Continue bring up of section 10 apis code. Rename to classes to clearer names

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@958497 13f79535-47bb-0310-9956-ffa450edef68

5 files changed, 843 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/Node.java b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/Node.java
new file mode 100644
index 0000000000..4325ce456a
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/Node.java
@@ -0,0 +1,237 @@
+/*
+ * 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.node2;
+
+import java.io.Reader;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.deployment.Deployer;
+import org.apache.tuscany.sca.monitor.ValidationException;
+import org.apache.tuscany.sca.node2.impl.InstalledContribution;
+import org.apache.tuscany.sca.runtime.ActivationException;
+import org.oasisopen.sca.NoSuchServiceException;
+
+public interface Node {
+
+    /**
+     * 4577 10.5.1 install Contribution & update Contribution
+     * 4578 Creates or updates an installed contribution with a supplied root contribution, and installed at a supplied
+     * 4579 base URI. A supplied dependent contribution list (<export/> elements) specifies the contributions that are
+     * 4580 used to resolve the dependencies of the root contribution and other dependent contributions. These
+     * 4581 override any dependent contributions explicitly listed via the @location attribute in the import statements
+     * 4582 of the contribution.
+     * 4583 SCA follows the simplifying assumption that the use of a contribution for resolving anything also means
+     * 4584 that all other exported artifacts can be used from that contribution. Because of this, the dependent
+     * 4585 contribution list is just a list of installed contribution URIs. There is no need to specify what is being used
+     * 4586 from each one.
+     * 4587 Each dependent contribution is also an installed contribution, with its own dependent contributions. By
+     * 4588 default these dependent contributions of the dependent contributions (which we will call indirect
+     * 4589 dependent contributions) are included as dependent contributions of the installed contribution. However,
+     * 4590 if a contribution in the dependent contribution list exports any conflicting definitions with an indirect
+     * 4591 dependent contribution, then the indirect dependent contribution is not included (i.e. the explicit list
+     * 4592 overrides the default inclusion of indirect dependent contributions). Also, if there is ever a conflict
+     * 4593 between two indirect dependent contributions, then the conflict MUST be resolved by an explicit entry in
+     * 4594 the dependent contribution list.
+     * 4595 [ASM12009]
+     * 4596 Note that in many cases, the dependent contribution list can be generated. In particular, if the creator of
+     * 4597 a Domain is careful to avoid creating duplicate definitions for the same qualified name, then it is easy for
+     * 4598 this list to be generated by tooling.     * 
+     * @param uri
+     * @param contributionURL
+     * @throws ContributionReadException 
+     * @throws ActivationException 
+     * @throws ValidationException 
+     */
+    void installContribution(String uri, String contributionURL, String metaDataURL, List<String> dependentContributionURIs, boolean deployDeployables) throws ContributionReadException, ActivationException, ValidationException;
+    void installContribution(Contribution contribution, List<String> dependentContributionURIs, boolean deployDeployables) throws ContributionReadException, ActivationException, ValidationException;
+    
+    /* Useful short forms of that for when you don't care or have the others (but leave out for now to keep as simple as possible):
+    String installContribution(String contributionURL) throws ContributionReadException, ActivationException, ValidationException;
+    void installContribution(String uri, String contributionURL) throws ContributionReadException, ActivationException, ValidationException;
+    String installContribution(String contributionURL, boolean autoDeploy) throws ContributionReadException, ActivationException, ValidationException;
+    */
+    
+    /**
+     * 4577 10.5.1 install Contribution & update Contribution
+     * 4578 Creates or updates an installed contribution with a supplied root contribution, and installed at a supplied
+     * 4579 base URI. A supplied dependent contribution list (<export/> elements) specifies the contributions that are
+     * 4580 used to resolve the dependencies of the root contribution and other dependent contributions. These
+     * 4581 override any dependent contributions explicitly listed via the @location attribute in the import statements
+     * 4582 of the contribution.
