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/*******************************************************************************
* Copyright (c) 2004, 2007 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;
import org.eclipse.osee.framework.core.enums.ModificationType;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.services.IdentityService;
import org.eclipse.osee.framework.database.IOseeDatabaseService;
import org.eclipse.osee.framework.database.core.IOseeStatement;
import org.eclipse.osee.orcs.core.ds.AttributeRow;
import org.eclipse.osee.orcs.core.ds.AttributeRowHandler;
import org.eclipse.osee.orcs.core.ds.DataProxy;
import org.eclipse.osee.orcs.db.internal.SqlProvider;
import org.eclipse.osee.orcs.db.internal.sql.OseeSql;
/**
* @author Roberto E. Escobar
*/
public class AttributeLoader {
public static interface DataProxyFactory {
DataProxy createProxy(long typeUuid, String value, String uri) throws OseeCoreException;
}
private final SqlProvider sqlProvider;
private final IOseeDatabaseService dbService;
private final IdentityService identityService;
private final DataProxyFactory proxyFactory;
public AttributeLoader(SqlProvider sqlProvider, IOseeDatabaseService dbService, IdentityService identityService, DataProxyFactory proxyFactory) {
this.sqlProvider = sqlProvider;
this.dbService = dbService;
this.identityService = identityService;
this.proxyFactory = proxyFactory;
}
public String getSql(LoadOptions options) throws OseeCoreException {
OseeSql sqlKey;
if (options.isHistorical()) {
sqlKey = OseeSql.LOAD_HISTORICAL_ATTRIBUTES;
} else if (options.getLoadLevel().isHead()) {
sqlKey = OseeSql.LOAD_ALL_CURRENT_ATTRIBUTES;
} else if (options.areDeletedAllowed()) {
sqlKey = OseeSql.LOAD_CURRENT_ATTRIBUTES_WITH_DELETED;
} else {
sqlKey = OseeSql.LOAD_CURRENT_ATTRIBUTES;
}
return sqlProvider.getSql(sqlKey);
}
private long toUuid(int localId) throws OseeCoreException {
return identityService.getUniversalId(localId);
}
public void loadAttributeData(AttributeRowHandler handler, LoadOptions options, int fetchSize, int queryId) throws OseeCoreException {
String sql = getSql(options);
IOseeStatement chStmt = dbService.getStatement();
try {
chStmt.runPreparedQuery(fetchSize, sql, queryId);
while (chStmt.next()) {
AttributeRow nextAttr = new AttributeRow();
nextAttr.setArtifactId(chStmt.getInt("art_id"));
nextAttr.setBranchId(chStmt.getInt("branch_id"));
nextAttr.setAttrId(chStmt.getInt("attr_id"));
nextAttr.setGammaId(chStmt.getInt("gamma_id"));
nextAttr.setTransactionId(chStmt.getInt("transaction_id"));
nextAttr.setAttrTypeUuid(toUuid(chStmt.getInt("attr_type_id")));
int modId = chStmt.getInt("mod_type");
nextAttr.setModType(ModificationType.getMod(modId));
nextAttr.setHistorical(options.isHistorical());
String value = chStmt.getString("value");
String uri = chStmt.getString("uri");
DataProxy proxy = proxyFactory.createProxy(nextAttr.getAttrTypeUuid(), value, uri);
nextAttr.setDataProxy(proxy);
if (options.isHistorical()) {
nextAttr.setStripeId(chStmt.getInt("stripe_transaction_id"));
}
handler.onRow(nextAttr);
}
} finally {
chStmt.close();
}
}
}
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