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/**************************************************************************
* TraceableEntity
*
* $Workfile$
* $Revision: 1.108 $
* $Date: 2005/10/06 14:46:22 $
*
* Copyright (C) 2001 CERN - European Organization for Nuclear Research
* All rights reserved.
**************************************************************************/
package com.c2kernel.entity;
import java.util.Iterator;
import com.c2kernel.common.AccessRightsException;
import com.c2kernel.common.InvalidDataException;
import com.c2kernel.common.InvalidTransitionException;
import com.c2kernel.common.ObjectAlreadyExistsException;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.common.PersistencyException;
import com.c2kernel.entity.agent.JobArrayList;
import com.c2kernel.lifecycle.instance.CompositeActivity;
import com.c2kernel.lifecycle.instance.Workflow;
import com.c2kernel.lifecycle.instance.stateMachine.Transitions;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.lookup.InvalidEntityPathException;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.persistency.ClusterStorageException;
import com.c2kernel.persistency.TransactionManager;
import com.c2kernel.process.Gateway;
import com.c2kernel.property.Property;
import com.c2kernel.property.PropertyArrayList;
import com.c2kernel.utils.CastorXMLUtility;
import com.c2kernel.utils.Logger;
/**************************************************************************
*
* @author $Author: abranson $ $Date: 2005/10/06 14:46:22 $
* @version $Revision: 1.108 $
* <pre>
* ,. '\'\ ,---.
* . | \\ l\\l_ // |
* _ _ | \\/ `/ `.| |
* /~\\ \ //~\ | Y | | || Y |
* | \\ \ // | | \| | |\ / |
* [ || || ] \ | o|o | > /
* ] Y || || Y [ \___\_--_ /_/__/
* | \_|l,------.l|_/ | /.-\(____) /--.\
* | >' `< | `--(______)----'
* \ (/~`--____--'~\) / u// u / \
* `-_>-__________-<_-' / \ / /|
* /(_#(__)#_)\ ( .) / / ]
* \___/__\___/ `.`' / [
* /__`--'__\ |`-' |
* /\(__,>-~~ __) | |_
* /\//\\( `--~~ ) _l |-:.
* '\/ <^\ /^> | ` ( < \\
* _\ >-__-< /_ ,-\ ,-~~->. \ `:._,/
* (___\ /___) (____/ (____) `-'
* Kovax and, paradoxically, Kovax
* </pre>
***************************************************************************/
public class TraceableEntity extends ItemPOA
{
private int mSystemKey;
private org.omg.PortableServer.POA mPoa;
private TransactionManager mStorage;
/**************************************************************************
* Constructor used by the Locator only
**************************************************************************/
public TraceableEntity( int key,
org.omg.PortableServer.POA poa )
{
Logger.msg(5,"TraceableEntity::constructor() - SystemKey:" + key );
mSystemKey = key;
mPoa = poa;
mStorage = Gateway.getStorage();
}
/**************************************************************************
*
**************************************************************************/
public org.omg.PortableServer.POA _default_POA()
{
if(mPoa != null)
return mPoa;
else
return super._default_POA();
}
/**************************************************************************
*
**************************************************************************/
public int getSystemKey()
{
Logger.msg(8, "TraceableEntity::getSystemKey() - " + mSystemKey);
return mSystemKey;
}
/**************************************************************************
*
**************************************************************************/
public void initialise( int agentId,
String propString,
String initWfString
)
throws AccessRightsException,
InvalidDataException,
PersistencyException
{
Logger.msg(1, "TraceableEntity::initialise("+mSystemKey+") - agent:"+agentId);
synchronized (this) {
Workflow lc = null;
PropertyArrayList props = null;
AgentPath agentPath;
try {
agentPath = new AgentPath(agentId);
} catch (InvalidEntityPathException e) {
throw new AccessRightsException("Invalid Agent Id:" + agentId);
}
//unmarshalling checks the validity of the received strings
// create properties
if (!propString.equals("")) {
try {
props = (PropertyArrayList)CastorXMLUtility.unmarshall(propString);
for (Iterator i = props.list.iterator(); i.hasNext();) {
Property thisProp = (Property)i.next();
mStorage.put(mSystemKey, thisProp, props);
}
} catch (Throwable ex) {
Logger.msg(8, "TraceableEntity::initialise("+mSystemKey+ ") - Properties were invalid: "+propString);
Logger.error(ex);
mStorage.abort(props);
}
mStorage.commit(props);
}
// create wf
try {
if (initWfString == null || initWfString.equals(""))
lc = new Workflow(new CompositeActivity());
else
lc = new Workflow((CompositeActivity)CastorXMLUtility.unmarshall(initWfString));
lc.initialise(mSystemKey, agentPath);
mStorage.put(mSystemKey, lc, null);
} catch (Throwable ex) {
Logger.msg(8, "TraceableEntity::initialise("+mSystemKey+") - Workflow was invalid: "+initWfString);
Logger.error(ex);
}
}
}
/**************************************************************************
*