+     * 4583 SCA follows the simplifying assumption that the use of a contribution for resolving anything also means
+     * 4584 that all other exported artifacts can be used from that contribution. Because of this, the dependent
+     * 4585 contribution list is just a list of installed contribution URIs. There is no need to specify what is being used
+     * 4586 from each one.
+     * 4587 Each dependent contribution is also an installed contribution, with its own dependent contributions. By
+     * 4588 default these dependent contributions of the dependent contributions (which we will call indirect
+     * 4589 dependent contributions) are included as dependent contributions of the installed contribution. However,
+     * 4590 if a contribution in the dependent contribution list exports any conflicting definitions with an indirect
+     * 4591 dependent contribution, then the indirect dependent contribution is not included (i.e. the explicit list
+     * 4592 overrides the default inclusion of indirect dependent contributions). Also, if there is ever a conflict
+     * 4593 between two indirect dependent contributions, then the conflict MUST be resolved by an explicit entry in
+     * 4594 the dependent contribution list.
+     * 4595 [ASM12009]
+     * 4596 Note that in many cases, the dependent contribution list can be generated. In particular, if the creator of
+     * 4597 a Domain is careful to avoid creating duplicate definitions for the same qualified name, then it is easy for
+     * 4598 this list to be generated by tooling.
+     *  
+     * @param uri
+     * @param contributionURL
+     */
+    void updateContribution(String uri, String contributionURL);
+    void updateContribution(Contribution contribution);
+
+    /**
+     * 4599 10.5.2 add Deployment Composite & update Deployment Composite
+     * 4600 Adds or updates a deployment composite using a supplied composite ("composite by value" - a data
+     * 4601 structure, not an existing resource in the Domain) to the contribution identified by a supplied contribution
+     * 4602 URI. The added or updated deployment composite is given a relative URI that matches the @name
+     * 4603 attribute of the composite, with a ".composite" suffix. Since all composites run within the context of a
+     * 4604 installed contribution (any component implementations or other definitions are resolved within that
+     * 4605 contribution), this functionality makes it possible for the deployer to create a composite with final
+     * 4606 configuration and wiring decisions and add it to an installed contribution without having to modify the
+     * 4607 contents of the root contribution.
+     * 4608 Also, in some use cases, a contribution might include only implementation code (e.g. PHP scripts). It is
+     * 4609 then possible for those to be given component names by a (possibly generated) composite that is added
+     * 4610 into the installed contribution, without having to modify the packaging.     * 
+     * 
+     * @param uri
+     * @param compositeXML
+     * @return
+     * @throws XMLStreamException 
+     * @throws ContributionReadException 
+     * @throws ActivationException 
+     * @throws ValidationException 
+     */
+    String addDeploymentComposite(String contributionURI, Reader compositeXML) throws ContributionReadException, XMLStreamException, ActivationException, ValidationException;
+    String addDeploymentComposite(String contributionURI, Composite composite) throws ActivationException;
+
+    /**
+     * 4599 10.5.2 add Deployment Composite & update Deployment Composite
+     * 4600 Adds or updates a deployment composite using a supplied composite ("composite by value" - a data
+     * 4601 structure, not an existing resource in the Domain) to the contribution identified by a supplied contribution
+     * 4602 URI. The added or updated deployment composite is given a relative URI that matches the @name
+     * 4603 attribute of the composite, with a ".composite" suffix. Since all composites run within the context of a
+     * 4604 installed contribution (any component implementations or other definitions are resolved within that
+     * 4605 contribution), this functionality makes it possible for the deployer to create a composite with final
+     * 4606 configuration and wiring decisions and add it to an installed contribution without having to modify the
+     * 4607 contents of the root contribution.
+     * 4608 Also, in some use cases, a contribution might include only implementation code (e.g. PHP scripts). It is
+     * 4609 then possible for those to be given component names by a (possibly generated) composite that is added
+     * 4610 into the installed contribution, without having to modify the packaging.     * 
+     * 
+     * @param uri
+     * @param compositeXML
+     * @return
+     */
+    String updateDeploymentComposite(String uri, Reader compositeXML);
+    String updateDeploymentComposite(String uri, Composite composite);
+
+    /**
+     * 4611 11.4.310.5.3 remove Contribution
+     * 4612 Removes the deployed contribution identified by a supplied contribution URI.
