com.sun.enterprise.connectors.BootstrapContextImpl Maven / Gradle / Ivy
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package com.sun.enterprise.connectors;
import com.sun.appserv.connectors.internal.api.ConnectorRuntimeException;
import com.sun.appserv.connectors.internal.api.WorkContextHandler;
import com.sun.logging.LogDomains;
import jakarta.resource.spi.BootstrapContext;
import jakarta.resource.spi.XATerminator;
import jakarta.resource.spi.work.WorkManager;
import jakarta.resource.spi.work.WorkContext;
import jakarta.transaction.TransactionSynchronizationRegistry;
import javax.naming.InitialContext;
import java.io.Serializable;
import java.util.Timer;
import java.util.logging.Logger;
import java.util.logging.Level;
/**
* BootstrapContext implementation.
*
* @author Qingqing Ouyang, Binod P.G
*/
public final class BootstrapContextImpl implements BootstrapContext, Serializable {
public static final int MAX_INSTANCE_LENGTH=24;
private static final long serialVersionUID = -8449694716854376406L;
private transient WorkManager wm;
private XATerminator xa;
private String moduleName;
private String threadPoolId;
private ClassLoader rarCL;
private static final Logger logger =
LogDomains.getLogger(BootstrapContextImpl.class, LogDomains.RSR_LOGGER);
/**
* Constructs a BootstrapContext with default
* thread pool for work manager.
*
* @param moduleName resource-adapter name
* @throws ConnectorRuntimeException If there is a failure in
* retrieving WorkManager.
*/
public BootstrapContextImpl (String moduleName) throws ConnectorRuntimeException{
this.moduleName = moduleName;
initializeWorkManager();
}
/**
* Constructs a BootstrapContext with a specified
* thread pool for work manager.
*
* @param poolId thread-pool-id
* @param moduleName resource-adapter name
* @throws ConnectorRuntimeException If there is a failure in
* retrieving WorkManager.
*/
public BootstrapContextImpl (String poolId, String moduleName, ClassLoader rarCL)
throws ConnectorRuntimeException{
this.threadPoolId = poolId;
this.moduleName = moduleName;
this.rarCL = rarCL;
initializeWorkManager();
}
/**
* Creates a java.util.Timer instance.
* This can cause a problem, since the timer threads are not actually
* under appserver control. We should override the timer later.
*
* @return java.util.Timer object.
*/
public Timer createTimer() {
// set the timer as 'daemon' such that RAs that do not cancel the timer during
// ra.stop() will not block (eg : server shutdown)
return new Timer("connectors-runtime-context", true);
}
/**
* {@inheritDoc}
*/
public boolean isContextSupported(Class aClass) {
WorkContextHandler wch = ConnectorRuntime.getRuntime().getWorkContextHandler();
wch.init(moduleName, rarCL);
return wch.isContextSupported(true, aClass.getName());
}
/**
* {@inheritDoc}
*/
public TransactionSynchronizationRegistry getTransactionSynchronizationRegistry() {
try{
InitialContext ic = new InitialContext();
return (TransactionSynchronizationRegistry)ic.lookup("java:comp/TransactionSynchronizationRegistry");
}catch(Exception e){
logger.log(Level.WARNING, "tx.sync.registry.lookup.failed", e);
RuntimeException re = new RuntimeException("Transaction Synchronization Registry Unavailable");
re.initCause(e);
throw re;
}
}
/**
* Retrieves the work manager.
*
* @return WorkManager instance.
* @see com.sun.enterprise.connectors.work.CommonWorkManager
* @see com.sun.enterprise.connectors.work.WorkManagerFactoryImpl
*/
public WorkManager getWorkManager() {
initializeWorkManager();
return wm;
}
/**
* initialize work manager reference
*/
private void initializeWorkManager() {
if (wm == null) {
try {
wm = ConnectorRuntime.getRuntime().getWorkManagerProxy(threadPoolId, moduleName, rarCL);
} catch(Exception e) {
logger.log(Level.SEVERE, "workmanager.instantiation_error", e);
}
}
}
/**
* Retrieves the XATerminator object.
*/
public XATerminator getXATerminator() {
initializeXATerminator();
return xa;
}
/**
* initializes XATerminator reference
*/
private void initializeXATerminator() {
if (xa == null) {
xa = ConnectorRuntime.getRuntime().getXATerminatorProxy(moduleName);
}
}
}