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* particular file as subject to the "Classpath" exception as provided
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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package org.jboss.com.sun.corba.se.impl.oa.poa;
import org.jboss.com.sun.corba.se.impl.orbutil.ORBConstants;
import org.jboss.com.sun.corba.se.impl.orbutil.ORBUtility;
import org.jboss.com.sun.corba.se.spi.extension.ServantCachingPolicy;
import org.jboss.com.sun.corba.se.spi.orb.ORB;
import org.omg.PortableServer.ForwardRequest;
import org.omg.PortableServer.Servant;
import org.omg.PortableServer.POAPackage.WrongPolicy;
/**
* Implementation of POARequesHandler that provides policy specific operations on the POA.
*/
public abstract class POAPolicyMediatorBase implements POAPolicyMediator
{
protected POAImpl poa;
protected ORB orb;
private int sysIdCounter;
private Policies policies;
private DelegateImpl delegateImpl;
private int serverid;
private int scid;
protected boolean isImplicit;
protected boolean isUnique;
protected boolean isSystemId;
public final Policies getPolicies()
{
return policies;
}
public final int getScid()
{
return scid;
}
public final int getServerId()
{
return serverid;
}
POAPolicyMediatorBase(Policies policies, POAImpl poa)
{
if (policies.isSingleThreaded())
throw poa.invocationWrapper().singleThreadNotSupported();
POAManagerImpl poam = (POAManagerImpl) (poa.the_POAManager());
POAFactory poaf = poam.getFactory();
delegateImpl = (DelegateImpl) (poaf.getDelegateImpl());
this.policies = policies;
this.poa = poa;
orb = poa.getORB();
switch (policies.servantCachingLevel())
{
case ServantCachingPolicy.NO_SERVANT_CACHING :
scid = ORBConstants.TRANSIENT_SCID;
break;
case ServantCachingPolicy.FULL_SEMANTICS :
scid = ORBConstants.SC_TRANSIENT_SCID;
break;
case ServantCachingPolicy.INFO_ONLY_SEMANTICS :
scid = ORBConstants.IISC_TRANSIENT_SCID;
break;
case ServantCachingPolicy.MINIMAL_SEMANTICS :
scid = ORBConstants.MINSC_TRANSIENT_SCID;
break;
}
if (policies.isTransient())
{
serverid = orb.getTransientServerId();
}
else
{
serverid = orb.getORBData().getPersistentServerId();
scid = ORBConstants.makePersistent(scid);
}
isImplicit = policies.isImplicitlyActivated();
isUnique = policies.isUniqueIds();
isSystemId = policies.isSystemAssignedIds();
sysIdCounter = 0;
}
public final java.lang.Object getInvocationServant(byte[] id, String operation) throws ForwardRequest
{
java.lang.Object result = internalGetServant(id, operation);
return result;
}
// Create a delegate and stick it in the servant. This delegate is needed during dispatch for the ObjectImpl._orb()
// method to work.
protected final void setDelegate(Servant servant, byte[] id)
{
// This new servant delegate no longer needs the id for its initialization.
servant._set_delegate(delegateImpl);
}
public synchronized byte[] newSystemId() throws WrongPolicy
{
if (!isSystemId)
throw new WrongPolicy();
byte[] array = new byte[8];
ORBUtility.intToBytes(++sysIdCounter, array, 0);
ORBUtility.intToBytes(poa.getPOAId(), array, 4);
return array;
}
protected abstract java.lang.Object internalGetServant(byte[] id, String operation) throws ForwardRequest;
}