+     * 
+     * @param contributionURI
+     * @return List of contribution URIs (includes dependent contributions) which were removed
+     * @throws ActivationException 
+     */
+    List<String> removeContribution(String contributionURI) throws ActivationException;
+
+    /**
+     * 4677 10.7.1 add To Domain-Level Composite
+     * 4678 This functionality adds the composite identified by a supplied URI to the Domain Level Composite. The
+     * 4679 supplied composite URI refers to a composite within an installed contribution. The composite's installed
+     * 4680 contribution determines how the composite's artifacts are resolved (directly and indirectly). The supplied
+     * 4681 composite is added to the domain composite with semantics that correspond to the domain-level
+     * 4683 components become top-level components and the component services become externally visible
+     * 4684 services (eg. they would be present in a WSDL description of the Domain). The meaning of any promoted
+     * 4685 services and references in the supplied composite is not defined; since there is no composite scope
+     * 4686 outside the domain composite, the usual idea of promotion has no utility.
+     *  
+     * @param compositeURI
+     * @throws ActivationException 
+     */
+    void addToDomainLevelComposite(String compositeURI) throws ActivationException;
+    
+    /**
+     * 4687 10.7.2 remove From Domain-Level Composite
+     * 4688 Removes from the Domain Level composite the elements corresponding to the composite identified by a
+     * 4689 supplied composite URI. This means that the removal of the components, wires, services and references
+     * 4690 originally added to the domain level composite by the identified composite.     * 
+     * @param compositeURI
+     * @throws ActivationException 
+     */
+    void removeFromDomainLevelComposite(String compositeURI) throws ActivationException;
+
+    /**
+     * 10.7.3 get Domain-Level Composite
+     * Returns a <composite> definition that has an <include> line for each composite that had been added to
+     * the domain level composite. It is important to note that, in dereferencing the included composites, any
+     * referenced artifacts are resolved in terms of that installed composite.
+     * 
+     * @return
+     */
+    Composite getDomainLevelComposite();
+    
+    /* that previous one returns a Composte object but not sure what would be most appropriate, and having one return a string seems convenient: */
+    String getDomainLevelCompositeAsString();
+    
+    /**
+     * 4695 10.7.4 get QName Definition
+     * 4696 In order to make sense of the domain-level composite (as returned by get Domain-Level Composite), it
+     * 4697 needs to be possible to get the definitions for named artifacts in the included composites. This
+     * 4698 functionality takes the supplied URI of an installed contribution (which provides the context), a supplied
+     * 4699 qualified name of a definition to look up, and a supplied symbol space (as a QName, e.g.
+     * 4700 wsdl:PortTypeportType). The result is a single definition, in whatever form is appropriate for that
+     * 4701 definition type.
