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- Changing the implementation-guardian to work with the policy-guardianException module

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- Adding the policy-guardianException module: The guardian member is implemented as policies

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@831060 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
dougsleite 2009-10-29 18:45:38 +00:00
parent a1a3fca873
commit c4800a6c1b
33 changed files with 1056 additions and 175 deletions
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6
sandbox/dougsleite/implementation-guardian/pom.xml
View file

@ -37,6 +37,12 @@
<dependencies>
<dependency>
<groupId>org.apache.tuscany.sca</groupId>
<artifactId>tuscany-policy-guardianExceptionHandling</artifactId>
<version>1.6-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca</groupId>
<artifactId>tuscany-host-embedded</artifactId>

2
sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/GuardianMember.java
View file

@ -29,8 +29,6 @@ public interface GuardianMember extends GuardianPrimitives {
public String getParticipantIdentifier();
public void setUniqueParticipantID(int id);
public int getParticipantState();
public void setParticipantState(int state);

2
sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/GuardianPrimitives.java
View file

@ -29,7 +29,7 @@ public interface GuardianPrimitives {
//Methods to manage contexts
public void enableContext(Context context);
public void removeContext();
public Context removeContext();
//Methods to control the signaling of exceptions
public void gthrow(GlobalExceptionInterface ex, List<String> participantList);

1
sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/common/Context.java
View file

@ -26,7 +26,6 @@ public class Context {
public static Context CURRENT_CONTEXT = new Context("CURRENT_CONTEXT");
public static Context INIT_CONTEXT = new Context("INIT_CONTEXT");
public static Context GUARDIAN_CONTEXT = new Context("GUARDIAN_CONTEXT");
private String name;
private List<Class<? extends GlobalException>> exceptionList;

6
sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/impl/GuardianGroupImpl.java
View file

@ -102,18 +102,18 @@ public class GuardianGroupImpl implements GuardianGroup {
public void addGuardianMember(GuardianMember guardianMember) {
guardianList.add(guardianMember);
guardianMember.setUniqueParticipantID(guardianList.size() - 1);
//guardianMember.setUniqueParticipantID(guardianList.size() - 1);
}
public boolean removeGuardianMember(GuardianMember guardianMember) {
throw new UnsupportedOperationException("Not supported yet.");
return guardianList.remove(guardianMember);
}
public void enableContext(Context context) {
throw new UnsupportedOperationException("Not supported yet.");
}
public void removeContext() {
public Context removeContext() {
throw new UnsupportedOperationException("Not supported yet.");
}

6
sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/provider/GuardianGroupInvoker.java
View file

@ -48,7 +48,8 @@ public class GuardianGroupInvoker implements Invoker {
@Override
public Message invoke(Message msg) {
GuardianMember guardianMember = (GuardianMember) ((Object[]) msg.getBody())[0];
//GuardianMember guardianMember = (GuardianMember) ((Object[]) msg.getBody())[0];
GuardianMember guardianMember = (GuardianMember) msg.getBody();
this.guardian.addGuardianMember(guardianMember);
return msg;
@ -65,7 +66,8 @@ public class GuardianGroupInvoker implements Invoker {
@Override
public Message invoke(Message msg) {
GuardianMember guardianMember = (GuardianMember) ((Object[]) msg.getBody())[0];
GuardianMember guardianMember = (GuardianMember) msg.getBody();
boolean returnedValue = this.guardian.removeGuardianMember(guardianMember);
msg.setBody(returnedValue);

28
sandbox/dougsleite/implementation-guardian/src/main/resources/org/apache/tuscany/sca/implementation/guardian/itests/primaryBackup/concurrentExceptions/primaryBackup.composite
View file

@ -25,48 +25,28 @@
<component name="Participant1">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.itests.primaryBackup.common.NodeImpl"/>
<reference name="guardian_member" target="GuardianMember1"/>
<reference name="guardian" target="GuardianComponent" requires="tuscany:guardianExceptionHandling"/>
<reference name="nodes" target="Participant2 Participant3 Participant4"/>
</component>
<component name="Participant2">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.itests.primaryBackup.common.NodeImpl"/>
<reference name="guardian_member" target="GuardianMember2"/>
<reference name="guardian" target="GuardianComponent" requires="tuscany:guardianExceptionHandling"/>
<reference name="nodes" target="Participant1 Participant3 Participant4"/>
</component>
<component name="Participant3">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.itests.primaryBackup.common.NodeImpl"/>
<reference name="guardian_member" target="GuardianMember3"/>
<reference name="guardian" target="GuardianComponent" requires="tuscany:guardianExceptionHandling"/>
<reference name="nodes" target="Participant1 Participant2 Participant4"/>
</component>
<component name="Participant4">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.itests.primaryBackup.common.NodeImpl"/>
<reference name="guardian_member" target="GuardianMember4"/>
<reference name="guardian" target="GuardianComponent" requires="tuscany:guardianExceptionHandling"/>
<reference name="nodes" target="Participant1 Participant2 Participant3"/>
</component>
<component name="GuardianMember1">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.impl.GuardianMemberImpl"/>
<reference name="guardian_group" target="GuardianComponent"/>
</component>
<component name="GuardianMember2">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.impl.GuardianMemberImpl"/>
<reference name="guardian_group" target="GuardianComponent"/>
</component>
<component name="GuardianMember3">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.impl.GuardianMemberImpl"/>
<reference name="guardian_group" target="GuardianComponent"/>
</component>
<component name="GuardianMember4">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.impl.GuardianMemberImpl"/>
<reference name="guardian_group" target="GuardianComponent"/>
</component>
<component name="GuardianComponent">
<tuscany:implementation.guardian>

