org.jboss.dna.connector.federation.merge.strategy
Class OneContributionMergeStrategy

java.lang.Object
  org.jboss.dna.connector.federation.merge.strategy.OneContributionMergeStrategy

All Implemented Interfaces:

MergeStrategy

@ThreadSafe
public class OneContributionMergeStrategy
extends Object
implements MergeStrategy

A merge strategy that is optimized for merging when there is a single contribution.

Author:

Randall Hauch

Constructor Summary

OneContributionMergeStrategy()

Method Summary

void	merge(FederatedNode federatedNode, List<Contribution> contributions, org.jboss.dna.graph.ExecutionContext context) Merge the contributions into a single This method only uses the one and only one non-null Contribution in the contributions.
protected org.jboss.dna.graph.Location	translateChildFromSourceToRepository(org.jboss.dna.graph.properties.PathFactory factory, org.jboss.dna.graph.Location parent, org.jboss.dna.graph.Location childInSource) Utility method to translate the list of locations of the children so that the locations all are correctly relative to parent location of the federated node.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OneContributionMergeStrategy

public OneContributionMergeStrategy()

Method Detail

merge

public void merge(FederatedNode federatedNode,
                  List<Contribution> contributions,
                  org.jboss.dna.graph.ExecutionContext context)

Merge the contributions into a single

This method only uses the one and only one non-null Contribution in the contributions.

Specified by:

merge in interface MergeStrategy

Parameters:

federatedNode - the federated node into which the contributions are to be merged; never null

contributions - the contributions to the node; never null, never empty, and never containing nulls

context - the context in which this operation is to be performed; never null

See Also:

MergeStrategy.merge(org.jboss.dna.connector.federation.merge.FederatedNode, java.util.List, org.jboss.dna.graph.ExecutionContext)

translateChildFromSourceToRepository

protected org.jboss.dna.graph.Location translateChildFromSourceToRepository(org.jboss.dna.graph.properties.PathFactory factory,
                                                                            org.jboss.dna.graph.Location parent,
                                                                            org.jboss.dna.graph.Location childInSource)

Utility method to translate the list of locations of the children so that the locations all are correctly relative to parent location of the federated node.

Parameters:

factory - the path factory

parent - the parent of the child

childInSource - the child to be translated, with a source-specific location

Returns:

the list of locations of each child