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/*******************************************************************************
* Copyright (c) 2013 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.orcs.core.internal.search;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.osee.executor.admin.CancellableCallable;
import org.eclipse.osee.framework.core.data.ResultSet;
import org.eclipse.osee.framework.core.enums.LoadLevel;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.logger.Log;
import org.eclipse.osee.orcs.OrcsSession;
import org.eclipse.osee.orcs.core.ds.ArtifactData;
import org.eclipse.osee.orcs.core.ds.LoadDataHandlerAdapter;
import org.eclipse.osee.orcs.core.ds.OptionsUtil;
import org.eclipse.osee.orcs.core.ds.QueryCollector;
import org.eclipse.osee.orcs.core.ds.QueryData;
import org.eclipse.osee.orcs.core.ds.QueryEngine;
import org.eclipse.osee.orcs.core.internal.artifact.Artifact;
import org.eclipse.osee.orcs.core.internal.graph.GraphBuilder;
import org.eclipse.osee.orcs.core.internal.graph.GraphBuilderFactory;
import org.eclipse.osee.orcs.core.internal.graph.GraphProvider;
import org.eclipse.osee.orcs.core.internal.proxy.ExternalArtifactManager;
import org.eclipse.osee.orcs.core.internal.util.ResultSets;
import org.eclipse.osee.orcs.data.ArtifactReadable;
import org.eclipse.osee.orcs.data.AttributeReadable;
import org.eclipse.osee.orcs.data.HasLocalId;
import org.eclipse.osee.orcs.search.Match;
import com.google.common.collect.Iterables;
/**
* @author Roberto E. Escobar
*/
public class CallableQueryFactory {
private final Log logger;
private final QueryEngine queryEngine;
private final QueryCollector collector;
private final GraphBuilderFactory builderFactory;
private final GraphProvider provider;
private final ExternalArtifactManager proxyManager;
public CallableQueryFactory(Log logger, QueryEngine queryEngine, QueryCollector collector, GraphBuilderFactory builderFactory, GraphProvider provider, ExternalArtifactManager proxyManager) {
super();
this.logger = logger;
this.queryEngine = queryEngine;
this.collector = collector;
this.builderFactory = builderFactory;
this.provider = provider;
this.proxyManager = proxyManager;
}
public CancellableCallable<Integer> createCount(OrcsSession session, QueryData queryData) {
return new AbstractSearchCallable<Integer>(session, queryData) {
@Override
protected Integer innerCall() throws Exception {
Integer results = queryEngine.createArtifactCount(getSession(), getQueryData()).call();
setItemsFound(results);
return results;
}
};
}
public CancellableCallable<ResultSet<HasLocalId>> createLocalIdSearch(OrcsSession session, QueryData queryData) {
return new AbstractSearchCallable<ResultSet<HasLocalId>>(session, queryData) {
@Override
protected ResultSet<HasLocalId> innerCall() throws Exception {
final List<HasLocalId> results = new LinkedList<HasLocalId>();
LoadDataHandlerAdapter handler = new LoadDataHandlerAdapter() {
@Override
public void onData(ArtifactData data) {
results.add(data);
}
};
OptionsUtil.setLoadLevel(getQueryData().getOptions(), LoadLevel.ATTRIBUTE);
queryEngine.createArtifactQuery(getSession(), getQueryData(), handler).call();
setItemsFound(results.size());
return ResultSets.newResultSet(results);
}
};
}
public CancellableCallable<ResultSet<ArtifactReadable>> createSearch(OrcsSession session, QueryData queryData) {
return new AbstractSearchCallable<ResultSet<ArtifactReadable>>(session, queryData) {
@Override
protected ResultSet<ArtifactReadable> innerCall() throws Exception {
GraphBuilder handler = builderFactory.createGraphBuilder(provider);
OptionsUtil.setLoadLevel(getQueryData().getOptions(), LoadLevel.FULL);
queryEngine.createArtifactQuery(getSession(), getQueryData(), handler).call();
Iterable<Artifact> results = handler.getArtifacts();
setItemsFound(Iterables.size(results));
return proxyManager.asExternalArtifacts(getSession(), results);
}
};
}
public CancellableCallable<ResultSet<Match<ArtifactReadable, AttributeReadable<?>>>> createSearchWithMatches(OrcsSession session, QueryData queryData) {
return new AbstractSearchCallable<ResultSet<Match<ArtifactReadable, AttributeReadable<?>>>>(session, queryData) {
@Override
protected ResultSet<Match<ArtifactReadable, AttributeReadable<?>>> innerCall() throws Exception {
GraphBuilder handler = builderFactory.createGraphBuilder(provider);
ArtifactMatchDataHandler matchHandler = new ArtifactMatchDataHandler(getSession(), handler, proxyManager);
OptionsUtil.setLoadLevel(getQueryData().getOptions(), LoadLevel.FULL);
queryEngine.createArtifactQuery(getSession(), getQueryData(), matchHandler).call();
List<Match<ArtifactReadable, AttributeReadable<?>>> results = matchHandler.getResults();
setItemsFound(Iterables.size(results));
return ResultSets.newResultSet(results);
}
};
}
private abstract class AbstractSearchCallable<T> extends CancellableCallable<T> {
private final OrcsSession session;
private final QueryData queryData;
private int itemsFound = 0;
public AbstractSearchCallable(OrcsSession session, QueryData queryData) {
super();
this.session = session;
this.queryData = queryData;
}
protected OrcsSession getSession() {
return session;
}
protected QueryData getQueryData() {
return queryData;
}
protected void setItemsFound(int itemsFound) {
this.itemsFound = itemsFound;
}
@Override
public final T call() throws Exception {
long startTime = System.currentTimeMillis();
long endTime = startTime;
T result = null;
try {
if (logger.isTraceEnabled()) {
logger.trace("%s [start] - [%s]", getClass().getSimpleName(), queryData);
}
result = innerCall();
} finally {
endTime = System.currentTimeMillis() - startTime;
}
if (result != null) {
notifyStats(endTime);
}
if (logger.isTraceEnabled()) {
logger.trace("%s [%s] - completed [%s]", getClass().getSimpleName(), Lib.asTimeString(endTime), queryData);
}
return result;
}
private void notifyStats(long processingTime) {
if (collector != null) {
try {
collector.collect(session, itemsFound, processingTime, queryData);
} catch (Exception ex) {
logger.error(ex, "Error reporting search to search collector\n%s", queryData);
}
}
}
protected abstract T innerCall() throws Exception;
}
}
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