+     * 4702 Note that this, like all the other domain-level operations, is a conceptual operation. Its capabilities need to
+     * 4703 exist in some form, but not necessarily as a service operation with exactly this signature.     * 
+     * @param contributionURI
+     * @param definition
+     * @param symbolSpace
+     * @return
+     */
+    Object getQNameDefinition(String contributionURI, QName definition, QName symbolSpace);
+
+    /**
+     * Probably want to be able to stop it all at once so a method called stop or shutdown or destroy
+     */
+    void stop();
+
+    /**
+     * Would also be convenient to get service proxys as from SCAClientFactory
+     */
+    <T> T getService(Class<T> interfaze, String serviceURI) throws NoSuchServiceException;    
+
+    /* do we also need these following ones that are mentioned only indirectly in the spec? */
+    
+    List<String> getDeployedCompostes(String contributionURI);
+    List<String> getInstalledContributions();
+    InstalledContribution getInstalledContribution(String uri);
+    Deployer getDeployer();
+    AssemblyFactory getAssemblyFactory();
+}
diff --git a/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/NodeFactory.java b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/NodeFactory.java
new file mode 100644
index 0000000000..89bbcce978
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/NodeFactory.java
@@ -0,0 +1,97 @@
+/*
+ * 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.node2;
+
+import java.util.Properties;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.core.assembly.RuntimeAssemblyFactory;
+import org.apache.tuscany.sca.deployment.Deployer;
+import org.apache.tuscany.sca.node2.impl.NodeImpl;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
+import org.apache.tuscany.sca.runtime.EndpointRegistry;
+import org.apache.tuscany.sca.runtime.ExtensibleDomainRegistryFactory;
+import org.apache.tuscany.sca.runtime.RuntimeProperties;
+import org.apache.tuscany.sca.work.WorkScheduler;
+
+public class NodeFactory {
+
+    private Deployer deployer;
+    private ExtensionPointRegistry extensionPointRegistry;
+    private CompositeActivator compositeActivator;
+    private ExtensibleDomainRegistryFactory domainRegistryFactory;
+
+    // TODO: keep this method?
+    public static Node createSection10() {
+        return new NodeFactory().createSection10("default");
+    }
+
+    public NodeFactory() {
+        init(null);
+    }
+
+    public NodeFactory(Properties config) {
+        init(config);
+    }
+
+    public Node createSection10(String domainName) {
+        EndpointRegistry endpointRegistry = domainRegistryFactory.getEndpointRegistry("default", domainName);
+        return new NodeImpl(domainName, deployer, compositeActivator, endpointRegistry, extensionPointRegistry);
+    }
+
+    public void stop() {
+        deployer.stop();
+        extensionPointRegistry.stop();
+    }
+
+    protected void init(Properties config) {
+        if (config == null) {
+            config = new Properties();
+            config.setProperty("defaultScheme", "vm");
+            config.setProperty("defaultDomainName", "default");
+        }
+        this.extensionPointRegistry = new DefaultExtensionPointRegistry();
+        extensionPointRegistry.start();
+
+        FactoryExtensionPoint modelFactories = extensionPointRegistry.getExtensionPoint(FactoryExtensionPoint.class);
+        AssemblyFactory assemblyFactory = new RuntimeAssemblyFactory(extensionPointRegistry);
+        modelFactories.addFactory(assemblyFactory);
+
+        UtilityExtensionPoint utilities = extensionPointRegistry.getExtensionPoint(UtilityExtensionPoint.class);
+        this.compositeActivator = utilities.getUtility(CompositeActivator.class);
+        this.deployer = utilities.getUtility(Deployer.class);
+        utilities.getUtility(RuntimeProperties.class).setProperties(config);
+        utilities.getUtility(WorkScheduler.class);
+
+        // Initialize the Tuscany module activators
+        // The module activators will be started
+        extensionPointRegistry.getExtensionPoint(ModuleActivatorExtensionPoint.class);
+
+        this.domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionPointRegistry);
+//        DomainRegistryFactory domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionPointRegistry);
+//        domainRegistryFactory.getEndpointRegistry(config.getProperty("reguri"), config.getProperty("defaultDomainName"));
+
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/impl/DeployedComposite.java b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/impl/DeployedComposite.java
new file mode 100644
index 0000000000..98055464bd
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/impl/DeployedComposite.java
@@ -0,0 +1,138 @@
