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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.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.eclipse.osee.executor.admin.CancellableCallable;
import org.eclipse.osee.framework.core.data.BranchId;
import org.eclipse.osee.framework.core.data.IOseeBranch;
import org.eclipse.osee.framework.core.data.TokenFactory;
import org.eclipse.osee.framework.core.enums.LoadLevel;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.type.ResultSet;
import org.eclipse.osee.framework.jdk.core.type.ResultSets;
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.BranchData;
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.data.BranchReadable;
/**
* @author Roberto E. Escobar
*/
public class BranchCallableQueryFactory {
private final Log logger;
private final QueryEngine queryEngine;
private final QueryCollector collector;
public BranchCallableQueryFactory(Log logger, QueryEngine queryEngine, QueryCollector collector) {
super();
this.logger = logger;
this.queryEngine = queryEngine;
this.collector = collector;
}
public CancellableCallable<Integer> createBranchCount(OrcsSession session, QueryData queryData) {
return new AbstractSearchCallable<Integer>(session, queryData) {
@Override
protected Integer innerCall() throws Exception {
Integer results = queryEngine.createBranchCount(getSession(), getQueryData()).call();
setItemsFound(results);
return results;
}
};
}
public CancellableCallable<ResultSet<BranchReadable>> createBranchSearch(OrcsSession session, QueryData queryData) {
return new AbstractSearchCallable<ResultSet<BranchReadable>>(session, queryData) {
@Override
protected ResultSet<BranchReadable> innerCall() throws Exception {
BranchBuilder<BranchReadable> handler = new BranchBuilder<BranchReadable>() {
@Override
public BranchReadable createBranch(BranchData data) {
// For now we assume the row is also readable
// This will change once write branch API is added.
return (BranchReadable) data;
}
};
OptionsUtil.setLoadLevel(getQueryData().getOptions(), LoadLevel.ALL);
queryEngine.createBranchQuery(getSession(), getQueryData(), handler).call();
List<BranchReadable> results = handler.getBranches();
setItemsFound(results.size());
return ResultSets.newResultSet(results);
}
};
}
public CancellableCallable<ResultSet<IOseeBranch>> createBranchAsIdSearch(OrcsSession session, QueryData queryData) {
return new AbstractSearchCallable<ResultSet<IOseeBranch>>(session, queryData) {
@Override
protected ResultSet<IOseeBranch> innerCall() throws Exception {
BranchBuilder<IOseeBranch> handler = new BranchBuilder<IOseeBranch>() {
@Override
public IOseeBranch createBranch(BranchData data) {
return TokenFactory.createBranch(data.getUuid(), data.getName());
}
};
OptionsUtil.setLoadLevel(getQueryData().getOptions(), LoadLevel.ALL);
queryEngine.createBranchQuery(getSession(), getQueryData(), handler).call();
List<IOseeBranch> results = handler.getBranches();
setItemsFound(results.size());
return ResultSets.newResultSet(results);
}
};
}
private abstract class BranchBuilder<T extends BranchId> extends LoadDataHandlerAdapter {
private Map<Long, T> branchMap;
private List<T> results;
@Override
public void onLoadStart() throws OseeCoreException {
super.onLoadStart();
branchMap = new LinkedHashMap<>();
}
@Override
public void onLoadEnd() throws OseeCoreException {
super.onLoadEnd();
results = new LinkedList<>(branchMap.values());
branchMap.clear();
}
@Override
public void onData(BranchData data) throws OseeCoreException {
Long key = data.getUuid();
T branch = branchMap.get(key);
if (branch == null) {
branch = createBranch(data);
branchMap.put(key, branch);
}
}
public List<T> getBranches() {
return results;
}
public abstract T createBranch(BranchData data) throws OseeCoreException;
}
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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