18
sandbox/dougsleite/implementation-guardian/src/main/resources/org/apache/tuscany/sca/implementation/guardian/itests/primaryBackup/simple/primaryBackup.composite
View file

@ -23,27 +23,17 @@
name="guardianTest">
<component name="Participant1">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.itests.primaryBackup.common.NodeImpl"/>
<reference name="guardian_member" target="GuardianMember1"/>
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.itests.primaryBackup.common.NodeImpl"/>
<reference name="guardian" target="GuardianComponent" requires="tuscany:guardianExceptionHandling"/>
<reference name="nodes" target="Participant2"/>
</component>
<component name="Participant2">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.itests.primaryBackup.common.NodeImpl"/>
<reference name="guardian_member" target="GuardianMember2"/>
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.itests.primaryBackup.common.NodeImpl"/>
<reference name="guardian" target="GuardianComponent" requires="tuscany:guardianExceptionHandling"/>
<reference name="nodes" target="Participant1"/>
</component>
<component name="GuardianMember1">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.impl.GuardianMemberImpl"/>
<reference name="guardian_group" target="GuardianComponent"/>
</component>
<component name="GuardianMember2">
<implementation.java class="org.apache.tuscany.sca.implementation.guardian.impl.GuardianMemberImpl"/>
<reference name="guardian_group" target="GuardianComponent"/>
</component>
<component name="GuardianComponent">
<tuscany:implementation.guardian>

28
sandbox/dougsleite/implementation-guardian/src/test/java/definitions.xml Normal file
View file

@ -0,0 +1,28 @@
<?xml version="1.0" encoding="ASCII"?>
<!--
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
-->
<definitions xmlns="http://www.osoa.org/xmlns/sca/1.0" targetNamespace="http://tuscany.apache.org/xmlns/sca/1.0"
xmlns:sca="http://www.osoa.org/xmlns/sca/1.0" xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.0"
xmlns:calc="http://calculator">
<!-- PolicySets -->
<policySet name="GuardianExceptionHandlingPolicy" provides="tuscany:guardianExceptionHandling" appliesTo="sca:implementation.java/sca:reference"
xmlns="http://www.osoa.org/xmlns/sca/1.0"/>
</definitions>

77
sandbox/dougsleite/implementation-guardian/src/test/java/org/apache/tuscany/sca/implementation/guardian/GuardianImplementationTest.java
View file

@ -1,77 +0,0 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.implementation.guardian;
import org.apache.tuscany.sca.implementation.guardian.*;
import org.apache.tuscany.sca.host.embedded.SCADomain;
import org.apache.tuscany.sca.implementation.guardian.common.Context;
import org.apache.tuscany.sca.implementation.guardian.common.GlobalException;
import org.apache.tuscany.sca.implementation.guardian.impl.GuardianMemberImpl;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class GuardianImplementationTest {
// private SCADomain scaDomain;
// private GuardianGroup guardian;
//
// @Before
// public void init() throws Exception {
// scaDomain = SCADomain.newInstance("org/apache/tuscany/sca/implementation/guardian/guardianTest.composite");
// guardian = scaDomain.getService(GuardianGroup.class, "GuardianComponent");
// }
//
// @Test
// public void enabelContextTest() throws Exception {
// guardian.enableContext(Context.INIT_CONTEXT);
// }
//
// @After
// public void destroy() {
// scaDomain.close();
// }
public static void main(String... args) {
SCADomain scaDomain = SCADomain.newInstance("org/apache/tuscany/sca/implementation/guardian/guardianTest.composite");
GuardianGroup guardian = scaDomain.getService(GuardianGroup.class, "GuardianComponent");
System.out.println("\n#EnableContext invocation");
guardian.enableContext(Context.INIT_CONTEXT);
System.out.println("\n#RemoveContext invocation");
guardian.removeContext();
System.out.println("\n#CheckExceptionStatus invocation");
guardian.checkExceptionStatus();
System.out.println("\n#CheckExceptionStatus invocation");
boolean value = guardian.propagate(new GlobalException());
System.out.println("returned value: " + value);
System.out.println("\n#AddGuardianMember invocation");
guardian.addGuardianMember(new GuardianMemberImpl());
System.out.println("\n#RemoveGuardianMember invocation");
value = guardian.removeGuardianMember(new GuardianMemberImpl());
System.out.println("returned value: " + value);
}
}

