/*
* Copyright 2012 Hauser Olsson GmbH
*
* Licensed 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: ch.agent.crnickl.impl
* Type: ChronicleUpdatePolicyImpl
* Version: 1.1.0
*/
package ch.agent.crnickl.impl;
import ch.agent.crnickl.T2DBException;
import ch.agent.crnickl.T2DBMsg;
import ch.agent.crnickl.T2DBMsg.D;
import ch.agent.crnickl.api.UpdatableChronicle;
import ch.agent.crnickl.api.UpdatableSeries;
import ch.agent.t2.T2Exception;
import ch.agent.t2.time.Range;
import ch.agent.t2.time.TimeIndex;
/**
* Default implementation of {@link ChronicleUpdatePolicy}.
*
* @author Jean-Paul Vetterli
* @version 1.1.0
*/
public class ChronicleUpdatePolicyImpl implements ChronicleUpdatePolicy {
private ChronicleUpdatePolicyExtension extension;
/**
* Construct a {@link ChronicleUpdatePolicy}.
*
* @param database a database
* @param extension a chronicle update policy extension
*/
public ChronicleUpdatePolicyImpl(DatabaseBackend database, ChronicleUpdatePolicyExtension extension) {
this.extension = extension;
}
@Override
public void willDelete(UpdatableChronicle entity) throws T2DBException {
int entityCount = entity.getMembers().size();
int seriesCount = entity.getSeries().size();
if (entityCount > 0 || seriesCount > 0)
throw T2DBMsg.exception(D.D40130, entity.getName(true), entityCount, seriesCount);
if (extension != null)
extension.willDelete(entity);
}
@Override
public void willDelete(UpdatableSeries<?> series) throws T2DBException {
try {
Range range = series.getRange();
if (!range.isEmpty())
throw T2DBMsg.exception(D.D50130, series.getName(true), range.toString());
} catch (T2Exception e) {
throw T2DBMsg.exception(e, D.D50102, series.getName(true));
}
if (extension != null)
extension.willDelete(series);
}
@Override
public void willUpdate(UpdatableChronicle entity) throws T2DBException {
if (extension != null)
extension.willUpdate(entity);
}
@Override
public void willUpdate(UpdatableSeries<?> series, Range range) throws T2DBException {
if (extension != null)
extension.willUpdate(series, range);
}
@Override
public void willDelete(UpdatableSeries<?> series, TimeIndex index) throws T2DBException {
if (extension != null)
extension.willDelete(series, index);
}
@Override
public boolean deleteChronicle(UpdatableChronicle entity) throws T2DBException {
if (extension != null)
return extension.deleteChronicle(entity);
else
return false;
}
@Override
public boolean deleteSeries(UpdatableSeries<?> series) throws T2DBException {
if (extension != null)
return extension.deleteSeries(series);
else
return false;
}
@Override
public boolean deleteValue(UpdatableSeries<?> series, TimeIndex index) throws T2DBException {
if (extension != null)
return extension.deleteValue(series, index);
else
return false;
}
@Override
public boolean update(UpdatableSeries<?> series, Range range) throws T2DBException {
if (extension != null)
return extension.update(series, range);
else
return false;
}
}