**************************************************************************/
//requestdata is xmlstring
public void requestAction( int agentId,
String stepPath,
int transitionID,
String requestData
)
throws AccessRightsException,
InvalidTransitionException,
ObjectNotFoundException,
InvalidDataException,
PersistencyException,
ObjectAlreadyExistsException
{
synchronized (this) {
try {
Logger.msg(1, "TraceableEntity::request("+mSystemKey+") - " +
Transitions.getTransitionName(transitionID) + " "+stepPath + " by " +agentId );
AgentPath agent = new AgentPath(agentId);
Workflow lifeCycle = (Workflow)mStorage.get(mSystemKey, ClusterStorage.LIFECYCLE+"/workflow", null);
lifeCycle.requestAction( agent,
stepPath,
transitionID,
requestData );
// store the workflow if we've changed the state of the domain wf
if (!(stepPath.startsWith("workflow/predefined")))
mStorage.put(mSystemKey, lifeCycle, null);
// Normal operation exceptions
} catch (AccessRightsException ex) {
Logger.msg("Propagating AccessRightsException back to the calling agent");
throw ex;
} catch (InvalidTransitionException ex) {
Logger.msg("Propagating InvalidTransitionException back to the calling agent");
throw ex;
} catch (ObjectNotFoundException ex) {
Logger.msg("Propagating ObjectNotFoundException back to the calling agent");
throw ex;
// errors
} catch (ClusterStorageException ex) {
Logger.error(ex);
throw new PersistencyException("Error on storage: "+ex.getMessage(), "");
} catch (InvalidEntityPathException ex) {
Logger.error(ex);
throw new AccessRightsException("Invalid Agent Id: "+agentId, "");
} catch (InvalidDataException ex) {
Logger.error(ex);
Logger.msg("Propagating InvalidDataException back to the calling agent");
throw ex;
} catch (ObjectAlreadyExistsException ex) {
Logger.error(ex);
Logger.msg("Propagating ObjectAlreadyExistsException back to the calling agent");
throw ex;
// non-CORBA exception hasn't been caught!
} catch (Throwable ex) {
Logger.error("Unknown Error: requestAction on "+mSystemKey+" by "+agentId+" executing "+stepPath);
Logger.error(ex);
throw new InvalidDataException("Extraordinary Exception during execution:"+ex.getClass().getName()+" - "+ex.getMessage(), "");
}
}
}
/**************************************************************************
*
**************************************************************************/
public String queryLifeCycle( int agentId,
boolean filter
)
throws AccessRightsException,
ObjectNotFoundException,
PersistencyException
{
synchronized (this) {
Logger.msg(1, "TraceableEntity::queryLifeCycle("+mSystemKey+") - agent: " + agentId);
try
{
AgentPath agent = new AgentPath(agentId);
Workflow wf = (Workflow)mStorage.get(mSystemKey, ClusterStorage.LIFECYCLE+"/workflow", null);
JobArrayList jobBag = new JobArrayList();
CompositeActivity domainWf = (CompositeActivity)wf.search("workflow/domain");
jobBag.list = filter?domainWf.calculateJobs(agent, true):domainWf.calculateAllJobs(agent, true);
Logger.msg(1, "TraceableEntity::queryLifeCycle("+mSystemKey+") - Returning "+jobBag.list.size()+" jobs.");
return CastorXMLUtility.marshall( jobBag );
}
catch( Throwable ex )
{
Logger.error(ex);
return "<ERROR/>";
}
}
}
/**************************************************************************
* The description for operation getData.
*
* @param path - the path to the object required
* the suffix 'all' retrieves a listing of all keys on that level
*
* @return The result string in xml format
* except 'all' which returns a comma sep list
*
* @exception ObjectNotFoundException
* ************************************************************************/
public String queryData(String path)
throws AccessRightsException,
ObjectNotFoundException,
PersistencyException
{
synchronized (this) {
String result = "";
Logger.msg(1, "TraceableEntity::queryData("+mSystemKey+") - " + path );
try
{ // check for cluster contents query
if (path.endsWith("/all"))
{
int allPos = path.lastIndexOf("all");
String query = path.substring(0,allPos);
String[] ids = mStorage.getClusterContents( mSystemKey, query );
for( int i=0; i<ids.length; i++ )
{
result += ids[i];
if( i != ids.length-1 )
result += ",";
}
}
//****************************************************************
else
{ // retrieve the object instead
C2KLocalObject obj = mStorage.get( mSystemKey, path, null );
// marshall it, or in the case of an outcome get the data.
result = CastorXMLUtility.marshall(obj);
}
}
catch (ObjectNotFoundException ex) {
throw ex;
}
catch(Throwable ex)
{
Logger.warning("TraceableEntity::queryData("+mSystemKey+") - "+
path + " Failed: "+ex.getClass().getName());
throw new PersistencyException("Server exception: "+ex.getClass().getName(), "");
}
if( Logger.doLog(9) )
Logger.msg(9, "TraceableEntity::queryData("+mSystemKey+") - result:" + result );
return result;
}
}
/**
*
*/
protected void finalize() throws Throwable {
Logger.msg(7, "Item "+mSystemKey+" reaped");
Gateway.getStorage().clearCache(mSystemKey, null);
super.finalize();
}
}
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