+/*
+ * 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.node2.impl;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.context.CompositeContext;
+import org.apache.tuscany.sca.contribution.Artifact;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.deployment.Deployer;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.ValidationException;
+import org.apache.tuscany.sca.runtime.ActivationException;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
+import org.apache.tuscany.sca.runtime.EndpointRegistry;
+
+public class DeployedComposite {
+    
+    private String uri;
+    private Composite composite; 
+    private InstalledContribution installedContribution; 
+    private List<Contribution> dependedOnContributions;
+    private Composite domainComposite; // TODO: this is misleadingly named
+    
+    private CompositeActivator compositeActivator;
+    private CompositeContext compositeContext;
+    private Deployer deployer;
+    private EndpointRegistry endpointRegistry;
+    private ExtensionPointRegistry extensionPointRegistry;
+
+    public DeployedComposite(Composite composite,
+                             InstalledContribution ic,
+                             List<Contribution> dependedOnContributions,
+                             Deployer deployer,
+                             CompositeActivator compositeActivator,
+                             EndpointRegistry endpointRegistry,
+                             ExtensionPointRegistry extensionPointRegistry) throws ActivationException {
+        this.composite = composite;
+        this.installedContribution = ic;
+        this.dependedOnContributions = dependedOnContributions;
+        this.deployer = deployer;
+        this.compositeActivator = compositeActivator;
+        this.endpointRegistry = endpointRegistry;
+        this.extensionPointRegistry = extensionPointRegistry;
+        try {
+            init();
+        } catch (Exception e) {
+            throw new ActivationException(e);
+        }
+    }
+
+    protected void init() throws ValidationException, ContributionResolveException, CompositeBuilderException, ActivationException {
+        
+        List<Contribution> contribution = new ArrayList<Contribution>();
+        contribution.add(installedContribution.getContribution());
+        contribution.get(0).getDeployables().clear();
+        contribution.get(0).getDeployables().add(composite);
+        
+        Monitor monitor = deployer.createMonitor();
+// TODO: is the ContextMonitor neccessary here?         
+//        Monitor tcm = monitorFactory.setContextMonitor(monitor);
+//        try {
+            
+            domainComposite = deployer.build(contribution, dependedOnContributions, new HashMap<QName, List<String>>(), monitor);
+            monitor.analyzeProblems();
+
+//        } finally {
+//            monitorFactory.setContextMonitor(tcm);
+//        }
+        
+        compositeContext = new CompositeContext(extensionPointRegistry, 
+                                                endpointRegistry, 
+                                                domainComposite, 
+                                                null, // nothing appears to use the domain name in CompositeContext 
+                                                null, // don't need node uri
+                                                deployer.getSystemDefinitions());
+                       
+        CompositeContext.setThreadCompositeContext(compositeContext); // TODO: what is this doing?
+
+        compositeActivator.activate(compositeContext, domainComposite);
+        compositeActivator.start(compositeContext, domainComposite);
+
+        this.uri = getCompositeURI(composite, installedContribution);
+    }
+
+    public void unDeploy() throws ActivationException {
+        compositeActivator.stop(compositeContext, domainComposite);
+        compositeActivator.deactivate(domainComposite);
+    }
+    
+    public String getURI() {
+        return uri;
+    }
+
+    /**
+     * Deployable composites don't have the uri set so get it from the artifact in the contribution
+     * // TODO: fix the Tuscany code so this uri is correctly set and this method isn't needed
+     */
+    protected String getCompositeURI(Composite c, InstalledContribution ic) {
+        for (Artifact a : ic.getContribution().getArtifacts()) {
+            if (a.getModel() != null) {
+                if (a.getModel() instanceof Composite) {
+                    Composite cm = a.getModel();
+                    if (c.getName().equals(cm.getName())) {
+                        return cm.getURI();
+                    }
+                }
+            }
+        }
+        // shouldn't ever happen
+        throw new IllegalStateException("can't determine composte uri");
