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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.framework.skynet.core.utility;
import java.util.Random;
import org.eclipse.osee.framework.core.exception.OseeDataStoreException;
import org.eclipse.osee.framework.database.IOseeDatabaseService;
import org.eclipse.osee.framework.database.core.OseeInfo;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.framework.skynet.core.internal.ServiceUtil;
/**
* @author Roberto E. Escobar
*/
public class JoinUtility {
private static final Long DEFAULT_JOIN_EXPIRATION_SECONDS = 3L * 60L * 60L; // 3 hours
private static final String EXPIRATION_SECS__ARTIFACT_JOIN_QUERY = "artifact.join.expiration.secs";
private static final String EXPIRATION_SECS__CHAR_JOIN_QUERY = "char.join.expiration.secs";
private static final String EXPIRATION_SECS__ID_JOIN_QUERY = "id.join.expiration.secs";
private static final String EXPIRATION_SECS__TX_JOIN_QUERY = "tx.join.expiration.secs";
private static final Random random = new Random();
private JoinUtility() {
// Utility Class
}
private static int getNewQueryId() {
return random.nextInt();
}
private static IJoinAccessor createAccessor(IOseeDatabaseService service) {
return new DatabaseJoinAccessor(service);
}
public static CharJoinQuery createCharJoinQuery(IOseeDatabaseService service) {
return createCharJoinQuery(service, null);
}
public static CharJoinQuery createCharJoinQuery(IOseeDatabaseService service, Long expiresIn) {
Long actualExpiration = getExpiresIn(service, expiresIn, EXPIRATION_SECS__CHAR_JOIN_QUERY);
return new CharJoinQuery(createAccessor(service), actualExpiration, getNewQueryId());
}
public static IdJoinQuery createIdJoinQuery(IOseeDatabaseService service) {
return createIdJoinQuery(service, null);
}
public static IdJoinQuery createIdJoinQuery(IOseeDatabaseService service, Long expiresIn) {
Long actualExpiration = getExpiresIn(service, expiresIn, EXPIRATION_SECS__ID_JOIN_QUERY);
return new IdJoinQuery(createAccessor(service), actualExpiration, getNewQueryId());
}
public static ArtifactJoinQuery createArtifactJoinQuery(IOseeDatabaseService service) {
return createArtifactJoinQuery(service, null);
}
public static ArtifactJoinQuery createArtifactJoinQuery(IOseeDatabaseService service, Long expiresIn) {
Long actualExpiration = getExpiresIn(service, expiresIn, EXPIRATION_SECS__ARTIFACT_JOIN_QUERY);
return new ArtifactJoinQuery(createAccessor(service), actualExpiration, getNewQueryId(),
getMaxArtifactJoinSize(service));
}
public static TransactionJoinQuery createTransactionJoinQuery(IOseeDatabaseService service) {
return createTransactionJoinQuery(service, null);
}
public static TransactionJoinQuery createTransactionJoinQuery(IOseeDatabaseService service, Long expiresIn) {
Long actualExpiration = getExpiresIn(service, expiresIn, EXPIRATION_SECS__TX_JOIN_QUERY);
return new TransactionJoinQuery(createAccessor(service), actualExpiration, getNewQueryId());
}
////////////////// Static Legacy Calls /////////////////////////
private static IOseeDatabaseService getDatabase() throws OseeDataStoreException {
return ServiceUtil.getOseeDatabaseService();
}
public static IdJoinQuery createIdJoinQuery() throws OseeDataStoreException {
return createIdJoinQuery(getDatabase());
}
public static ArtifactJoinQuery createArtifactJoinQuery() {
IOseeDatabaseService service = getDatabase();
return createArtifactJoinQuery(service);
}
public static TransactionJoinQuery createTransactionJoinQuery() {
IOseeDatabaseService service = getDatabase();
return createTransactionJoinQuery(service);
}
private static int getMaxArtifactJoinSize(IOseeDatabaseService service) {
int toReturn = Integer.MAX_VALUE;
String maxSize = OseeInfo.getValue(service, "artifact.join.max.size");
if (Strings.isNumeric(maxSize)) {
toReturn = Integer.parseInt(maxSize);
}
return toReturn;
}
private static Long getExpiresIn(IOseeDatabaseService service, Long actual, String defaultKey) {
Long toReturn = DEFAULT_JOIN_EXPIRATION_SECONDS;
if (actual != null) {
toReturn = actual;
} else {
String expiration = OseeInfo.getValue(service, defaultKey);
if (Strings.isNumeric(expiration)) {
toReturn = Long.parseLong(expiration);
}
}
return toReturn;
}
}
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