2
sandbox/dougsleite/implementation-guardian/src/test/java/org/apache/tuscany/sca/implementation/guardian/itests/primaryBackup/common/Node.java
View file

@ -34,4 +34,6 @@ public interface Node {
public void kill();
public boolean isDead();
public void setID(String pID);
}

43
sandbox/dougsleite/implementation-guardian/src/test/java/org/apache/tuscany/sca/implementation/guardian/itests/primaryBackup/common/NodeImpl.java
View file

@ -23,6 +23,7 @@ import java.util.List;
import java.util.Queue;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.tuscany.sca.implementation.guardian.GuardianGroup;
import org.apache.tuscany.sca.implementation.guardian.GuardianMember;
import org.apache.tuscany.sca.implementation.guardian.common.Context;
import org.osoa.sca.annotations.Init;
@ -42,8 +43,8 @@ public class NodeImpl implements Node, TestInterface {
private int role;
private String pID;
private Queue<String> updates;
@Reference(name = "guardian_member", required = true)
public GuardianMember gm;
@Reference(name = "guardian", required = true)
public GuardianGroup guardianGroup;
@Reference(name = "nodes", required = true)
public List<Node> nodeList;
private boolean forcePSFException;
@ -73,15 +74,14 @@ public class NodeImpl implements Node, TestInterface {
forceAUFException = false;
}
@Init
public void init() {
pID = gm.getParticipantIdentifier();
public void setID(String pID) {
this.pID = pID;
}
@OneWay
public void execute() {
isDead = false;
gm.enableContext(mainContext);
guardianGroup.enableContext(mainContext);
role = PRIMARY;
while (true) {
@ -92,7 +92,7 @@ public class NodeImpl implements Node, TestInterface {
System.out.println(pID + "#Main context: ");
sleep(pID + "#Sleeping at main context...", 4000);
gm.checkExceptionStatus();
guardianGroup.checkExceptionStatus();
if (role == PRIMARY) {
//Config as primary then...
@ -109,12 +109,13 @@ public class NodeImpl implements Node, TestInterface {
} catch (PrimaryFailedException ex) {
System.out.println(pID + "# Exception captured!: PrimaryFailedException");
System.out.println(pID + "#Needs propagation?: " + gm.propagate(ex));
System.out.println(pID + "#Needs propagation?: " + guardianGroup.propagate(ex));
if (gm.propagate(ex)) {
if (guardianGroup.propagate(ex)) {
//throw ex;
this.kill();
ex.printStackTrace();
guardianGroup.removeContext();
return;
}
@ -122,12 +123,14 @@ public class NodeImpl implements Node, TestInterface {
} catch (BackupFailedException ex) {
System.out.println(pID + "# Exception captured!: BackupFailedException");
System.out.println(pID + "#Needs propagation?: " + gm.propagate(ex));
System.out.println(pID + "#Needs propagation?: " + guardianGroup.propagate(ex));
if (gm.propagate(ex)) {
if (guardianGroup.propagate(ex)) {
//throw ex;
this.kill();
ex.printStackTrace();
guardianGroup.removeContext();
return;
}
}
@ -141,14 +144,14 @@ public class NodeImpl implements Node, TestInterface {
while (true) {
gm.enableContext(primaryContext);
guardianGroup.enableContext(primaryContext);
//blockingCheck();
try {
System.out.println(pID + "#Primary context: ");
sleep(pID + "#Sleeping at primary context...", 4000);
gm.checkExceptionStatus();
guardianGroup.checkExceptionStatus();
//Process the request then...
System.out.println(pID + "#Processing the request...");
@ -173,7 +176,7 @@ public class NodeImpl implements Node, TestInterface {
} catch (PrimaryServiceFailureException ex) {
System.out.println(pID + "# Exception captured!: PrimaryServiceFailureException");
gm.gthrow(new PrimaryFailedException(), null);
guardianGroup.gthrow(new PrimaryFailedException(), null);
} catch (BackupFailedException ex) {
System.out.println(pID + "# Exception captured!: BackupFailedException");
//backupAvailable = false;
@ -182,7 +185,7 @@ public class NodeImpl implements Node, TestInterface {
System.out.println(pID + "# Exception captured!: BackupJoinedException");
backupAvailable = true;
} finally {
gm.removeContext();
guardianGroup.removeContext();
}
}
}
@ -206,14 +209,14 @@ public class NodeImpl implements Node, TestInterface {
private void backupService() {
while (true) {
gm.enableContext(backupContext);
guardianGroup.enableContext(backupContext);
//blockingCheck();
try {
System.out.println(pID + "#Backup context: ");
sleep(pID + "#Sleeping at backup service", 4000);
gm.checkExceptionStatus();
guardianGroup.checkExceptionStatus();
applyUpdate();
@ -223,15 +226,15 @@ public class NodeImpl implements Node, TestInterface {
} catch (ApplyUpdateFailureException ex) {
System.out.println(pID + "# Exception captured!: ApplyUpdateFailureException");
gm.gthrow(new BackupFailedException(), null);
guardianGroup.gthrow(new BackupFailedException(), null);
} finally {
gm.removeContext();
guardianGroup.removeContext();
}
}
}
public String getID() {
return gm.getParticipantIdentifier();
return this.pID;
}
private void sleep(String msg, int millis) {

4
sandbox/dougsleite/implementation-guardian/src/test/java/org/apache/tuscany/sca/implementation/guardian/itests/primaryBackup/concurrentExceptions/Launch.java
View file

@ -32,24 +32,28 @@ public class Launch {
System.out.println("Starting participat1...");
Node c = scaDomain.getService(Node.class, "Participant1");
c.setID("Participant1");
c.execute();
System.in.read();
System.out.println("Starting participant2...");
Node c2 = scaDomain.getService(Node.class, "Participant2");
c2.setID("Participant2");
c2.execute();
System.in.read();
System.out.println("Starting participant3...");
Node c3 = scaDomain.getService(Node.class, "Participant3");
c3.setID("Participant3");
c3.execute();
System.in.read();
System.out.println("Starting participant4...");
Node c4 = scaDomain.getService(Node.class, "Participant4");
c4.setID("Participant4");
c4.execute();
System.in.read();

2
sandbox/dougsleite/implementation-guardian/src/test/java/org/apache/tuscany/sca/implementation/guardian/itests/primaryBackup/simple/Launch.java
View file

@ -32,12 +32,14 @@ public class Launch {
System.out.println("Starting participat1...");
Node c = scaDomain.getService(Node.class, "Participant1");
c.setID("Participant1");
c.execute();
System.in.read();
System.out.println("Starting participant2...");
Node c2 = scaDomain.getService(Node.class, "Participant2");
c2.setID("Participant2");
c2.execute();
System.in.read();

2
sandbox/dougsleite/implementation-guardian/src/test/java/org/apache/tuscany/sca/implementation/guardian/itests/primaryBackup/simple/Launch2.java
View file

@ -32,12 +32,14 @@ public class Launch2 {
System.out.println("Starting participat1...");
Node c = scaDomain.getService(Node.class, "Participant1");
c.setID("Participant1");
c.execute();
System.in.read();
System.out.println("Starting participant2...");
Node c2 = scaDomain.getService(Node.class, "Participant2");
c2.setID("Participant2");
c2.execute();
System.in.read();

10
sandbox/dougsleite/policy-guardianExceptionHandling/.classpath Normal file
View file

@ -0,0 +1,10 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="target/classes" path="src/main/java"/>
<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources"/>
<classpathentry kind="src" output="target/test-classes" path="src/test/java"/>
<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
<classpathentry kind="output" path="target/classes"/>
</classpath>

23
sandbox/dougsleite/policy-guardianExceptionHandling/.project Normal file
View file

@ -0,0 +1,23 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>tuscany-policy-guardianExceptionHandling</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.maven.ide.eclipse.maven2Builder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
<nature>org.maven.ide.eclipse.maven2Nature</nature>
</natures>
</projectDescription>

5
sandbox/dougsleite/policy-guardianExceptionHandling/.settings/org.eclipse.jdt.core.prefs Normal file
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@ -0,0 +1,5 @@
#Tue Oct 27 11:15:30 BRST 2009
eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.5
org.eclipse.jdt.core.compiler.compliance=1.5
org.eclipse.jdt.core.compiler.source=1.5

9
sandbox/dougsleite/policy-guardianExceptionHandling/.settings/org.maven.ide.eclipse.prefs Normal file
View file

@ -0,0 +1,9 @@
#Tue Oct 27 11:15:01 BRST 2009
activeProfiles=
eclipse.preferences.version=1
fullBuildGoals=process-test-resources
includeModules=false
resolveWorkspaceProjects=true
resourceFilterGoals=process-resources resources\:testResources
skipCompilerPlugin=true
version=1

205
sandbox/dougsleite/policy-guardianExceptionHandling/LICENSE Normal file
View file

@ -0,0 +1,205 @@
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http://www.apache.org/licenses/
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(a) You must give any other recipients of the Work or
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6
sandbox/dougsleite/policy-guardianExceptionHandling/NOTICE Normal file
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@ -0,0 +1,6 @@
${pom.name}
Copyright (c) 2005 - 2008 The Apache Software Foundation
This product includes software developed by
The Apache Software Foundation (http://www.apache.org/).

