/*
* JBoss DNA (http://www.jboss.org/dna)
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
* See the AUTHORS.txt file in the distribution for a full listing of
* individual contributors.
*
* JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA
* is licensed to you under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* JBoss DNA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.dna.graph.connector.federation;
import java.util.List;
import java.util.Map;
import org.jboss.dna.graph.ExecutionContext;
import org.jboss.dna.graph.Location;
import org.jboss.dna.graph.cache.CachePolicy;
import org.jboss.dna.graph.observe.Observer;
import org.jboss.dna.graph.property.DateTime;
import org.jboss.dna.graph.property.Name;
import org.jboss.dna.graph.property.Property;
import org.jboss.dna.graph.request.AccessQueryRequest;
import org.jboss.dna.graph.request.CacheableRequest;
import org.jboss.dna.graph.request.CloneBranchRequest;
import org.jboss.dna.graph.request.CloneWorkspaceRequest;
import org.jboss.dna.graph.request.CopyBranchRequest;
import org.jboss.dna.graph.request.CreateNodeRequest;
import org.jboss.dna.graph.request.CreateWorkspaceRequest;
import org.jboss.dna.graph.request.DeleteBranchRequest;
import org.jboss.dna.graph.request.DeleteChildrenRequest;
import org.jboss.dna.graph.request.DestroyWorkspaceRequest;
import org.jboss.dna.graph.request.FullTextSearchRequest;
import org.jboss.dna.graph.request.GetWorkspacesRequest;
import org.jboss.dna.graph.request.LockBranchRequest;
import org.jboss.dna.graph.request.MoveBranchRequest;
import org.jboss.dna.graph.request.ReadAllChildrenRequest;
import org.jboss.dna.graph.request.ReadAllPropertiesRequest;
import org.jboss.dna.graph.request.ReadBlockOfChildrenRequest;
import org.jboss.dna.graph.request.ReadBranchRequest;
import org.jboss.dna.graph.request.ReadNextBlockOfChildrenRequest;
import org.jboss.dna.graph.request.ReadNodeRequest;
import org.jboss.dna.graph.request.ReadPropertyRequest;
import org.jboss.dna.graph.request.RemovePropertyRequest;
import org.jboss.dna.graph.request.RenameNodeRequest;
import org.jboss.dna.graph.request.Request;
import org.jboss.dna.graph.request.SetPropertyRequest;
import org.jboss.dna.graph.request.UnlockBranchRequest;
import org.jboss.dna.graph.request.UpdatePropertiesRequest;
import org.jboss.dna.graph.request.UpdateValuesRequest;
import org.jboss.dna.graph.request.VerifyNodeExistsRequest;
import org.jboss.dna.graph.request.VerifyWorkspaceRequest;
import org.jboss.dna.graph.request.processor.RequestProcessor;
/**
* A RequestProcessor used by the {@link JoinRequestProcessor} in cases where there is a single source-request with the same
* location(s). This processor merely copies the results from each source request for the
* {@link #setFederatedRequest(FederatedRequest) current federated request} into the request passed as a parameter.
*/
class JoinMirrorRequestProcessor extends RequestProcessor {
private FederatedRequest federatedRequest;
JoinMirrorRequestProcessor( String sourceName,
ExecutionContext context,
Observer observer,
DateTime now,
CachePolicy defaultCachePolicy ) {
super(sourceName, context, observer, now, defaultCachePolicy);
}
/**
* @param federatedRequest Sets federatedRequest to the specified value.