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/impl/InstalledContribution.java b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/impl/InstalledContribution.java
new file mode 100644
index 0000000000..d306e52121
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/impl/InstalledContribution.java
@@ -0,0 +1,65 @@
+/*
+ * 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.node2.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.contribution.Contribution;
+
+public class InstalledContribution {
+
+    private String uri;
+    private String url;
+    private Contribution contribution;
+    private List<Composite> defaultDeployables = new ArrayList<Composite>();
+    private List<DeployedComposite> deployedComposites = new ArrayList<DeployedComposite>();
+    private List<String> dependentContributionURIs;
+    
+    public InstalledContribution(String uri, String url, Contribution contribution, List<String> dependentContributionURIs) {
+        this.uri = uri;
+        this.url = url;
+        this.contribution = contribution;
+        this.defaultDeployables = contribution.getDeployables();
+        this.dependentContributionURIs = dependentContributionURIs;
+    }
+    public Contribution getContribution() {
+        return contribution;
+    }
+    public void setContribution(Contribution contribution) {
+        this.contribution = contribution;
+    }
+    public String getURI() {
+        return uri;
+    }
+    public String getURL() {
+        return url;
+    }
+    public List<Composite> getDefaultDeployables() {
+        return defaultDeployables;
+    }
+    public List<DeployedComposite> getDeployedComposites() {
+        return deployedComposites;
+    }
+    public List<String> getDependentContributionURIs() {
+        return dependentContributionURIs;
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/impl/NodeImpl.java b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/impl/NodeImpl.java
new file mode 100644
index 0000000000..57d2f9d304
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/node2/impl/NodeImpl.java
@@ -0,0 +1,306 @@
+/*
+ * 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.node2.impl;
+
+import java.io.Reader;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.common.java.io.IOHelper;
+import org.apache.tuscany.sca.contribution.Artifact;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.ContributionMetadata;
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.deployment.Deployer;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.ValidationException;
+import org.apache.tuscany.sca.node2.Node;
+import org.apache.tuscany.sca.runtime.ActivationException;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
+import org.apache.tuscany.sca.runtime.EndpointRegistry;
+import org.oasisopen.sca.NoSuchDomainException;
+import org.oasisopen.sca.NoSuchServiceException;
+import org.oasisopen.sca.client.SCAClientFactory;
+
+public class NodeImpl implements Node {
+
+    private String domainName;
+    private Deployer deployer;
+    private Map<String, InstalledContribution> installedContributions = new HashMap<String, InstalledContribution>();
+    private CompositeActivator compositeActivator;
+    private EndpointRegistry endpointRegistry;
+    private ExtensionPointRegistry extensionPointRegistry;
+    
+    public NodeImpl(String domainName, Deployer deployer, CompositeActivator compositeActivator, EndpointRegistry endpointRegistry, ExtensionPointRegistry extensionPointRegistry) {
+        this.domainName = domainName;
+        this.deployer = deployer;
+        this.compositeActivator = compositeActivator;
+        this.endpointRegistry = endpointRegistry;
+        this.extensionPointRegistry = extensionPointRegistry;
+    }
+
+    public void installContribution(String uri, String contributionURL, String metaDataURL, List<String> dependentContributionURIs, boolean deployDeployables) throws ContributionReadException, ActivationException, ValidationException {
+        Monitor monitor = deployer.createMonitor();
+        Contribution contribution = deployer.loadContribution(URI.create(uri), IOHelper.getLocationAsURL(contributionURL), monitor);
+        monitor.analyzeProblems();
+        if (metaDataURL != null) {
+            mergeContributionMetaData(metaDataURL, contribution);
+        }
+        installContribution(contribution, dependentContributionURIs, deployDeployables);
+    }
+
+    private void mergeContributionMetaData(String metaDataURL, Contribution contribution) throws ValidationException {
+        ContributionMetadata metaData;
+        Monitor monitor = deployer.createMonitor();
+        try {
+            metaData = deployer.loadXMLDocument(IOHelper.getLocationAsURL(metaDataURL), monitor);