100
sandbox/dougsleite/policy-guardianExceptionHandling/pom.xml Normal file
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@ -0,0 +1,100 @@
<?xml version="1.0" encoding="UTF-8"?>
<!--
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
-->
<project>
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.tuscany.sca</groupId>
<artifactId>tuscany-modules</artifactId>
<version>1.6-SNAPSHOT</version>
<relativePath>../pom.xml</relativePath>
</parent>
<artifactId>tuscany-policy-guardianExceptionHandling</artifactId>
<name>Apache Tuscany SCA Guardian Exception Handling Policy Model</name>
<dependencies>
<dependency>
<groupId>org.apache.tuscany.sca</groupId>
<artifactId>tuscany-contribution</artifactId>
<version>1.6-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca</groupId>
<artifactId>tuscany-assembly-xml</artifactId>
<version>1.6-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca</groupId>
<artifactId>tuscany-policy</artifactId>
<version>1.6-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca</groupId>
<artifactId>tuscany-contribution-impl</artifactId>
<version>1.6-SNAPSHOT</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca</groupId>
<artifactId>tuscany-host-embedded</artifactId>
<version>1.6-SNAPSHOT</version>
<scope>test</scope>
<type>jar</type>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca</groupId>
<artifactId>tuscany-implementation-guardian</artifactId>
<version>1.6-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca</groupId>
<artifactId>tuscany-implementation-java</artifactId>
<version>1.6-SNAPSHOT</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<configuration>
<instructions>
<Bundle-Version>${tuscany.version}</Bundle-Version>
<Bundle-SymbolicName>org.apache.tuscany.sca.policy.guardianExceptionHandling</Bundle-SymbolicName>
<Bundle-Description>${pom.name}</Bundle-Description>
<Export-Package>org.apache.tuscany.sca.policy.guardianExceptionHandling*</Export-Package>
</instructions>
</configuration>
</plugin>
</plugins>
</build>
</project>

59
sandbox/dougsleite/policy-guardianExceptionHandling/src/main/java/org/apache/tuscany/sca/policy/guardianExceptionHandling/GuardianExceptionHandlingImplementationPolicyProvider.java Normal file
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@ -0,0 +1,59 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.policy.guardianExceptionHandling;
import org.apache.tuscany.sca.invocation.MessageFactory;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Phase;
import org.apache.tuscany.sca.provider.PolicyProvider;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
public class GuardianExceptionHandlingImplementationPolicyProvider implements PolicyProvider {
private MessageFactory messageFactory;
private RuntimeComponent component;
private RuntimeComponentService service;
private Binding binding;
public GuardianExceptionHandlingImplementationPolicyProvider(ExtensionPointRegistry extensionPoints,
RuntimeComponent component,
RuntimeComponentService service,
Binding binding) {
ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class);
messageFactory = modelFactories.getFactory(MessageFactory.class);
this.component = component;
this.service = service;
this.binding = binding;
}
public Interceptor createInterceptor(Operation operation) {
return new GuardianExceptionHandlingPolicyInterceptor(service, service.getRuntimeWire(binding));
}
public String getPhase() {
return Phase.IMPLEMENTATION_POLICY;
}
}

38
sandbox/dougsleite/policy-guardianExceptionHandling/src/main/java/org/apache/tuscany/sca/policy/guardianExceptionHandling/GuardianExceptionHandlingPolicy.java Normal file
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@ -0,0 +1,38 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.policy.guardianExceptionHandling;
import javax.xml.namespace.QName;
import org.apache.tuscany.sca.policy.Policy;
public class GuardianExceptionHandlingPolicy implements Policy {
public QName getSchemaName() {
return null;
}
public boolean isUnresolved() {
return false;
}
public void setUnresolved(boolean unresolved) {
}
}

61
sandbox/dougsleite/policy-guardianExceptionHandling/src/main/java/org/apache/tuscany/sca/policy/guardianExceptionHandling/GuardianExceptionHandlingPolicyDefinitionsProvider.java Normal file
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@ -0,0 +1,61 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.policy.guardianExceptionHandling;
import java.net.URI;
import java.net.URL;
import java.security.AccessController;
import java.security.PrivilegedAction;
import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.definitions.SCADefinitions;
import org.apache.tuscany.sca.provider.SCADefinitionsProvider;
import org.apache.tuscany.sca.provider.SCADefinitionsProviderException;
public class GuardianExceptionHandlingPolicyDefinitionsProvider implements SCADefinitionsProvider {
private String definitionsFile = "org/apache/tuscany/sca/policy/guardianExceptionHandling/definitions.xml";
URLArtifactProcessor urlArtifactProcessor = null;
public GuardianExceptionHandlingPolicyDefinitionsProvider(ExtensionPointRegistry registry) {
URLArtifactProcessorExtensionPoint documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
urlArtifactProcessor = (URLArtifactProcessor)documentProcessors.getProcessor(SCADefinitions.class);
}
public SCADefinitions getSCADefinition() throws SCADefinitionsProviderException {
// Allow privileged access to load resource. Requires RuntimePermssion in security policy.
URL definitionsFileUrl = AccessController.doPrivileged(new PrivilegedAction<URL>() {
public URL run() {
return getClass().getClassLoader().getResource(definitionsFile);
}
});
try {
URI uri = new URI(definitionsFile);
return (SCADefinitions)urlArtifactProcessor.read(null,
uri,
definitionsFileUrl);
} catch ( Exception e ) {
throw new SCADefinitionsProviderException(e);
}
}
}

