||
|
||||
public Seat(String code) {
|
||||
this.code = code;
|
||||
}
|
||||
|
||||
|
||||
public SeatBooked bookFor(Customer customer) {
|
||||
return new SeatBooked(code, customer);
|
||||
}
|
||||
}
|
||||
|
||||
//#detach-models
|
||||
static
|
||||
//#detach-models
|
||||
public class SeatBooked {
|
||||
|
||||
// #detach-models
|
||||
public
|
||||
// #detach-models
|
||||
static class SeatBooked {
|
||||
public final String code;
|
||||
public final Customer customer;
|
||||
|
||||
|
||||
public SeatBooked(String code, Customer customer) {
|
||||
this.code = code;
|
||||
this.customer = customer;
|
||||
}
|
||||
}
|
||||
|
||||
//#detach-models
|
||||
static
|
||||
//#detach-models
|
||||
|
||||
// #detach-models
|
||||
public
|
||||
// #detach-models
|
||||
// Data model - highly optimised for schema evolution and persistence
|
||||
public class SeatBookedData {
|
||||
static class SeatBookedData {
|
||||
public final String code;
|
||||
public final String customerName;
|
||||
|
||||
|
||||
public SeatBookedData(String code, String customerName) {
|
||||
this.code = code;
|
||||
this.customerName = customerName;
|
||||
}
|
||||
}
|
||||
//#detach-models
|
||||
|
||||
//#detach-models-adapter
|
||||
// #detach-models
|
||||
|
||||
// #detach-models-adapter
|
||||
class DetachedModelsAdapter implements EventAdapter {
|
||||
@Override public String manifest(Object event) {
|
||||
@Override
|
||||
public String manifest(Object event) {
|
||||
return "";
|
||||
}
|
||||
|
||||
@Override public Object toJournal(Object event) {
|
||||
|
||||
@Override
|
||||
public Object toJournal(Object event) {
|
||||
if (event instanceof SeatBooked) {
|
||||
SeatBooked s = (SeatBooked) event;
|
||||
return new SeatBookedData(s.code, s.customer.name);
|
||||
|
|
@ -492,8 +499,9 @@ public class PersistenceSchemaEvolutionDocTest {
|
|||
throw new IllegalArgumentException("Unsupported: " + event.getClass());
|
||||
}
|
||||
}
|
||||
|
||||
@Override public EventSeq fromJournal(Object event, String manifest) {
|
||||
|
||||
@Override
|
||||
public EventSeq fromJournal(Object event, String manifest) {
|
||||
if (event instanceof SeatBookedData) {
|
||||
SeatBookedData d = (SeatBookedData) event;
|
||||
return EventSeq.single(new SeatBooked(d.code, new Customer(d.customerName)));
|
||||
|
|
@ -502,35 +510,36 @@ public class PersistenceSchemaEvolutionDocTest {
|
|||
}
|
||||
}
|
||||
}
|
||||
//#detach-models-adapter
|
||||
|
||||
static
|
||||
//#detach-models-adapter-json
|
||||
public class JsonDataModelAdapter implements EventAdapter {
|
||||
// #detach-models-adapter
|
||||
|
||||
public
|
||||
// #detach-models-adapter-json
|
||||
static class JsonDataModelAdapter implements EventAdapter {
|
||||
|
||||
// use your favorite json library
|
||||
private final ExampleJsonMarshaller marshaller =
|
||||
new ExampleJsonMarshaller();
|
||||
|
||||
@Override public String manifest(Object event) {
|
||||
private final ExampleJsonMarshaller marshaller = new ExampleJsonMarshaller();
|
||||
|
||||
@Override
|
||||
public String manifest(Object event) {
|
||||
return "";
|
||||
}
|
||||
|
||||
@Override public JsObject toJournal(Object event) {
|
||||
|
||||
@Override
|
||||
public JsObject toJournal(Object event) {
|
||||
return marshaller.toJson(event);
|
||||
}
|
||||
|
||||
@Override public EventSeq fromJournal(Object event, String manifest) {
|
||||
@Override
|
||||
public EventSeq fromJournal(Object event, String manifest) {
|
||||
if (event instanceof JsObject) {
|
||||
JsObject json = (JsObject) event;
|
||||
return EventSeq.single(marshaller.fromJson(json));
|
||||
} else {
|
||||
throw new IllegalArgumentException(
|
||||
"Unable to fromJournal a non-JSON object! Was: " + event.getClass());
|
||||
"Unable to fromJournal a non-JSON object! Was: " + event.getClass());
|
||||
}
|
||||
}
|
||||
}
|
||||
//#detach-models-adapter-json
|
||||
// #detach-models-adapter-json
|
||||
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue