001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.geronimo.corba;
018
019 import java.io.ByteArrayInputStream;
020 import java.io.ByteArrayOutputStream;
021 import java.io.IOException;
022 import java.io.ObjectInputStream;
023 import java.io.ObjectOutputStream;
024
025 import org.apache.commons.logging.Log;
026 import org.apache.commons.logging.LogFactory;
027 import org.omg.CORBA.Any;
028 import org.omg.CORBA.LocalObject;
029 import org.omg.CORBA.OBJECT_NOT_EXIST;
030 import org.omg.CORBA.ORB;
031 import org.omg.CORBA.Policy;
032 import org.omg.PortableServer.IdAssignmentPolicyValue;
033 import org.omg.PortableServer.ImplicitActivationPolicyValue;
034 import org.omg.PortableServer.LifespanPolicyValue;
035 import org.omg.PortableServer.POA;
036 import org.omg.PortableServer.RequestProcessingPolicyValue;
037 import org.omg.PortableServer.Servant;
038 import org.omg.PortableServer.ServantLocator;
039 import org.omg.PortableServer.ServantLocatorPackage.CookieHolder;
040 import org.omg.PortableServer.ServantRetentionPolicyValue;
041 import org.apache.openejb.InterfaceType;
042 import org.apache.geronimo.corba.transaction.ServerTransactionPolicyFactory;
043 import org.apache.geronimo.openejb.EjbDeployment;
044
045 /**
046 * @version $Revision: 497125 $ $Date: 2007-01-17 10:51:30 -0800 (Wed, 17 Jan 2007) $
047 */
048 public class AdapterStateful extends Adapter {
049 private final Log log = LogFactory.getLog(AdapterStateful.class);
050
051 private final POA poa;
052 private final String referenceInterface;
053 private String deploymentId;
054
055 public AdapterStateful(TSSLink tssLink, ORB orb, POA parentPOA, Policy securityPolicy) throws CORBAException {
056 super(tssLink, orb, parentPOA, securityPolicy);
057
058 deploymentId = tssLink.getContainerId();
059
060 Any any = orb.create_any();
061 any.insert_Value(tssLink.getRemoteTxPolicyConfig());
062
063 try {
064 Policy[] policies = new Policy[]{
065 securityPolicy,
066 orb.create_policy(ServerTransactionPolicyFactory.POLICY_TYPE, any),
067 homePOA.create_lifespan_policy(LifespanPolicyValue.TRANSIENT),
068 homePOA.create_request_processing_policy(RequestProcessingPolicyValue.USE_SERVANT_MANAGER),
069 homePOA.create_servant_retention_policy(ServantRetentionPolicyValue.NON_RETAIN),
070 homePOA.create_id_assignment_policy(IdAssignmentPolicyValue.USER_ID),
071 homePOA.create_implicit_activation_policy(ImplicitActivationPolicyValue.NO_IMPLICIT_ACTIVATION),
072 };
073 // make sure we create this with the appropriate ORB-specific policies.
074 policies = tssLink.addPolicyOverrides(policies);
075 poa = homePOA.create_POA(tssLink.getContainerId(), homePOA.the_POAManager(), policies);
076 poa.set_servant_manager(new ObjectActivator());
077
078 poa.the_POAManager().activate();
079
080 StandardServant servant = new StandardServant(orb, InterfaceType.EJB_OBJECT, tssLink.getDeployment());
081 referenceInterface = servant._all_interfaces(null, null)[0];
082 } catch (Exception e) {
083 throw new CORBAException("Unable to activate EJB "+ deploymentId +" as CORBA object", e);
084 }
085 }
086
087 public POA getPOA() {
088 return poa;
089 }
090
091 public void stop() throws CORBAException {
092 poa.destroy(true, true);
093 super.stop();
094 }
095
096 public org.omg.CORBA.Object genObjectReference(Object primaryKey) throws CORBAException {
097
098 byte[] bytes;
099 try {
100 ByteArrayOutputStream b = new ByteArrayOutputStream();
101 ObjectOutputStream os = new ObjectOutputStream(b);
102
103 os.writeObject(primaryKey);
104 bytes = b.toByteArray();
105
106 os.close();
107 } catch (IOException e) {
108 log.error("Could not serialize deployment info for " + deploymentId, e);
109 throw new CORBAException("Could not serialize deployment info for " + deploymentId, e);
110 }
111 return poa.create_reference_with_id(bytes, referenceInterface);
112 }
113
114 protected class ObjectActivator extends LocalObject implements ServantLocator {
115
116 public Servant preinvoke(byte[] oid, POA poa, String operation, CookieHolder cookie) {
117 // the byte array can be cached in a weak hash map for performance
118 Object pk = null;
119
120 try {
121 ObjectInputStream is = new ObjectInputStream(new ByteArrayInputStream(oid));
122 pk = is.readObject();
123 is.close();
124
125 EjbDeployment deployment = getDeployment();
126 return new StandardServant(getOrb(), InterfaceType.EJB_OBJECT, deployment, pk);
127 } catch (IOException e) {
128 // if we can't deserialize, then this object can't exist in this process
129 throw (OBJECT_NOT_EXIST)new OBJECT_NOT_EXIST(0, org.omg.CORBA.CompletionStatus.COMPLETED_NO).initCause(e);
130 } catch (Exception e) {
131 log.error("Exception during dispatch to method " + operation + " in bean " + pk, e);
132 return null;
133 }
134 }
135
136 public void postinvoke(byte[] oid, POA poa, String operation, Object cookie, Servant servant) {
137 }
138 }
139 }