172
sandbox/dougsleite/policy-guardianExceptionHandling/src/main/java/org/apache/tuscany/sca/policy/guardianExceptionHandling/GuardianExceptionHandlingPolicyInterceptor.java Normal file
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@ -0,0 +1,172 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.policy.guardianExceptionHandling;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.tuscany.sca.implementation.guardian.common.Context;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.provider.ImplementationProvider;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeWire;
import org.apache.tuscany.sca.invocation.MessageFactory;
import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.implementation.guardian.GuardianMember;
import org.apache.tuscany.sca.implementation.guardian.common.GlobalException;
import org.apache.tuscany.sca.implementation.guardian.common.GlobalExceptionInterface;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
public class GuardianExceptionHandlingPolicyInterceptor implements Interceptor {
public static final String ENABLE_CONTEXT = "enableContext";
public static final String REMOVE_CONTEXT = "removeContext";
public static final String GTHROW = "gthrow";
public static final String PROPAGATE = "propagate";
public static final String CHECK_EXCEPTION_STATUS = "checkExceptionStatus";
private Invoker next;
private RuntimeWire runtimeWire;
private RuntimeComponentService service;
public GuardianExceptionHandlingPolicyInterceptor(RuntimeComponentService service, RuntimeWire runtimeWire) {
super();
this.runtimeWire = runtimeWire;
this.service = service;
}
//IMPLEMENTAR A LOGICA ENTRE {P <-> GM <-> GG}
public Message invoke(Message msg) {
Class targetComponentImplClass = msg.getTo().getComponent().getImplementation().getClass();
String implementationGuardian = "org.apache.tuscany.sca.implementation.guardian.impl.GuardianGroupImplementationImpl";
Message responseMsg = null;
// //Test the target component - must be a implemenation.guardian
// try {
// if (!targetComponentImplClass.equals(Class.forName(implementationJava))) {
// throw new InvalidPolicyAssociationException("The target component must be a implementation.guardian");
// }
// } catch (ClassNotFoundException ex) {
// Logger.getLogger(GuardianExceptionHandlingPolicyInterceptor.class.getName()).log(Level.SEVERE, null, ex);
// }
try {
if (targetComponentImplClass.equals(Class.forName(implementationGuardian))) {
String msgOperationName = msg.getOperation().getName();
String componentName = msg.getFrom().getComponent().getName();
GuardianMemberFactoryImpl factory = GuardianMemberFactoryImpl.getInstance();
GuardianMember gm = factory.createGuardianMember(componentName, msg, this);
Object msgBody = msg.getBody();
if (msgOperationName.equals(ENABLE_CONTEXT)) {
Context context = (Context)((Object[]) msg.getBody())[0];
gm.enableContext(context);
msg.setBody(null);
return msg;
} else if (msgOperationName.equals(REMOVE_CONTEXT)) {
Context removedContext = gm.removeContext();
msg.setBody(removedContext);
//All the contexts were removed
if(gm.getCurrentContext().equals(Context.INIT_CONTEXT)) {
factory.removeGuardianMember(componentName, msg, this);
}
return msg;
} else if (msgOperationName.equals(GTHROW)) {
GlobalExceptionInterface ex = (GlobalExceptionInterface) ((Object[]) msgBody)[0];
List<String> participantList = (List<String>) ((Object[]) msgBody)[1];
gm.gthrow(ex, participantList);
msg.setBody(null);
return msg;
} else if (msgOperationName.equals(PROPAGATE)) {
GlobalExceptionInterface ex = (GlobalExceptionInterface) ((Object[]) msgBody)[0];
boolean response = gm.propagate(ex);
msg.setBody(response);
return msg;
} else if (msgOperationName.equals(CHECK_EXCEPTION_STATUS)) {
try {
gm.checkExceptionStatus();
msg.setBody(null);
} catch (GlobalException ex) {
msg.setFaultBody(ex);
}
return msg;
}
} else {
//throw new UnsupportedOperationException("Invocation of " + msgOperationName + " is not allowed");
responseMsg = getNext().invoke(msg);
}
} catch (ClassNotFoundException ex) {
Logger.getLogger(GuardianExceptionHandlingPolicyInterceptor.class.getName()).log(Level.SEVERE, null, ex);
}
return responseMsg;
}
public Message invokeGuardianGroupOperation(String operationName, Message msg) {
//Changing the operation
Operation desiredOperation = findOperation(operationName);
msg.setOperation(desiredOperation);
RuntimeComponent component = msg.getTo().getComponent();
ImplementationProvider implProvider = component.getImplementationProvider();
Message responseMsg = implProvider.createInvoker(this.service, desiredOperation).invoke(msg);
return responseMsg;
}
private Operation findOperation(String method) {
if (method.contains(".")) {
method = method.substring(method.lastIndexOf(".") + 1);
}
List<Operation> operations = runtimeWire.getTarget().getInterfaceContract().getInterface().getOperations();
Operation result = null;
for (Operation o : operations) {
if (o.getName().equalsIgnoreCase(method)) {
result = o;
break;
}
}
return result;
}
public Invoker getNext() {
return next;
}
public void setNext(Invoker next) {
this.next = next;
}
}

