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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.db.internal.loader.executors;
import static org.eclipse.osee.orcs.db.internal.sql.RelationalConstants.MIN_FETCH_SIZE;
import org.eclipse.osee.executor.admin.HasCancellation;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.exception.OseeStateException;
import org.eclipse.osee.framework.database.IOseeDatabaseService;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.orcs.core.ds.LoadDataHandler;
import org.eclipse.osee.orcs.core.ds.Options;
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.QuerySqlContext;
import org.eclipse.osee.orcs.db.internal.sql.TableEnum;
/**
* @author Andrew M. Finkbeiner
*/
public class QueryContextLoadExecutor extends AbstractLoadExecutor {
private final QuerySqlContext queryContext;
public QueryContextLoadExecutor(SqlObjectLoader loader, IOseeDatabaseService dbService, QuerySqlContext queryContext) {
super(loader, dbService);
this.queryContext = queryContext;
}
@Override
public void load(HasCancellation cancellation, LoadDataHandler handler, CriteriaOrcsLoad criteria, Options options) throws OseeCoreException {
int fetchSize = LoadUtil.computeFetchSize(MIN_FETCH_SIZE);
OrcsObjectTypes typeToLoad = getObjectToLoad();
switch (typeToLoad) {
case TX:
getLoader().loadTransactions(cancellation, handler, queryContext, fetchSize);
break;
case BRANCH:
getLoader().loadBranches(cancellation, handler, queryContext, fetchSize);
break;
default:
throw new OseeStateException("Unable to determine object to load from [%s]", queryContext);
}
}
// This will be improved once we add the ability to specify what to load in the loader code.
private OrcsObjectTypes getObjectToLoad() {
OrcsObjectTypes type = OrcsObjectTypes.UNKNOWN;
String sql = queryContext.getSql();
if (Strings.isValid(sql)) {
if (sql.contains(TableEnum.TX_DETAILS_TABLE.getName())) {
type = OrcsObjectTypes.TX;
} else if (sql.contains(TableEnum.BRANCH_TABLE.getName())) {
type = OrcsObjectTypes.BRANCH;
}
}
return type;
}
private static enum OrcsObjectTypes {
ARTIFACT,
BRANCH,
TX,
UNKNOWN;
}
}
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