+        } catch (Exception e) {
+            throw new ValidationException(e);
+        }
+        monitor.analyzeProblems();
+        contribution.getDeployables().addAll(metaData.getDeployables());
+        contribution.getImports().addAll(metaData.getImports());
+        contribution.getExports().addAll(metaData.getExports());
+    }
+    
+    public void installContribution(Contribution contribution, List<String> dependentContributionURIs, boolean deployDeployables) throws ContributionReadException, ActivationException, ValidationException {
+        InstalledContribution ic = new InstalledContribution(contribution.getURI(), contribution.getLocation(), contribution, dependentContributionURIs);
+        installedContributions.put(contribution.getURI(), ic);
+        if (deployDeployables) {
+            for (Composite c : ic.getDefaultDeployables()) {
+                deployComposite(c, ic);
+            }
+        }
+    }
+
+    public String addDeploymentComposite(String contributionURI, Reader compositeXML) throws ContributionReadException, XMLStreamException, ActivationException, ValidationException {
+        Monitor monitor = deployer.createMonitor();
+        Composite composite = deployer.loadXMLDocument(compositeXML, monitor);
+        monitor.analyzeProblems();
+        return addDeploymentComposite(contributionURI, composite);
+    }
+
+    public String addDeploymentComposite(String contributionURI, Composite composite) throws ActivationException {
+        InstalledContribution ic = installedContributions.get(contributionURI);
+        if (ic == null) {
+            throw new IllegalArgumentException("contribution not installed: " + contributionURI);
+        }
+        String compositeArtifcatURI = deployer.attachDeploymentComposite(ic.getContribution(), composite, true);
+        deployComposite(composite, ic);
+        return compositeArtifcatURI;
+    }
+
+    public void addToDomainLevelComposite(String compositeURI) throws ActivationException {
+        String contributionURI = getContributionUriForArtifact(compositeURI);
+        InstalledContribution ic = installedContributions.get(contributionURI);
+        if (ic == null) {
+            throw new IllegalArgumentException("Contribution not installed: " + contributionURI);
+        }
+        String relativeURI = compositeURI.substring(contributionURI.endsWith("/") ? contributionURI.length() : contributionURI.length()+1);
+        for (Artifact a : ic.getContribution().getArtifacts()) {
+            if (a.getURI().equals(relativeURI)) {
+                deployComposite((Composite) a.getModel(), ic);
+                return;
+            }
+        }
+        throw new IllegalArgumentException("composite not found: " + compositeURI);
+    }
+
+    public void removeFromDomainLevelComposite(String compositeURI) throws ActivationException {
+        String contributionURI = getContributionUriForArtifact(compositeURI);
+        InstalledContribution ic = installedContributions.get(contributionURI);
+        String relativeURI = compositeURI.substring(contributionURI.length()+1);
+        for (DeployedComposite dc : ic.getDeployedComposites()) {
+            if (relativeURI.equals(dc.getURI())) {
+                ic.getDeployedComposites().remove(dc);
+                dc.unDeploy();
+                return;
+            }
+        }
+        throw new IllegalStateException("composite not deployed: " + compositeURI);
+    }
+
+    public Composite getDomainLevelComposite() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public String getDomainLevelCompositeAsString() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public Object getQNameDefinition(String contributionURI, QName definition, QName symbolSpace) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public List<String> removeContribution(String contributionURI) throws ActivationException {
+        List<String> removedContributionURIs = new ArrayList<String>();
+        InstalledContribution ic = installedContributions.get(contributionURI);
+        if (ic != null) {
+            removedContributionURIs.add(ic.getURI());
+            for (String dependent : getDependentContributions(contributionURI)) {
+                removedContributionURIs.addAll(removeContribution(dependent));
+            }
+            installedContributions.remove(contributionURI);
+            for (DeployedComposite dc : ic.getDeployedComposites()) {
+                dc.unDeploy();
+            }
+            ic.getDeployedComposites().clear();
+        }
+        return removedContributionURIs;
+    }
+
+    public void updateContribution(String uri, String contributionURL) {
+        // TODO Auto-generated method stub
+        // is this just removeContribution/installContribution?