58
sandbox/dougsleite/policy-guardianExceptionHandling/src/main/java/org/apache/tuscany/sca/policy/guardianExceptionHandling/GuardianExceptionHandlingPolicyProviderFactory.java Normal file
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@ -0,0 +1,58 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.policy.guardianExceptionHandling;
import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.assembly.Implementation;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.provider.PolicyProvider;
import org.apache.tuscany.sca.provider.PolicyProviderFactory;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
public class GuardianExceptionHandlingPolicyProviderFactory implements PolicyProviderFactory<GuardianExceptionHandlingPolicy> {
private ExtensionPointRegistry extensionPoints;
public GuardianExceptionHandlingPolicyProviderFactory(ExtensionPointRegistry registry) {
super();
this.extensionPoints = registry;
}
public PolicyProvider createImplementationPolicyProvider(RuntimeComponent component, Implementation implementation) {
return null;
}
public PolicyProvider createReferencePolicyProvider(RuntimeComponent component,
RuntimeComponentReference reference,
Binding binding) {
return null;
}
public PolicyProvider createServicePolicyProvider(RuntimeComponent component,
RuntimeComponentService service,
Binding binding) {
return new GuardianExceptionHandlingImplementationPolicyProvider(extensionPoints, component, service, binding);
}
public Class getModelType() {
return null;
}
}

80
sandbox/dougsleite/policy-guardianExceptionHandling/src/main/java/org/apache/tuscany/sca/policy/guardianExceptionHandling/GuardianMemberFactoryImpl.java Normal file
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@ -0,0 +1,80 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.policy.guardianExceptionHandling;
import java.util.HashMap;
import java.util.Map;
import org.apache.tuscany.sca.implementation.guardian.GuardianMember;
import org.apache.tuscany.sca.invocation.Message;
public class GuardianMemberFactoryImpl {
Map<String, GuardianMember> guardianMembers;
private static GuardianMemberFactoryImpl instance = null;
public static GuardianMemberFactoryImpl getInstance() {
if (instance == null) {
instance = new GuardianMemberFactoryImpl();
}
return instance;
}
protected GuardianMemberFactoryImpl() {
guardianMembers = new HashMap<String, GuardianMember>();
}
public GuardianMember createGuardianMember(String componentName, Message msg, GuardianExceptionHandlingPolicyInterceptor interceptor) {
GuardianMemberImpl gm = (GuardianMemberImpl) guardianMembers.get(componentName);
if (gm == null) {
gm = new GuardianMemberImpl(componentName, msg, interceptor);
guardianMembers.put(componentName, gm);
//Inform the Guardian Group of the new Guardian Member
Object msgBody = msg.getBody();
msg.setBody(gm);
interceptor.invokeGuardianGroupOperation("addGuardianMember", msg);
msg.setBody(msgBody);
}
gm.setMessage(msg);
gm.setGuardianExceptionHandlingPolicyInterceptor(interceptor);
return gm;
}
public GuardianMember removeGuardianMember(String componentName, Message msg, GuardianExceptionHandlingPolicyInterceptor interceptor) {
GuardianMember gm = guardianMembers.remove(componentName);
if (gm != null) {
Object msgBody = msg.getBody();
msg.setBody(gm);
interceptor.invokeGuardianGroupOperation("removeGuardianMember", msg);
msg.setBody(msgBody);
}
return gm;
}
}

71
sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/impl/GuardianMemberImpl.java → sandbox/dougsleite/policy-guardianExceptionHandling/src/main/java/org/apache/tuscany/sca/policy/guardianExceptionHandling/GuardianMemberImpl.java
View file