*/
void setFederatedRequest( FederatedRequest federatedRequest ) {
this.federatedRequest = federatedRequest;
}
protected boolean checkErrorOrCancel( Request request,
Request sourceRequest ) {
if (sourceRequest.hasError()) {
request.setError(sourceRequest.getError());
return true;
}
if (sourceRequest.isCancelled()) {
request.cancel();
return true;
}
return false;
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.ReadNodeRequest)
*/
@Override
public void process( ReadNodeRequest request ) {
ReadNodeRequest source = (ReadNodeRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfNode(source.getActualLocationOfNode());
for (Location childInSource : source.getChildren()) {
request.addChild(childInSource);
}
for (Property propertyInSource : source.getProperties()) {
request.addProperties(propertyInSource);
}
request.setCachePolicy(getDefaultCachePolicy());
setCacheableInfo(request, source.getCachePolicy());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.ReadAllChildrenRequest)
*/
@Override
public void process( ReadAllChildrenRequest request ) {
ReadAllChildrenRequest source = (ReadAllChildrenRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfNode(source.getActualLocationOfNode());
for (Location childInSource : source.getChildren()) {
request.addChild(childInSource);
}
request.setCachePolicy(getDefaultCachePolicy());
setCacheableInfo(request, source.getCachePolicy());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.ReadAllPropertiesRequest)
*/
@Override
public void process( ReadAllPropertiesRequest request ) {
ReadAllPropertiesRequest source = (ReadAllPropertiesRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfNode(source.getActualLocationOfNode());
for (Property propertyInSource : source.getProperties()) {
request.addProperties(propertyInSource);
}
request.setCachePolicy(getDefaultCachePolicy());
setCacheableInfo(request, source.getCachePolicy());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.ReadBlockOfChildrenRequest)
*/
@Override
public void process( ReadBlockOfChildrenRequest request ) {
ReadBlockOfChildrenRequest source = (ReadBlockOfChildrenRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfNode(source.getActualLocationOfNode());
for (Location childInSource : source.getChildren()) {
request.addChild(childInSource);
}
request.setCachePolicy(getDefaultCachePolicy());
setCacheableInfo(request, source.getCachePolicy());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.ReadNextBlockOfChildrenRequest)
*/
@Override
public void process( ReadNextBlockOfChildrenRequest request ) {
ReadNextBlockOfChildrenRequest source = (ReadNextBlockOfChildrenRequest)federatedRequest.getFirstProjectedRequest()
.getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfStartingAfterNode(source.getActualLocationOfStartingAfterNode());
for (Location childInSource : source.getChildren()) {
request.addChild(childInSource);
}
request.setCachePolicy(getDefaultCachePolicy());
setCacheableInfo(request, source.getCachePolicy());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.ReadPropertyRequest)
*/
@Override
public void process( ReadPropertyRequest request ) {
ReadPropertyRequest source = (ReadPropertyRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfNode(source.getActualLocationOfNode());
request.setProperty(source.getProperty());
request.setCachePolicy(getDefaultCachePolicy());
setCacheableInfo(request, source.getCachePolicy());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.SetPropertyRequest)
*/
@Override
public void process( SetPropertyRequest request ) {
SetPropertyRequest source = (SetPropertyRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
// Set the actual location and created flags ...
request.setActualLocationOfNode(source.getActualLocationOfNode());
request.setNewProperty(source.isNewProperty());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.VerifyNodeExistsRequest)
*/
@Override
public void process( VerifyNodeExistsRequest request ) {
VerifyNodeExistsRequest source = (VerifyNodeExistsRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfNode(source.getActualLocationOfNode());
request.setCachePolicy(getDefaultCachePolicy());
setCacheableInfo(request, source.getCachePolicy());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.RemovePropertyRequest)
*/
@Override
public void process( RemovePropertyRequest request ) {
RemovePropertyRequest source = (RemovePropertyRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfNode(source.getActualLocationOfNode());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.RenameNodeRequest)
*/
@Override
public void process( RenameNodeRequest request ) {
RenameNodeRequest source = (RenameNodeRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocations(source.getActualLocationBefore(), source.getActualLocationAfter());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.ReadBranchRequest)
*/
@Override
public void process( ReadBranchRequest request ) {
CacheableRequest source = (CacheableRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
if (source instanceof ReadBranchRequest) {
ReadBranchRequest readSource = (ReadBranchRequest)source;
request.setActualLocationOfNode(readSource.getActualLocationOfNode());
for (Location node : readSource) {
List<Location> children = readSource.getChildren(node);
if (children != null) request.setChildren(node, children);
Map<Name, Property> props = readSource.getPropertiesFor(node);
