-#15825 add isEmpty and nonEmpty to ByteStringBuilder

2015-03-28 13:34:47 +08:00 · 2015-03-28 13:34:47 +08:00 · 954a86bf80
commit 954a86bf80
parent 213a5a4300
2 changed files with 24 additions and 0 deletions
--- a/akka-actor/src/main/scala/akka/util/ByteString.scala
+++ b/akka-actor/src/main/scala/akka/util/ByteString.scala
@ -789,4 +789,14 @@ final class ByteStringBuilder extends Builder[Byte, ByteString] {

    override def write(b: Array[Byte], off: Int, len: Int): Unit = { builder.putBytes(b, off, len) }
  }
+
+  /**
+   * Tests whether this ByteStringBuilder is empty.
+   */
+  def isEmpty: Boolean = _length == 0
+
+  /**
+   * Tests whether this ByteStringBuilder is not empty.
+   */
+  def nonEmpty: Boolean = _length > 0
 }