@ -16,7 +16,7 @@
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.implementation.guardian.impl;
package org.apache.tuscany.sca.policy.guardianExceptionHandling;
import java.util.LinkedList;
import java.util.List;
@ -31,42 +31,46 @@ import org.apache.tuscany.sca.implementation.guardian.common.Context;
import org.apache.tuscany.sca.implementation.guardian.common.GlobalException;
import org.apache.tuscany.sca.implementation.guardian.common.JoinException;
import org.apache.tuscany.sca.implementation.guardian.common.SuspendException;
import org.osoa.sca.annotations.Destroy;
import org.osoa.sca.annotations.Init;
import org.osoa.sca.annotations.Reference;
import org.osoa.sca.annotations.Scope;
import org.osoa.sca.annotations.Service;
import org.apache.tuscany.sca.invocation.Message;
@Service(GuardianMember.class)
@Scope("COMPOSITE")
public class GuardianMemberImpl implements GuardianMember {
private int participantState;
private Stack<Context> contextList;
private Queue<GlobalException> exceptionQueue;
@Reference(name = "guardian_group", required = true)
public GuardianGroup guardianGroup;
private int id;
private String id;
//FIXME: Review the usage of this variable
private boolean exceptionThrown;
private Message msg;
private GuardianExceptionHandlingPolicyInterceptor interceptor;
public GuardianMemberImpl() {
protected GuardianMemberImpl(String componentName, Message msg, GuardianExceptionHandlingPolicyInterceptor interceptor) {
contextList = new Stack<Context>();
contextList.add(Context.INIT_CONTEXT);
exceptionQueue = new LinkedList<GlobalException>();
participantState = GuardianGroup.NORMAL_PARTICIPANT_STATE;
exceptionThrown = false;
this.id = componentName;
this.msg = msg;
this.interceptor = interceptor;
}
@Init
public void init() {
guardianGroup.addGuardianMember(this);
public void setGuardianExceptionHandlingPolicyInterceptor(GuardianExceptionHandlingPolicyInterceptor interceptor) {
this.interceptor = interceptor;
}
@Destroy
public void destroy() {
guardianGroup.removeGuardianMember(this);
public GuardianExceptionHandlingPolicyInterceptor getGuardianExceptionHandlingPolicyInterceptor() {
return this.interceptor;
}
public void setMessage(Message msg) {
this.msg = msg;
}
public Message getMessage() {
return this.msg;
}
public void addException(GlobalException ex) {
@ -76,25 +80,28 @@ public class GuardianMemberImpl implements GuardianMember {
public Context getCurrentContext() {
return contextList.peek();
}
public void enableContext(Context context) {
//Update the context list with the related set of exceptions
contextList.push(context);
if (contextList.size() == 2) {
if (contextList.size() == 1) {
contextList.push(context);
JoinException ex = new JoinException();
ex.setSignalingContext(context);
ex.putSignalingParticipant(getParticipantIdentifier());
gthrow(ex, null);
} else {
contextList.push(context);
}
}
public void removeContext() {
if (!contextList.isEmpty()) {
contextList.pop();
}
public Context removeContext() {
// if (contextList.size() > 1) {
// return contextList.pop();
// }
return contextList.pop();
}
//If participantList is null then signal to ALL participants
@ -106,7 +113,13 @@ public class GuardianMemberImpl implements GuardianMember {
ex.setSignalingContext(getCurrentContext());
ex.putSignalingParticipant(getParticipantIdentifier());
guardianGroup.gthrow(ex, participantList);
//Prepare the parameters
Object[] params = {ex, participantList};
msg.setBody(params);
interceptor.invokeGuardianGroupOperation("gthrow", msg);
//guardianGroup.gthrow(ex, participantList);
exceptionThrown = true;
} else {
setParticipantState(GuardianGroup.SUSPENDED_PARTICIPANT_STATE);
@ -163,10 +176,6 @@ public class GuardianMemberImpl implements GuardianMember {
return participantIdentifier.toString();
}
public void setUniqueParticipantID(int id) {
this.id = id;
}
public int getParticipantState() {
return participantState;
}

38
sandbox/dougsleite/policy-guardianExceptionHandling/src/main/java/org/apache/tuscany/sca/policy/guardianExceptionHandling/InvalidPolicyAssociationException.java Normal file
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@ -0,0 +1,38 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.policy.guardianExceptionHandling;
public class InvalidPolicyAssociationException extends RuntimeException {
public InvalidPolicyAssociationException() {
super();
}
public InvalidPolicyAssociationException(String message) {
super(message);
}
public InvalidPolicyAssociationException(String message, Throwable cause) {
super(message, cause);
}
public InvalidPolicyAssociationException(Throwable cause) {
super(cause);
}
}

19
sandbox/dougsleite/policy-guardianExceptionHandling/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.PolicyProviderFactory Normal file
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@ -0,0 +1,19 @@
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# Implementation class for the policy extension
org.apache.tuscany.sca.policy.guardianExceptionHandling.GuardianExceptionHandlingPolicyProviderFactory;model=org.apache.tuscany.sca.policy.guardianExceptionHandling.GuardianExceptionHandlingPolicy

19
sandbox/dougsleite/policy-guardianExceptionHandling/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.SCADefinitionsProvider Normal file
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@ -0,0 +1,19 @@
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# Implementation class for SCA Definitions Providers
org.apache.tuscany.sca.policy.guardianExceptionHandling.GuardianExceptionHandlingPolicyDefinitionsProvider

31
sandbox/dougsleite/policy-guardianExceptionHandling/src/main/resources/org/apache/tuscany/sca/policy/guardianExceptionHandling/definitions.xml Normal file
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@ -0,0 +1,31 @@
<?xml version="1.0" encoding="ASCII"?>
<!--
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
-->
<definitions xmlns="http://www.osoa.org/xmlns/sca/1.0"
targetNamespace="http://tuscany.apache.org/xmlns/sca/1.0"
xmlns:sca="http://www.osoa.org/xmlns/sca/1.0"
xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.0">
<!-- Policy Intents Defined by the SCA Runtime -->
<intent name="guardianExceptionHandling" constrains="sca:implementation.java/sca:reference">
<description>
All messages to the guardian group implementation will be intercepted by the guardian member
</description>
</intent>
</definitions>