/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.oak.jcr.version;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.jcr.AccessDeniedException;
import javax.jcr.NodeIterator;
import javax.jcr.ReferentialIntegrityException;
import javax.jcr.RepositoryException;
import javax.jcr.UnsupportedRepositoryOperationException;
import javax.jcr.version.LabelExistsVersionException;
import javax.jcr.version.Version;
import javax.jcr.version.VersionException;
import javax.jcr.version.VersionHistory;
import javax.jcr.version.VersionIterator;
import com.google.common.base.Function;
import com.google.common.collect.Iterators;
import org.apache.jackrabbit.commons.iterator.FrozenNodeIteratorAdapter;
import org.apache.jackrabbit.commons.iterator.VersionIteratorAdapter;
import org.apache.jackrabbit.oak.jcr.session.NodeImpl;
import org.apache.jackrabbit.oak.jcr.session.SessionContext;
import org.apache.jackrabbit.oak.jcr.delegate.VersionDelegate;
import org.apache.jackrabbit.oak.jcr.delegate.VersionHistoryDelegate;
import org.apache.jackrabbit.oak.jcr.session.operation.SessionOperation;
import org.apache.jackrabbit.oak.util.TODO;
/**
* {@code VersionHistoryImpl}...
*/
public class VersionHistoryImpl extends NodeImpl<VersionHistoryDelegate>
implements VersionHistory {
public VersionHistoryImpl(VersionHistoryDelegate dlg, SessionContext sessionContext) {
super(dlg, sessionContext);
}
@Override
public String getVersionableUUID() throws RepositoryException {
return getVersionableIdentifier();
}
@Override
public String getVersionableIdentifier() throws RepositoryException {
return perform(new SessionOperation<String>() {
@Override
public String perform() throws RepositoryException {
return dlg.getVersionableIdentifier();
}
});
}
@Override
public Version getRootVersion() throws RepositoryException {
return perform(new SessionOperation<Version>() {
@Override
public Version perform() throws RepositoryException {
return new VersionImpl(dlg.getRootVersion(), sessionContext);
}
});
}
@Override
public VersionIterator getAllLinearVersions() throws RepositoryException {
return perform(new SessionOperation<VersionIterator>() {
@Override
public VersionIterator perform() throws RepositoryException {
return new VersionIteratorAdapter(Iterators.transform(
dlg.getAllLinearVersions(), new Function<VersionDelegate, Version>() {
@Override
public Version apply(VersionDelegate input) {
return new VersionImpl(input, sessionContext);
}
}));
}
});
}
@Override
public VersionIterator getAllVersions() throws RepositoryException {
return perform(new SessionOperation<VersionIterator>() {
@Override
public VersionIterator perform() throws RepositoryException {
return new VersionIteratorAdapter(Iterators.transform(
dlg.getAllVersions(), new Function<VersionDelegate, Version>() {
@Override
public Version apply(VersionDelegate input) {
return new VersionImpl(input, sessionContext);
}
}));
}
});
}
@Override
public NodeIterator getAllLinearFrozenNodes() throws RepositoryException {
return new FrozenNodeIteratorAdapter(getAllLinearVersions());
}
@Override
public NodeIterator getAllFrozenNodes() throws RepositoryException {
return new FrozenNodeIteratorAdapter(getAllVersions());
}
@Override
public Version getVersion(final String versionName)
throws VersionException, RepositoryException {
return perform(new SessionOperation<Version>() {
@Override
public Version perform() throws RepositoryException {
return new VersionImpl(dlg.getVersion(versionName), sessionContext);
}
});
}
@Override
public Version getVersionByLabel(final String label)
throws VersionException, RepositoryException {
return perform(new SessionOperation<Version>() {
@Override
public Version perform() throws RepositoryException {
String oakLabel = sessionContext.getOakName(label);
return new VersionImpl(dlg.getVersionByLabel(oakLabel), sessionContext);
}
});
}
@Override
public void addVersionLabel(final String versionName,
final String label,
final boolean moveLabel)
throws LabelExistsVersionException, VersionException,
RepositoryException {
perform(new SessionOperation<Void>(true) {
@Override
public Void perform() throws RepositoryException {
String oakLabel = sessionContext.getOakName(label);
// will throw VersionException if version does not exist
VersionDelegate version = dlg.getVersion(versionName);
dlg.addVersionLabel(version, oakLabel, moveLabel);
return null;
}
});
}
@Override
public void removeVersionLabel(final String label)
throws VersionException, RepositoryException {
perform(new SessionOperation<Void>(true) {
@Override
public Void perform() throws RepositoryException {
String oakLabel = sessionContext.getOakName(label);
dlg.removeVersionLabel(oakLabel);
return null;
}
});
}
@Override
public boolean hasVersionLabel(String label) throws RepositoryException {
return Arrays.asList(getVersionLabels()).contains(label);
}
@Override
public boolean hasVersionLabel(Version version, String label)
throws VersionException, RepositoryException {
return Arrays.asList(getVersionLabels(version)).contains(label);
}
@Override
public String[] getVersionLabels() throws RepositoryException {
return perform(new SessionOperation<String[]>() {
@Override
public String[] perform() throws RepositoryException {
List<String> labels = new ArrayList<String>();
for (String label : dlg.getVersionLabels()) {
labels.add(sessionContext.getJcrName(label));
}
return labels.toArray(new String[labels.size()]);
}
});
}
@Override
public String[] getVersionLabels(final Version version)
throws VersionException, RepositoryException {
if (!version.getContainingHistory().getPath().equals(getPath())) {
throw new VersionException("Version is not contained in this " +
"VersionHistory");
}
return perform(new SessionOperation<String[]>() {
@Override
public String[] perform() throws RepositoryException {
List<String> labels = new ArrayList<String>();
for (String label : dlg.getVersionLabels(version.getIdentifier())) {
labels.add(sessionContext.getJcrName(label));
}
return labels.toArray(new String[labels.size()]);
}
});
}
@Override
public void removeVersion(String versionName)
throws ReferentialIntegrityException, AccessDeniedException,
UnsupportedRepositoryOperationException, VersionException,
RepositoryException {
TODO.unimplemented().doNothing();
}
}