com.hazelcast.spi.impl.merge.AbstractSplitBrainMergePolicy<V,T,Object>

com.hazelcast.spi.merge.PutIfAbsentMergePolicy<V,T>

Type Parameters:: V - the type of the merged value; T - the type of the merging value

All Implemented Interfaces:: DataSerializable, IdentifiedDataSerializable, SplitBrainMergePolicy<V,T,Object>

public class PutIfAbsentMergePolicy<V,T extends MergingValue<V>> extends com.hazelcast.spi.impl.merge.AbstractSplitBrainMergePolicy<V,T,Object>

Merges data structure entries from source to destination if they don't exist in the destination data structure.

Constructor Details
- PutIfAbsentMergePolicy
  
  public PutIfAbsentMergePolicy()
Method Details
- merge
  
  public Object merge(T mergingValue, T existingValue)
  
  Description copied from interface: SplitBrainMergePolicy
  
  Selects the value of either the merging or the existing MergingValue which should be merged.
  Note that the existing MergingValue instance may be null if no matching data could be found to the merging MergingValue.
  
  Parameters:
  
  mergingValue - MergingValue instance that has the merging data of the smaller sub-cluster
  
  existingValue - MergingValue instance that has the existing data or null if no matching data exists
  
  Returns:
  
  the selected value for merging
- getClassId
  
  public int getClassId()
  
  Description copied from interface: IdentifiedDataSerializable
  
  Returns type identifier for this class. It should be unique per DataSerializableFactory.
  
  Returns:
  
  type ID

Class PutIfAbsentMergePolicy<V,T extends MergingValue<V>>

Constructor Summary