/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.resource.spi;
import java.io.PrintWriter;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import javax.resource.ResourceException;
import javax.resource.spi.ConnectionManager;
import javax.resource.spi.ConnectionRequestInfo;
import javax.resource.spi.ManagedConnection;
import javax.resource.spi.ManagedConnectionFactory;
import javax.resource.spi.ResourceAdapter;
import javax.resource.spi.ResourceAdapterAssociation;
import javax.resource.spi.ValidatingManagedConnectionFactory;
import javax.security.auth.Subject;
import org.teiid.core.TeiidException;
import org.teiid.core.util.Assertion;
import org.teiid.core.util.EquivalenceUtil;
import org.teiid.core.util.ReflectionHelper;
public abstract class BasicManagedConnectionFactory implements ManagedConnectionFactory, ResourceAdapterAssociation, ValidatingManagedConnectionFactory {
private static final long serialVersionUID = -7302713800883776790L;
private PrintWriter log;
private BasicResourceAdapter ra;
private BasicConnectionFactory cf;
@Override
public abstract BasicConnectionFactory createConnectionFactory() throws ResourceException;
@Override
public Object createConnectionFactory(ConnectionManager cm) throws ResourceException {
this.cf = createConnectionFactory();
return new WrappedConnectionFactory(this.cf, cm, this);
}
@Override
public ManagedConnection createManagedConnection(Subject arg0, ConnectionRequestInfo arg1) throws ResourceException {
Assertion.isNotNull(this.cf);
ConnectionContext.setSubject(arg0);
BasicConnection connection = null;
if (arg1 instanceof ConnectionRequestInfoWrapper) {
connection = this.cf.getConnection(((ConnectionRequestInfoWrapper)arg1).cs);
}
else {
connection = this.cf.getConnection();
}
ConnectionContext.setSubject(null);
return new BasicManagedConnection(connection);
}
@Override
public PrintWriter getLogWriter() throws ResourceException {
return this.log;
}
@Override
public ManagedConnection matchManagedConnections(Set arg0, Subject arg1, ConnectionRequestInfo arg2) throws ResourceException {
return (ManagedConnection)arg0.iterator().next();
}
@Override
public void setLogWriter(PrintWriter arg0) throws ResourceException {
this.log = arg0;
}
@Override
public ResourceAdapter getResourceAdapter() {
return this.ra;
}
@Override
public void setResourceAdapter(ResourceAdapter arg0) throws ResourceException {
this.ra = (BasicResourceAdapter)arg0;
}
public static <T> T getInstance(Class<T> expectedType, String className, Collection ctorObjs, Class defaultClass) throws ResourceException {
try {
if (className == null) {
if (defaultClass == null) {
throw new ResourceException("Neither class name or default class specified to create an instance"); //$NON-NLS-1$
}
return expectedType.cast(defaultClass.newInstance());
}
return expectedType.cast(ReflectionHelper.create(className, ctorObjs, Thread.currentThread().getContextClassLoader()));
} catch (TeiidException e) {
throw new ResourceException(e);
} catch (IllegalAccessException e) {
throw new ResourceException(e);
} catch(InstantiationException e) {
throw new ResourceException(e);
}
}
@Override
public Set<BasicManagedConnection> getInvalidConnections(Set arg0) throws ResourceException {
HashSet<BasicManagedConnection> result = new HashSet<BasicManagedConnection>();
for (Object object : arg0) {
if (object instanceof BasicManagedConnection) {
BasicManagedConnection bmc = (BasicManagedConnection)object;
if (!bmc.isValid()) {
result.add(bmc);
}
}
}
return result;
}
protected static boolean checkEquals(Object left, Object right) {
return EquivalenceUtil.areEqual(left, right);
}
}