if (props != null) request.setProperties(node, props.values());
}
} else if (source instanceof ReadNodeRequest) {
ReadNodeRequest readSource = (ReadNodeRequest)source;
request.setActualLocationOfNode(readSource.getActualLocationOfNode());
Location parent = readSource.getActualLocationOfNode();
request.setChildren(parent, readSource.getChildren());
request.setProperties(parent, readSource.getPropertiesByName().values());
}
request.setCachePolicy(getDefaultCachePolicy());
setCacheableInfo(request, source.getCachePolicy());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.CreateNodeRequest)
*/
@Override
public void process( CreateNodeRequest request ) {
CreateNodeRequest source = (CreateNodeRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfNode(source.getActualLocationOfNode());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.UpdatePropertiesRequest)
*/
@Override
public void process( UpdatePropertiesRequest request ) {
UpdatePropertiesRequest source = (UpdatePropertiesRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfNode(source.getActualLocationOfNode());
request.setNewProperties(source.getNewPropertyNames());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.UpdateValuesRequest)
*/
@Override
public void process( UpdateValuesRequest request ) {
UpdateValuesRequest source = (UpdateValuesRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocation(source.getActualLocationOfNode(),
request.getActualAddedValues(),
request.getActualRemovedValues());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.CopyBranchRequest)
*/
@Override
public void process( CopyBranchRequest request ) {
CopyBranchRequest source = (CopyBranchRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocations(source.getActualLocationBefore(), source.getActualLocationAfter());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.CloneBranchRequest)
*/
@Override
public void process( CloneBranchRequest request ) {
CloneBranchRequest source = (CloneBranchRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocations(source.getActualLocationBefore(), source.getActualLocationAfter());
request.setRemovedNodes(source.getRemovedNodes());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.DeleteBranchRequest)
*/
@Override
public void process( DeleteBranchRequest request ) {
DeleteBranchRequest source = (DeleteBranchRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfNode(source.getActualLocationOfNode());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.DeleteChildrenRequest)
*/
@Override
public void process( DeleteChildrenRequest request ) {
DeleteChildrenRequest source = (DeleteChildrenRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocationOfNode(source.getActualLocationOfNode());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.MoveBranchRequest)
*/
@Override
public void process( MoveBranchRequest request ) {
MoveBranchRequest source = (MoveBranchRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocations(source.getActualLocationBefore(), source.getActualLocationAfter());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.LockBranchRequest)
*/
@Override
public void process( LockBranchRequest request ) {
LockBranchRequest source = (LockBranchRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocation(source.getActualLocation());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.UnlockBranchRequest)
*/
@Override
public void process( UnlockBranchRequest request ) {
UnlockBranchRequest source = (UnlockBranchRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
request.setActualLocation(source.getActualLocation());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.VerifyWorkspaceRequest)
*/
@Override
public void process( VerifyWorkspaceRequest request ) {
VerifyNodeExistsRequest source = (VerifyNodeExistsRequest)federatedRequest.getFirstProjectedRequest().getRequest();
if (checkErrorOrCancel(request, source)) return;
assert source.getActualLocationOfNode().getPath().isRoot();
request.setActualRootLocation(source.getActualLocationOfNode());
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.GetWorkspacesRequest)
*/
@Override
public void process( GetWorkspacesRequest request ) {
throw new UnsupportedOperationException(); // should never be called
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.CreateWorkspaceRequest)
*/
@Override
public void process( CreateWorkspaceRequest request ) {
throw new UnsupportedOperationException(); // should never be called
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.CloneWorkspaceRequest)
*/
@Override
public void process( CloneWorkspaceRequest request ) {
throw new UnsupportedOperationException(); // should never be called
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.DestroyWorkspaceRequest)
*/
@Override
public void process( DestroyWorkspaceRequest request ) {
throw new UnsupportedOperationException(); // should never be called
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.AccessQueryRequest)
*/
@Override
public void process( AccessQueryRequest request ) {
throw new UnsupportedOperationException(); // should never be called
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.request.processor.RequestProcessor#process(org.jboss.dna.graph.request.FullTextSearchRequest)
*/
@Override
public void process( FullTextSearchRequest request ) {
throw new UnsupportedOperationException(); // should never be called
}
}