/**
* Sets the instance of CheckedActionFactory.
*
* @param instance an Object that implements CheckedActionFactory, or null.
*/
public void setCheckedActionFactory(CheckedActionFactory instance) {
synchronized (this) {
CheckedActionFactory oldInstance = this.checkedActionFactory;
checkedActionFactory = instance;
if (instance == null) {
this.checkedActionFactoryClassName = null;
} else if (instance != oldInstance) {
String name = ClassloadingUtility.getNameForClass(instance);
this.checkedActionFactoryClassName = name;
}
}
}
/**
* Returns an instance of a class implementing CheckedActionFactory.
*
* <p>If there is no pre-instantiated instance set and classloading or instantiation fails, this
* method will log appropriate warning and return null, not throw an exception.
*
* @return a CheckedActionFactory implementation instance, or null.
*/
public CheckedActionFactory getCheckedActionFactory() {
if (checkedActionFactory == null && checkedActionFactoryClassName != null) {
synchronized (this) {
if (checkedActionFactory == null && checkedActionFactoryClassName != null) {
try {
CheckedActionFactory instance =
ClassloadingUtility.loadAndInstantiateClass(
CheckedActionFactory.class, checkedActionFactoryClassName, null);
checkedActionFactory = instance;
} catch (final java.lang.RuntimeException ex) // todo android
{
if (Utility.isAndroid()) checkedActionFactory = new CheckedActionFactoryImple();
else throw ex;
}
}
}
}
return checkedActionFactory;
}
public boolean restore_state(InputObjectState os, int t) {
boolean res = false;
try {
_heuristic = os.unpackInt();
_committed = os.unpackBoolean();
_tranID = XidImple.unpack(os);
_theXAResource = null;
_recoveryObject = null;
if (os.unpackInt() == RecoverableXAConnection.OBJECT_RECOVERY) {
_productName = os.unpackString();
_productVersion = os.unpackString();
_jndiName = os.unpackString();
boolean haveXAResource = os.unpackBoolean();
if (haveXAResource) {
try {
// Read the classname of the serialized XAResource
String className = os.unpackString();
byte[] b = os.unpackBytes();
ByteArrayInputStream s = new ByteArrayInputStream(b);
ObjectInputStream o = new ObjectInputStream(s);
// Give the list of deserializers a chance to deserialize the record
boolean deserialized = false;
Iterator<SerializableXAResourceDeserializer> iterator =
getXAResourceDeserializers().iterator();
while (iterator.hasNext()) {
SerializableXAResourceDeserializer proxyXAResourceDeserializer = iterator.next();
if (proxyXAResourceDeserializer.canDeserialze(className)) {
_theXAResource = proxyXAResourceDeserializer.deserialze(o);
deserialized = true;
break;
}
}
// Give it a go ourselves
if (!deserialized) {
_theXAResource = (XAResource) o.readObject();
}
o.close();
if (jtaLogger.logger.isTraceEnabled()) {
jtaLogger.logger.trace("XAResourceRecord.restore_state - XAResource de-serialized");
}
} catch (Exception ex) {
// not serializable in the first place!
jtaLogger.i18NLogger.warn_resources_arjunacore_restorestate(ex);
return false;
}
} else {
/*
* Lookup new XAResource via XARecoveryModule if possible.
*/
_theXAResource = getNewXAResource();
if (_theXAResource == null) {
jtaLogger.i18NLogger.warn_resources_arjunacore_norecoveryxa(toString());
/*
* Don't prevent tx from activating because there may be
* other participants that can still recover. Plus, we will
* try to get a new XAResource later for this instance.
*/
res = true;
}
}
} else {
String creatorName = os.unpackString();
_recoveryObject =
ClassloadingUtility.loadAndInstantiateClass(
RecoverableXAConnection.class, creatorName, null);
if (_recoveryObject == null) {
throw new ClassNotFoundException();
}
_recoveryObject.unpackFrom(os);
_theXAResource = _recoveryObject.getResource();
if (jtaLogger.logger.isTraceEnabled()) {
jtaLogger.logger.trace(
"XAResourceRecord.restore_state - XAResource got from " + creatorName);
}
}
res = true;
} catch (Exception e) {
jtaLogger.i18NLogger.warn_resources_arjunacore_restorestateerror(
_theXAResource.toString(), XAHelper.xidToString(_tranID), e);
res = false;
}
if (res) res = super.restore_state(os, t);
return res;
}