- Modifying the guardian-model to deal with concurrent exceptions;

- The policy-resolutiontrees module is used to process the resolution tree - the lowest common ancestor is the resolved exception for a set of concurrent exceptions;

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@801656 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 82 insertions, 0 deletions

diff --git a/sandbox/dougsleite/guardian-model/src/main/resources/recoveryrules_nbackpus_concurrent.xml b/sandbox/dougsleite/guardian-model/src/main/resources/recoveryrules_nbackpus_concurrent.xml
new file mode 100644
index 0000000000..65c509751c
--- /dev/null
+++ b/sandbox/dougsleite/guardian-model/src/main/resources/recoveryrules_nbackpus_concurrent.xml
@@ -0,0 +1,82 @@
+<?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 (thea
+ * "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.
+-->
+
+<recovery_rules>
+
+	<!-- A new participant joins in the group -->
+	<rule name="Rule1" signaled_exception="org.apache.tuscany.sca.guardian.JoinException">
+
+		<participant match="*.PRIMARY">
+			<throw_exception class="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.BackupJoinedException" target_context="PRIMARY"/>
+		</participant>
+
+		<participant match="SIGNALER">
+			<throw_exception class="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.PrimaryExistsException" target_context="MAIN" min_participant_joined="2"/>
+		</participant>	
+	</rule>
+
+	<!-- The Primary fails -->
+	<rule name="Rule2" signaled_exception="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.PrimaryFailedException">
+
+		<participant match="*.PRIMARY">
+			<throw_exception class="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.PrimaryFailedException" target_context="INIT_CONTEXT"/>
+		</participant>
+
+		<participant match="*.BACKUP">
+			<throw_exception class="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.PrimaryFailedException" target_context="MAIN">
+				<affected_participants>FIRST</affected_participants>
+			</throw_exception>
+		</participant>
+	</rule>
+
+	<!-- The Backup fails -->
+	<rule name="Rule3" signaled_exception="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.BackupFailedException">
+
+		<participant match="*.PRIMARY">
+			<throw_exception class="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.BackupFailedException" target_context="PRIMARY"/>
+		</participant>
+
+		<participant match="SIGNALER">
+			<throw_exception class="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.BackupFailedException" target_context="INIT_CONTEXT"/>
+		</participant>
+	</rule>	
+
+	<!-- The Primary and Backup fail together -->
+	<rule  name="Rule4" signaled_exception="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.PrimaryBackupFailedTogetherException">
+
+		<participant match="*.PRIMARY">
+			<throw_exception class="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.PrimaryFailedException" target_context="INIT_CONTEXT"/>
+		</participant>
+		
+		 <!-- Backup signaler -->
+		<participant match="*.BACKUP,SIGNALER">
+			<throw_exception class="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.BackupFailedException" target_context="INIT_CONTEXT"/>
+		</participant>		
+
+		<!-- Excluding the backup signaler -->
+		<participant match="*.BACKUP,!SIGNALER"> 
+			<throw_exception class="org.apache.tuscany.sca.guardian.itests.primaryBackup.common.PrimaryFailedException" target_context="MAIN">
+				<affected_participants>FIRST</affected_participants>
+			</throw_exception>
+		</participant>		
+
+	</rule>
+
+</recovery_rules>