@Deprecated public class DoubleSumMessageCombiner extends Object implements MessageCombiner<org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.DoubleWritable>
Constructor and Description |
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DoubleSumMessageCombiner()
Deprecated.
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Modifier and Type | Method and Description |
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void |
combine(org.apache.hadoop.io.WritableComparable vertexIndex,
org.apache.hadoop.io.DoubleWritable originalMessage,
org.apache.hadoop.io.DoubleWritable messageToCombine)
Deprecated.
Combine messageToCombine with originalMessage, by modifying
originalMessage.
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org.apache.hadoop.io.DoubleWritable |
createInitialMessage()
Deprecated.
Get the initial message.
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public void combine(org.apache.hadoop.io.WritableComparable vertexIndex, org.apache.hadoop.io.DoubleWritable originalMessage, org.apache.hadoop.io.DoubleWritable messageToCombine)
MessageCombiner
combine
in interface MessageCombiner<org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.DoubleWritable>
vertexIndex
- Index of the vertex getting these messagesoriginalMessage
- The first message which we want to combine;
put the result of combining in this messagemessageToCombine
- The second message which we want to combine
(object may be reused - do not reference it or its
member objects)public org.apache.hadoop.io.DoubleWritable createInitialMessage()
MessageCombiner
createInitialMessage
in interface MessageCombiner<org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.DoubleWritable>
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