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/*******************************************************************************
* Copyright (c) 2012 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.db.internal.loader.executors;
import java.util.List;
import java.util.function.Consumer;
import org.eclipse.osee.executor.admin.HasCancellation;
import org.eclipse.osee.framework.core.data.ArtifactId;
import org.eclipse.osee.framework.core.data.BranchId;
import org.eclipse.osee.framework.core.data.RelationalConstants;
import org.eclipse.osee.framework.core.data.TransactionId;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.jdbc.JdbcClient;
import org.eclipse.osee.jdbc.JdbcStatement;
import org.eclipse.osee.orcs.core.ds.LoadDataHandler;
import org.eclipse.osee.orcs.core.ds.Options;
import org.eclipse.osee.orcs.core.ds.OptionsUtil;
import org.eclipse.osee.orcs.db.internal.loader.LoadSqlContext;
import org.eclipse.osee.orcs.db.internal.loader.LoadUtil;
import org.eclipse.osee.orcs.db.internal.loader.SqlObjectLoader;
import org.eclipse.osee.orcs.db.internal.loader.criteria.CriteriaOrcsLoad;
import org.eclipse.osee.orcs.db.internal.search.engines.ArtifactQuerySqlContext;
import org.eclipse.osee.orcs.db.internal.sql.SqlContext;
import org.eclipse.osee.orcs.db.internal.sql.join.AbstractJoinQuery;
import org.eclipse.osee.orcs.db.internal.sql.join.Id4JoinQuery;
import org.eclipse.osee.orcs.db.internal.sql.join.SqlJoinFactory;
/**
* @author Andrew M. Finkbeiner
*/
public class ArtifactQueryContextLoadExecutor extends AbstractLoadExecutor {
private final ArtifactQuerySqlContext queryContext;
private final SqlJoinFactory joinFactory;
public ArtifactQueryContextLoadExecutor(SqlObjectLoader loader, JdbcClient jdbcClient, SqlJoinFactory joinFactory, ArtifactQuerySqlContext queryContext) {
super(loader, jdbcClient);
this.queryContext = queryContext;
this.joinFactory = joinFactory;
}
@Override
public void load(HasCancellation cancellation, LoadDataHandler handler, CriteriaOrcsLoad criteria, Options options) throws OseeCoreException {
int fetchSize = computeFetchSize(queryContext);
Id4JoinQuery join = createId4Join(getJdbcClient(), cancellation, fetchSize);
OptionsUtil.setFromBranchView(options, queryContext.getBranch().getViewId());
LoadSqlContext loadContext = new LoadSqlContext(queryContext.getSession(), options, queryContext.getBranch());
getLoader().loadArtifacts(cancellation, handler, join, criteria, loadContext, fetchSize);
}
private int computeFetchSize(SqlContext sqlContext) {
int fetchSize = RelationalConstants.MIN_FETCH_SIZE;
for (AbstractJoinQuery join : sqlContext.getJoins()) {
fetchSize = Math.max(fetchSize, join.size());
}
return LoadUtil.computeFetchSize(fetchSize);
}
private Id4JoinQuery createId4Join(JdbcClient jdbcClient, HasCancellation cancellation, int fetchSize) throws OseeCoreException {
Id4JoinQuery artifactJoin = joinFactory.createId4JoinQuery();
try {
for (AbstractJoinQuery join : queryContext.getJoins()) {
join.store();
checkCancelled(cancellation);
}
TransactionId transactionId = OptionsUtil.getFromTransaction(queryContext.getOptions());
ArtifactId viewId = OptionsUtil.getFromBranchView(queryContext.getOptions());
Consumer<JdbcStatement> consumer = stmt -> {
checkCancelled(cancellation);
Integer artId = stmt.getInt("art_id");
BranchId branchUuid = BranchId.valueOf(stmt.getLong("branch_id"));
artifactJoin.add(branchUuid, ArtifactId.valueOf(artId), transactionId, viewId);
checkCancelled(cancellation);
};
checkCancelled(cancellation);
String query = queryContext.getSql();
List<Object> params = queryContext.getParameters();
getJdbcClient().runQuery(consumer, fetchSize, query, params.toArray());
} finally {
for (AbstractJoinQuery join : queryContext.getJoins()) {
try {
join.delete();
} catch (OseeCoreException ex) {
// Ensure we try to delete all
}
}
}
return artifactJoin;
}
}
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