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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.handlers;
import java.util.Collection;
import java.util.HashSet;
import org.eclipse.osee.framework.database.core.AbstractJoinQuery;
import org.eclipse.osee.framework.jdk.core.type.Identity;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.orcs.db.internal.loader.criteria.CriteriaAttribute;
import org.eclipse.osee.orcs.db.internal.sql.AbstractSqlWriter;
import org.eclipse.osee.orcs.db.internal.sql.SqlHandler;
import org.eclipse.osee.orcs.db.internal.sql.TableEnum;
/**
* @author Roberto E. Escobar
*/
public class AttributeSqlHandler extends SqlHandler<CriteriaAttribute> {
private CriteriaAttribute criteria;
private String jIdAlias;
private String jTypeIdAlias;
private String jArtAlias;
private String attrAlias;
private String txsAlias;
private Collection<Long> typeIds;
private AbstractJoinQuery joinIdQuery;
private AbstractJoinQuery joinTypeQuery;
@Override
public int getPriority() {
return SqlHandlerPriority.ATTRIBUTE_LOADER.ordinal();
}
@Override
public void setData(CriteriaAttribute criteria) {
this.criteria = criteria;
}
@Override
public void addSelect(AbstractSqlWriter writer) throws OseeCoreException {
writer.write("%s.attr_id, %s.attr_type_id, %s.value, %s.uri", attrAlias, attrAlias, attrAlias, attrAlias);
}
@Override
public void addTables(AbstractSqlWriter writer) throws OseeCoreException {
jArtAlias = writer.addTable(TableEnum.ARTIFACT_JOIN_TABLE);
if (criteria.getIds().size() > 1) {
jIdAlias = writer.addTable(TableEnum.ID_JOIN_TABLE);
}
typeIds = getLocalTypeIds();
if (typeIds.size() > 1) {
jTypeIdAlias = writer.addTable(TableEnum.ID_JOIN_TABLE);
}
attrAlias = writer.addTable(TableEnum.ATTRIBUTE_TABLE);
txsAlias = writer.addTable(TableEnum.TXS_TABLE);
}
private Collection<Long> getLocalTypeIds() throws OseeCoreException {
Collection<Long> toReturn = new HashSet<Long>();
for (Identity<Long> type : criteria.getTypes()) {
toReturn.add(toLocalId(type));
}
return toReturn;
}
@Override
public boolean addPredicates(AbstractSqlWriter writer) throws OseeCoreException {
writer.write(attrAlias);
writer.write(".art_id = ");
writer.write(jArtAlias);
writer.write(".art_id AND ");
writer.write(jArtAlias);
writer.write(".query_id = ?");
writer.addParameter(criteria.getQueryId());
Collection<Integer> ids = criteria.getIds();
if (!ids.isEmpty()) {
writer.write(" AND ");
if (ids.size() > 1) {
joinIdQuery = writer.writeIdJoin(ids);
writer.write(attrAlias);
writer.write(".attr_id = ");
writer.write(jIdAlias);
writer.write(".id AND ");
writer.write(jIdAlias);
writer.write(".query_id = ?");
writer.addParameter(joinIdQuery.getQueryId());
} else {
writer.write(attrAlias);
writer.write(".attr_id = ?");
writer.addParameter(ids.iterator().next());
}
}
if (!typeIds.isEmpty()) {
writer.write(" AND ");
if (typeIds.size() > 1) {
joinTypeQuery = writer.writeIdJoin(typeIds);
writer.write(attrAlias);
writer.write(".attr_type_id = ");
writer.write(jTypeIdAlias);
writer.write(".id AND ");
writer.write(jTypeIdAlias);
writer.write(".query_id = ?");
writer.addParameter(joinTypeQuery.getQueryId());
} else {
writer.write(attrAlias);
writer.write(".attr_type_id = ?");
writer.addParameter(typeIds.iterator().next());
}
}
writer.write(" AND ");
writer.write(attrAlias);
writer.write(".gamma_id = ");
writer.write(txsAlias);
writer.write(".gamma_id");
writer.write("\n AND ");
writer.write(writer.getTxBranchFilter(txsAlias));
return true;
}
}
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