+    }
+    public void updateContribution(Contribution contribution) {
+        // TODO Auto-generated method stub
+    }
+
+    public String updateDeploymentComposite(String uri, Reader compositeXML) {
+        // TODO Auto-generated method stub
+        // is this removeFromDomainLevelComposite/addDeploymentComposite
+        return null;
+    }
+    public String updateDeploymentComposite(String uri, Composite composite) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public void stop() {
+        ArrayList<String> ics = new ArrayList<String>(installedContributions.keySet());
+        for (String uri : ics) {
+            try {
+                removeContribution(uri);
+            } catch (Exception e) {
+                // TODO: log
+                e.printStackTrace();
+            }
+        }
+    }
+
+    public <T> T getService(Class<T> interfaze, String serviceURI) throws NoSuchServiceException {
+        try {
+            return SCAClientFactory.newInstance(URI.create(getDomainName())).getService(interfaze, serviceURI);
+        } catch (NoSuchDomainException e) {
+            // shouldn't ever happen as we know this is the domain so it must exist
+            throw new IllegalStateException(e);
+        }
+    }
+   
+    public String getDomainName() {
+        return domainName;
+    }
+
+    public List<String> getDeployedCompostes(String contributionURI) {
+        ArrayList<String> compositeURIs = new ArrayList<String>();
+        for (InstalledContribution ic : installedContributions.values()) {
+            for (DeployedComposite dc : ic.getDeployedComposites()) {
+                compositeURIs.add(ic.getURI() + "/" + dc.getURI());
+            }
+        }
+        return compositeURIs;
+    }
+
+    public List<String> getInstalledContributions() {
+        return new ArrayList<String>(installedContributions.keySet());
+    }
+
+    public InstalledContribution getInstalledContribution(String uri) {
+        return installedContributions.get(uri);
+    }
+
+    protected String getContributionUriForArtifact(String artifactURI) {
+        String contributionURI = null;
+        for (String uri : installedContributions.keySet()) {
+            if (artifactURI.startsWith(uri)) {
+                contributionURI = uri;
+                break;
+            }
+        }
+        if (contributionURI == null) {
+            throw new IllegalArgumentException("no contribution found for: " + artifactURI);
+        }
+        return contributionURI;
+    }
+
+    protected void deployComposite(Composite c, InstalledContribution ic) throws ActivationException {
+        List<Contribution> dependentContributions = new ArrayList<Contribution>();
+        if (ic.getDependentContributionURIs() != null) {
+            // if the install specified dependent uris use just those contributions
+            for (String uri : ic.getDependentContributionURIs()) {
+                InstalledContribution dependee = installedContributions.get(uri);
+                if (dependee != null) {
+                    dependentContributions.add(dependee.getContribution());
+                }
+            }
+        } else {
+            // otherwise use all available contributions for dependents
+            for (InstalledContribution ics : installedContributions.values()) {
+                dependentContributions.add(ics.getContribution());
+            }
+        }
+
+        DeployedComposite dc = new DeployedComposite(c, ic, dependentContributions, deployer, compositeActivator, endpointRegistry, extensionPointRegistry);
+        ic.getDeployedComposites().add(dc);
+    }
+    
+    public Set<String> getDependentContributions(String contributionURI) {
+        InstalledContribution ic = installedContributions.get(contributionURI);
+        if (ic == null) {
+            throw new IllegalArgumentException("Contribution not installed: " + contributionURI);
+        }
+        Set<String> dependentContributionURIs = new HashSet<String>();
+        for (InstalledContribution icx : installedContributions.values()) {
+            if (ic != icx) {
+                List<Contribution> dependencies = icx.getContribution().getDependencies();
+                if (dependencies != null && dependencies.contains(ic.getContribution())) {
+                    dependentContributionURIs.addAll(getDependentContributions(icx.getURI()));
+                }
+            }
+        }
+        return dependentContributionURIs;
+    }
+
+    public Deployer getDeployer() {
+        return deployer;
+    }
+
+    public AssemblyFactory getAssemblyFactory() {
+        FactoryExtensionPoint factories = extensionPointRegistry.getExtensionPoint(FactoryExtensionPoint.class);
+        return factories.getFactory(AssemblyFactory.class);
+    }
+
+}