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package com.sun.enterprise.connectors.util;
import com.sun.appserv.connectors.internal.api.ConnectorRuntimeException;
import com.sun.enterprise.connectors.ConnectorConnectionPool;
import com.sun.enterprise.connectors.ConnectorDescriptorInfo;
import com.sun.enterprise.connectors.authentication.ConnectorSecurityMap;
import com.sun.enterprise.connectors.authentication.RuntimeSecurityMap;
import com.sun.logging.LogDomains;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
public final class ConnectionPoolReconfigHelper {
private static final Logger _logger = LogDomains.getLogger(ConnectionPoolReconfigHelper.class, LogDomains.RSR_LOGGER);
public enum ReconfigAction {
RECREATE_POOL, UPDATE_MCF_AND_ATTRIBUTES, NO_OP
}
public static ReconfigAction compare(ConnectorConnectionPool oldPool,
ConnectorConnectionPool newPool, Set excludedProps)
throws ConnectorRuntimeException {
if (isEqualConnectorConnectionPool(oldPool, newPool, excludedProps)
== ReconfigAction.NO_OP) {
return ReconfigAction.UPDATE_MCF_AND_ATTRIBUTES;
}
return ReconfigAction.RECREATE_POOL;
}
/*
* Compare the Original ConnectorConnectionPool with the passed one
* If MCF properties are changed, indicate that pool recreation is
* required
* We only check the MCF properties since a pool restart is required
* for changes in MCF props. For pool specific properties we can get
* away without restart
* If the new pool and old pool have identical MCF properties returns
* true
*/
private static ReconfigAction isEqualConnectorConnectionPool(ConnectorConnectionPool
oldCcp, ConnectorConnectionPool newCcp, Set excludedProps) {
boolean poolsEqual = true;
//for all the following properties, we need to recreate pool if they
//have changed
if(newCcp.isPoolingOn() != oldCcp.isPoolingOn()) {
return ReconfigAction.RECREATE_POOL;
}
if (newCcp.getTransactionSupport() != oldCcp.getTransactionSupport()) {
return ReconfigAction.RECREATE_POOL;
}
if (newCcp.isAssociateWithThread() != oldCcp.isAssociateWithThread()) {
return ReconfigAction.RECREATE_POOL;
}
if (newCcp.isLazyConnectionAssoc() != oldCcp.isLazyConnectionAssoc()) {
return ReconfigAction.RECREATE_POOL;
}
if (newCcp.isPartitionedPool() != oldCcp.isPartitionedPool()) {
return ReconfigAction.RECREATE_POOL;
}
if (newCcp.getPoolDataStructureType() == null && oldCcp.getPoolDataStructureType() != null) {
return ReconfigAction.RECREATE_POOL;
}
if (newCcp.getPoolDataStructureType() != null && oldCcp.getPoolDataStructureType() == null) {
return ReconfigAction.RECREATE_POOL;
}
if (((newCcp.getPoolDataStructureType() != null) && (oldCcp.getPoolDataStructureType() != null)
&& !(newCcp.getPoolDataStructureType().equals(oldCcp.getPoolDataStructureType())))) {
return ReconfigAction.RECREATE_POOL;
}
if ((newCcp.getPoolWaitQueue() != null) && (oldCcp.getPoolWaitQueue() == null)) {
return ReconfigAction.RECREATE_POOL;
}
if ((newCcp.getPoolWaitQueue() == null) && (oldCcp.getPoolWaitQueue() != null)) {
return ReconfigAction.RECREATE_POOL;
}
if ((newCcp.getPoolWaitQueue() != null) && (oldCcp.getPoolWaitQueue() != null)
&& (!newCcp.getPoolWaitQueue().equals(oldCcp.getPoolWaitQueue()))) {
return ReconfigAction.RECREATE_POOL;
}
if ((newCcp.getDataStructureParameters() != null) && (oldCcp.getDataStructureParameters() == null)) {
return ReconfigAction.RECREATE_POOL;
}
if ((newCcp.getDataStructureParameters() == null) && (oldCcp.getDataStructureParameters() != null)) {
return ReconfigAction.RECREATE_POOL;
}
if ((newCcp.getDataStructureParameters() != null) && (oldCcp.getDataStructureParameters() != null)
&& !(newCcp.getDataStructureParameters().equals(oldCcp.getDataStructureParameters()))) {
return ReconfigAction.RECREATE_POOL;
}
ConnectorDescriptorInfo oldCdi = oldCcp.getConnectorDescriptorInfo();
ConnectorDescriptorInfo newCdi = newCcp.getConnectorDescriptorInfo();
if (!oldCdi.getResourceAdapterClassName().equals(
newCdi.getResourceAdapterClassName())) {
logFine(
"isEqualConnectorConnectionPool: getResourceAdapterClassName:: " +
oldCdi.getResourceAdapterClassName() + " -- " +
newCdi.getResourceAdapterClassName());
return ReconfigAction.RECREATE_POOL;
}
if (!oldCdi.getConnectionDefinitionName().equals(
newCdi.getConnectionDefinitionName())) {
logFine(
"isEqualConnectorConnectionPool: getConnectionDefinitionName:: " +
oldCdi.getConnectionDefinitionName() + " -- " +
newCdi.getConnectionDefinitionName());
return ReconfigAction.RECREATE_POOL;
}
ConnectorSecurityMap[] newSecurityMaps = newCcp.getSecurityMaps();
RuntimeSecurityMap newRuntimeSecurityMap =
SecurityMapUtils.processSecurityMaps(newSecurityMaps);
ConnectorSecurityMap[] oldSecurityMaps = oldCcp.getSecurityMaps();
RuntimeSecurityMap oldRuntimeSecurityMap =
SecurityMapUtils.processSecurityMaps(oldSecurityMaps);
if (!(oldRuntimeSecurityMap.equals(newRuntimeSecurityMap))) {
logFine("isEqualConnectorConnectionPool: CCP.getSecurityMaps:: " +
"New set of Security Maps is not equal to the existing" +
" set of security Maps.");
return ReconfigAction.RECREATE_POOL;
}
return oldCdi.compareMCFConfigProperties(newCdi, excludedProps);
}
private static void logFine(String msg) {
if (_logger.isLoggable(Level.FINE) && msg != null) {
_logger.fine(msg);
}
}
}