// This software is released into the Public Domain. See copying.txt for details.
package org.openstreetmap.osmosis.set.v0_6;
import java.util.Map;
import org.openstreetmap.osmosis.core.container.v0_6.ChangeContainer;
import org.openstreetmap.osmosis.set.v0_6.impl.ChangeSimplifierImpl;
import org.openstreetmap.osmosis.core.sort.v0_6.SortedHistoryChangePipeValidator;
import org.openstreetmap.osmosis.core.task.v0_6.ChangeSink;
import org.openstreetmap.osmosis.core.task.v0_6.ChangeSinkChangeSource;
/**
* Looks at a sorted change stream and condenses multiple changes for a single entity into a single
* change.
*
* @author Brett Henderson
*/
public class ChangeSimplifier implements ChangeSinkChangeSource {
private SortedHistoryChangePipeValidator orderingValidator;
private ChangeSimplifierImpl changeSimplifier;
/**
* Creates a new instance.
*/
public ChangeSimplifier() {
orderingValidator = new SortedHistoryChangePipeValidator();
changeSimplifier = new ChangeSimplifierImpl();
orderingValidator.setChangeSink(changeSimplifier);
}
/**
* {@inheritDoc}
*/
@Override
public void initialize(Map<String, Object> metaData) {
orderingValidator.initialize(metaData);
}
/**
* {@inheritDoc}
*/
@Override
public void process(ChangeContainer change) {
orderingValidator.process(change);
}
/**
* {@inheritDoc}
*/
@Override
public void complete() {
orderingValidator.complete();
}
/**
* {@inheritDoc}
*/
@Override
public void release() {
orderingValidator.release();
}
/**
* {@inheritDoc}
*/
@Override
public void setChangeSink(ChangeSink changeSink) {
changeSimplifier.setChangeSink(changeSink);
}
}