/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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
*
* 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.apache.aries.transaction.jdbc.internal;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.tranql.connector.AbstractManagedConnection;
import org.tranql.connector.ManagedConnectionHandle;
import org.tranql.connector.UserPasswordManagedConnectionFactory;
import org.tranql.connector.jdbc.ConnectionHandle;
import org.tranql.connector.jdbc.TranqlDataSource;
import javax.resource.NotSupportedException;
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.TransactionSupport;
import javax.resource.spi.ValidatingManagedConnectionFactory;
import javax.security.auth.Subject;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.HashSet;
import java.util.Set;
@SuppressWarnings({
"rawtypes", "serial", "unchecked"
})
public final class ValidatingDelegatingManagedConnectionFactory implements UserPasswordManagedConnectionFactory, ValidatingManagedConnectionFactory, TransactionSupport {
private static final Logger LOG = LoggerFactory.getLogger(ValidatingDelegatingManagedConnectionFactory.class);
private final ManagedConnectionFactory delegate;
public ValidatingDelegatingManagedConnectionFactory(ManagedConnectionFactory managedConnectionFactory) {
this.delegate = managedConnectionFactory;
}
private boolean isValidConnection(Connection c) {
try {
if (c.isValid(0)) {
LOG.debug("Connection validation succeeded for managed connection {}.", c);
return true;
} else {
LOG.debug("Connection validation failed for managed connection {}.", c);
}
} catch (SQLException e) {
// no-op
}
return false;
}
@Override
public TransactionSupportLevel getTransactionSupport() {
return TransactionSupport.class.cast(delegate).getTransactionSupport();
}
@Override
public Set getInvalidConnections(Set connectionSet) throws ResourceException {
Set<ManagedConnection> invalid = new HashSet<ManagedConnection>();
for (Object o : connectionSet) {
if (o instanceof AbstractManagedConnection) {
AbstractManagedConnection<Connection, ConnectionHandle> amc = AbstractManagedConnection.class.cast(o);
if (!isValidConnection(amc.getPhysicalConnection())) {
invalid.add(amc);
}
}
}
return invalid;
}
@Override
public String getUserName() {
return UserPasswordManagedConnectionFactory.class.cast(delegate).getUserName();
}
@Override
public String getPassword() {
return UserPasswordManagedConnectionFactory.class.cast(delegate).getPassword();
}
@Override
public Object createConnectionFactory(ConnectionManager cxManager) throws ResourceException {
return new TranqlDataSource(this, cxManager);
}
@Override
public Object createConnectionFactory() throws ResourceException {
throw new NotSupportedException("ConnectionManager is required");
}
@Override
public ManagedConnection createManagedConnection(Subject subject, ConnectionRequestInfo cxRequestInfo) throws ResourceException {
return delegate.createManagedConnection(subject, cxRequestInfo);
}
@Override
public ManagedConnection matchManagedConnections(Set connectionSet, Subject subject, ConnectionRequestInfo cxRequestInfo) throws ResourceException {
for (Object o : connectionSet) {
if (o instanceof ManagedConnectionHandle) {
ManagedConnectionHandle mch = ManagedConnectionHandle.class.cast(o);
if (mch.matches(this, subject, cxRequestInfo)) {
if (mch instanceof AbstractManagedConnection) {
AbstractManagedConnection<Connection, ConnectionHandle> amc = AbstractManagedConnection.class.cast(mch);
if (isValidConnection(amc.getPhysicalConnection())) {
return amc;
}
} else {
return mch;
}
}
}
}
return null;
}
@Override
public void setLogWriter(PrintWriter out) throws ResourceException {
delegate.setLogWriter(out);
}
@Override
public PrintWriter getLogWriter() throws ResourceException {
return delegate.getLogWriter();
}
@Override
public int hashCode() {
return delegate.hashCode();
}
@Override
public boolean equals(Object other) {
return delegate.equals(other);
}
}