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BerkeleyDbTicketRegistry.java
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BerkeleyDbTicketRegistry.java
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/*
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work
* for additional information regarding copyright ownership.
* Jasig licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a
* copy of the License at the following location:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.jasig.cas.ticket.registry;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.jasig.cas.ticket.Ticket;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
import org.springframework.util.Assert;
import com.sleepycat.bind.EntryBinding;
import com.sleepycat.bind.serial.SerialBinding;
import com.sleepycat.bind.serial.StoredClassCatalog;
import com.sleepycat.bind.tuple.StringBinding;
import com.sleepycat.je.Cursor;
import com.sleepycat.je.CursorConfig;
import com.sleepycat.je.Database;
import com.sleepycat.je.DatabaseConfig;
import com.sleepycat.je.DatabaseEntry;
import com.sleepycat.je.DatabaseException;
import com.sleepycat.je.Environment;
import com.sleepycat.je.EnvironmentConfig;
import com.sleepycat.je.LockMode;
import com.sleepycat.je.OperationStatus;
import javax.validation.constraints.NotNull;
/**
* Implementation of the TicketRegistry that is backed by a BerkeleyDb.
*
* @author Andres March
* @author Scott Battaglia
* @version $Revision$ $Date$
* @since 3.1
*/
public final class BerkeleyDbTicketRegistry extends
AbstractDistributedTicketRegistry implements InitializingBean,
DisposableBean {
private EntryBinding ticketBinding;
private Database ticketDb;
private Database catalogDb;
private Environment environment;
@NotNull
private Resource dbHome = new FileSystemResource(".");
public BerkeleyDbTicketRegistry() {
// nothing to do
}
public void afterPropertiesSet() throws Exception {
final EnvironmentConfig envConfig = new EnvironmentConfig();
envConfig.setTransactional(true);
envConfig.setAllowCreate(true);
envConfig.setTxnNoSync(true);
envConfig.setTxnWriteNoSync(true);
final DatabaseConfig dbConfig = new DatabaseConfig();
dbConfig.setTransactional(true);
dbConfig.setAllowCreate(true);
this.environment = new Environment(this.dbHome.getFile(), envConfig);
this.ticketDb = this.environment.openDatabase(null, "ticketDb",
dbConfig);
this.catalogDb = this.environment.openDatabase(null, "catalogDb",
dbConfig);
StoredClassCatalog catalog = new StoredClassCatalog(this.catalogDb);
this.ticketBinding = new SerialBinding(catalog, Ticket.class);
}
/**
* @throws IllegalArgumentException if the Ticket is null.
*/
public void addTicket(final Ticket ticket) {
Assert.notNull(ticket, "ticket cannot be null");
if (log.isDebugEnabled()) {
log.debug("Added ticket [" + ticket.getId() + "] to registry.");
}
final DatabaseEntry dataEntry = new DatabaseEntry();
try {
this.ticketBinding.objectToEntry(ticket, dataEntry);
final OperationStatus status = this.ticketDb.put(null,
getKeyFromString(ticket.getId()), dataEntry);
if (status != OperationStatus.SUCCESS) {
throw new DatabaseException("Data insertion got status "
+ status);
}
} catch (final DatabaseException e) {
throw new RuntimeException(
"Ticket Registry DB failed to add ticket : " + ticket, e);
}
}
public Ticket getTicket(final String ticketId) {
if (log.isDebugEnabled()) {
log.debug("Attempting to retrieve ticket [" + ticketId + "]");
}
final DatabaseEntry theData = new DatabaseEntry();
try {
this.ticketDb.get(null, getKeyFromString(ticketId), theData,
LockMode.DEFAULT);
} catch (final DatabaseException e) {
throw new RuntimeException(e);
}
final Ticket ticket = theData.getData() != null
? (Ticket) this.ticketBinding.entryToObject(theData) : null;
if (ticket != null && log.isDebugEnabled()) {
log.debug("Ticket [" + ticketId + "] found in registry.");
}
return getProxiedTicketInstance(ticket);
}
public boolean deleteTicket(final String ticketId) {
if (log.isDebugEnabled()) {
log.debug("Removing ticket [" + ticketId + "] from registry");
}
try {
return this.ticketDb.delete(null, getKeyFromString(ticketId)) == OperationStatus.SUCCESS;
} catch (final DatabaseException e) {
log.error(e.getMessage(), e);
throw new RuntimeException(e);
}
}
public Collection<Ticket> getTickets() {
Cursor cursor = null;
final List<Ticket> tickets = new ArrayList<Ticket>();
try {
final CursorConfig cconfig = new CursorConfig();
cconfig.setReadUncommitted(true);
cursor = this.ticketDb.openCursor(null, cconfig);
/*
* Cursors need a pair of DatabaseEntry objects to operate. These
* hold the key and data found at any given position in the
* database.
*/
final DatabaseEntry foundKey = new DatabaseEntry();
final DatabaseEntry foundData = new DatabaseEntry();
while (cursor.getNext(foundKey, foundData,
LockMode.READ_UNCOMMITTED) == OperationStatus.SUCCESS) {
if (foundData.getData() != null) {
Ticket ticket = (Ticket) this.ticketBinding
.entryToObject(foundData);
tickets.add(getProxiedTicketInstance(ticket));
}
}
cursor.close();
} catch (DatabaseException de) {
try {
if (cursor != null) {
cursor.close();
}
} catch (DatabaseException e) {
// nothing to do
}
throw new RuntimeException(de);
}
return tickets;
}
/**
* @param dbHome the dbHome to set
*/
public void setDbHome(final Resource dbHome) {
this.dbHome = dbHome;
}
public void destroy() throws Exception {
this.catalogDb.close();
this.ticketDb.close();
this.environment.close();
}
protected void updateTicket(final Ticket ticket) {
addTicket(ticket);
}
private DatabaseEntry getKeyFromString(final String key) {
final DatabaseEntry de = new DatabaseEntry();
StringBinding.stringToEntry(key, de);
return de;
}
@Override
protected boolean needsCallback() {
return false;
}
}