diff options
| author | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
|---|---|---|
| committer | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
| commit | bdd0a41aed7edf21ec2a65cfa17a86af2ef8c48a (patch) | |
| tree | 38a92061c0793434c4be189f1d70c3458b6bc41d /branches/sca-java-1.0/samples/company-das/src/main/java/das | |
Move Tuscany from Incubator to top level.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to '')
3 files changed, 244 insertions, 0 deletions
diff --git a/branches/sca-java-1.0/samples/company-das/src/main/java/das/DASService.java b/branches/sca-java-1.0/samples/company-das/src/main/java/das/DASService.java new file mode 100644 index 0000000000..0387341b87 --- /dev/null +++ b/branches/sca-java-1.0/samples/company-das/src/main/java/das/DASService.java @@ -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 das;
+
+import java.io.InputStream;
+import java.util.Vector;
+
+import commonj.sdo.DataObject;
+
+public interface DASService {
+
+ /**
+ * Set DAS configuration file to be used
+ * @param configStream
+ * @throws DASServiceException
+ */
+ public void configureService(InputStream configStream) throws DASServiceException;
+
+ /**
+ * Execute an existing command. The commands are defined in the DAS Configuration file being used by the service
+ * @param commandName Command name as it appears on the DAS Configuration file
+ * @param commandArguments Vector with arguments to be used by the command
+ * @throws DASServiceException
+ * @return
+ */
+ public DataObject executeCommand(String commandName, Vector commandArguments) throws DASServiceException;
+
+ /**
+ * Execute a new command, this can be any arbitrary valid query based on the backend implementation (e.g. SQL Query for DAS RDB)
+ * @param adHocQuery A new command to be executed (e.g SQL Query)
+ * @param commandArguments Vector with arguments to be used by the command
+ * @throws DASServiceException
+ * @return
+ */
+ public DataObject execute(String adHocQuery, Vector commandArguments) throws DASServiceException;
+
+ /**
+ * Apply all changes on the graph back to the persistent repository.
+ * This would save the changes on the SDO ChangeSummary back to the database
+ * Note: Your SDO ojects should have been created with ChangeSummary support
+ * @param graphRoot SDO Object with changes to be commited to persistent repository
+ * @throws DASServiceException
+ */
+ public void applyChanges(DataObject graphRoot) throws DASServiceException;
+}
diff --git a/branches/sca-java-1.0/samples/company-das/src/main/java/das/DASServiceException.java b/branches/sca-java-1.0/samples/company-das/src/main/java/das/DASServiceException.java new file mode 100644 index 0000000000..e62201a4de --- /dev/null +++ b/branches/sca-java-1.0/samples/company-das/src/main/java/das/DASServiceException.java @@ -0,0 +1,37 @@ +/*
+ * 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 das;
+
+public class DASServiceException extends Exception {
+
+ private static final long serialVersionUID = -7514653215235902874L;
+
+ public DASServiceException() {
+ super();
+ }
+
+ public DASServiceException(String msg) {
+ super(msg);
+ }
+
+ public DASServiceException(String msg, Throwable ex) {
+ super(msg, ex);
+ }
+
+}
diff --git a/branches/sca-java-1.0/samples/company-das/src/main/java/das/DASServiceImpl.java b/branches/sca-java-1.0/samples/company-das/src/main/java/das/DASServiceImpl.java new file mode 100644 index 0000000000..70d9e379ef --- /dev/null +++ b/branches/sca-java-1.0/samples/company-das/src/main/java/das/DASServiceImpl.java @@ -0,0 +1,146 @@ +/*
+ * 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 das;
+
+import java.io.InputStream;
+import java.util.Vector;
+
+import org.apache.tuscany.das.rdb.Command;
+import org.apache.tuscany.das.rdb.DAS;
+import org.osoa.sca.annotations.Scope;
+
+import commonj.sdo.DataObject;
+
+@Scope("COMPOSITE")
+public class DASServiceImpl implements DASService {
+
+ protected DAS das = null;
+
+
+ /**
+ * Initialize DAS
+ * @return
+ * @throws DASServiceException
+ */
+ private void initDAS(InputStream config) throws DASServiceException {
+ if(config == null){
+ throw new DASServiceException("Missing configuration information");
+ }
+
+ if(this.das != null){
+ this.das.releaseResources();
+ this.das = null;
+ }
+
+ this.das = DAS.FACTORY.createDAS(config);
+ }
+
+ /**
+ * Get a DAS instance based on the configuration
+ * @return
+ * @throws DASServiceException
+ */
+ private DAS getDAS() throws DASServiceException {
+ if(this.das == null){
+ throw new DASServiceException("DAS not initialized. Please provide DAS configuration torugh das.SetConfig");
+ }
+
+ return this.das;
+ }
+
+ /**
+ * Set DAS configuration file to be used
+ * @param configStream
+ * @throws DASServiceException
+ */
+ public void configureService(InputStream configStream) throws DASServiceException{
+ this.initDAS(configStream);
+ }
+
+
+
+ /**
+ * Execute an existing command. The commands are defined in the DAS Configuration file being used by the service
+ * @param commandName Command name as it appears on the DAS Configuration file
+ * @param commandArguments Vector with arguments to be used by the command
+ * @throws DASServiceException
+ * @return
+ */
+ public DataObject executeCommand(String commandName, Vector commandArguments) throws DASServiceException{
+ Command command = this.getDAS().getCommand(commandName);
+
+ if(command == null){
+ throw new DASServiceException("Invalid command: " + commandName);
+ }
+
+ //check if arguments was passed
+ if(commandArguments != null && commandArguments.size() > 0){
+ //we need to set the arguments
+ int pos=0;
+ for(Object argument : commandArguments){
+ pos++;
+ command.setParameter(pos, argument);
+ }
+ }
+
+ DataObject root = command.executeQuery();
+
+ return root;
+ }
+
+ /**
+ * Execute a new command, this can be any arbitrary valid query based on the backend implementation (e.g. SQL Query for DAS RDB)
+ * @param newCommand A new command to be executed (e.g SQL Query)
+ * @param commandArguments Vector with arguments to be used by the command
+ * @throws DASServiceException
+ * @return
+ */
+ public DataObject execute(String adHocQuery, Vector commandArguments) throws DASServiceException {
+ Command command = this.getDAS().createCommand(adHocQuery);
+
+ if(command == null){
+ throw new DASServiceException("Invalid command: " + adHocQuery);
+ }
+
+ //check if arguments was passed
+ if(commandArguments != null && commandArguments.size() > 0){
+ //we need to set the arguments
+ int pos=0;
+ for(Object argument : commandArguments){
+ pos++;
+ command.setParameter(pos, argument);
+ }
+ }
+ DataObject root = command.executeQuery();
+
+ return root;
+ }
+
+ /**
+ * Apply all changes on the graph back to the persistent repository.
+ * This would save the changes on the SDO ChangeSummary back to the database
+ * Note: Your SDO ojects should have been created with ChangeSummary support
+ * @throws DASServiceException
+ * @param graphRoot SDO Object with changes to be commited to persistent repository
+ */
+ public void applyChanges(DataObject graphRoot) throws DASServiceException{
+ // TODO Auto-generated method stub
+
+ }
+}
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