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Diffstat (limited to 'sca-java-1.x/branches/sca-java-20080910/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementation.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-20080910/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementation.java | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-20080910/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementation.java b/sca-java-1.x/branches/sca-java-20080910/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementation.java new file mode 100644 index 0000000000..a50ad89b64 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-20080910/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementation.java @@ -0,0 +1,161 @@ +/*
+ * 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.data;
+
+import java.sql.Connection;
+import java.sql.DatabaseMetaData;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.ConstrainingType;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.data.engine.config.ConnectionInfo;
+import org.apache.tuscany.sca.implementation.data.jdbc.JDBCHelper;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+
+
+/**
+ * The model representing a sample DATA implementation in an SCA assembly model.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DATAImplementation implements Implementation {
+ private AssemblyFactory assemblyFactory;
+ private JavaInterfaceFactory javaFactory;
+
+ private ConnectionInfo connectionInfo;
+ private List<Service> services = new ArrayList<Service>();
+
+ /**
+ * Constructs a new DAS implementation.
+ */
+ public DATAImplementation(AssemblyFactory assemblyFactory,
+ JavaInterfaceFactory javaFactory) {
+
+ // DATA implementation provides one service per database table
+ // exposing the DATA interface, and have no references and properties
+ this.assemblyFactory = assemblyFactory;
+ this.javaFactory = javaFactory;
+ }
+
+ private void introspectServices( AssemblyFactory assemblyFactory, JavaInterfaceFactory javaFactory) {
+ Connection connection = null;
+ try {
+ connection = JDBCHelper.getConnection(connectionInfo);
+ DatabaseMetaData databaseMetaData = connection.getMetaData();
+ ResultSet tables = databaseMetaData.getTables(null, null, "%", null);
+ while(tables.next()) {
+ //create the SCA service for the table
+ Service dataService = assemblyFactory.createService();
+ Service dataCollectionService = assemblyFactory.createService();
+
+ dataService.setName(tables.getString(3)+"_DATA");
+ dataCollectionService.setName(tables.getString(3));
+
+ JavaInterface dataInterface;
+ JavaInterface dataCollectionInterface;
+
+ try {
+ dataInterface = javaFactory.createJavaInterface(DATA.class);
+ dataCollectionInterface = javaFactory.createJavaInterface(DATACollection.class);
+ } catch (InvalidInterfaceException e) {
+ throw new IllegalArgumentException(e);
+ }
+ JavaInterfaceContract dataInterfaceContract = javaFactory.createJavaInterfaceContract();
+ JavaInterfaceContract dataCollectionInterfaceContract = javaFactory.createJavaInterfaceContract();
+
+ dataInterfaceContract.setInterface(dataInterface);
+ dataCollectionInterfaceContract.setInterface(dataCollectionInterface);
+
+ dataService.setInterfaceContract(dataInterfaceContract);
+ dataCollectionService.setInterfaceContract(dataCollectionInterfaceContract);
+
+ services.add(dataService);
+ services.add(dataCollectionService);
+
+ }
+ } catch(SQLException e) {
+
+ } finally {
+ JDBCHelper.cleanupResources(connection, null, null);
+ }
+ }
+
+ public ConnectionInfo getConnectionInfo() {
+ return this.connectionInfo;
+ }
+
+ public void setConnectionInfo(ConnectionInfo connectionInfo) {
+ this.connectionInfo = connectionInfo;
+ }
+
+ public ConstrainingType getConstrainingType() {
+ // The sample DATA implementation does not support constrainingTypes
+ return null;
+ }
+
+ public List<Property> getProperties() {
+ // The sample DATA implementation does not support properties
+ return Collections.emptyList();
+ }
+
+ public List<Service> getServices() {
+ if(services == null || services.size() == 0) {
+ introspectServices(assemblyFactory, javaFactory);
+ }
+ return services;
+ }
+
+ public List<Reference> getReferences() {
+ // The sample DATA implementation does not support references
+ return Collections.emptyList();
+ }
+
+ public String getURI() {
+ // The sample DATA implementation does not have a URI
+ return null;
+ }
+
+ public void setConstrainingType(ConstrainingType constrainingType) {
+ // The sample DATA implementation does not support constrainingTypes
+ }
+
+ public void setURI(String uri) {
+ // The sample DATA implementation does not have a URI
+ }
+
+ public boolean isUnresolved() {
+ // The sample DATA implementation is always resolved
+ return false;
+ }
+
+ public void setUnresolved(boolean unresolved) {
+ // The sample DATA implementation is always resolved
+ }
+}
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