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Diffstat (limited to 'tags/java/sca/1.5.1-RC1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/EndpointBuilderImpl.java')
| -rw-r--r-- | tags/java/sca/1.5.1-RC1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/EndpointBuilderImpl.java | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1-RC1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/EndpointBuilderImpl.java b/tags/java/sca/1.5.1-RC1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/EndpointBuilderImpl.java new file mode 100644 index 0000000000..c261ba82f1 --- /dev/null +++ b/tags/java/sca/1.5.1-RC1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/EndpointBuilderImpl.java @@ -0,0 +1,133 @@ +/* + * 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.assembly.builder.impl; + +import java.util.Map; +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.CompositeService; +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.assembly.builder.EndpointBuilder; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; + +/** + * A factory for the Endpoint model. + * + * @version $Rev$ $Date$ + */ +public abstract class EndpointBuilderImpl implements EndpointBuilder { + + private Monitor monitor; + private Map<Binding, Binding> bindingMap; + + public EndpointBuilderImpl (Monitor monitor, Map<Binding, Binding> bindingMap) { + this.monitor = monitor; + this.bindingMap = bindingMap; + } + + private void warning(String message, Object model, String... messageParameters) { + if (monitor != null){ + Problem problem = new ProblemImpl(this.getClass().getName(), "assembly-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + private void error(String message, Object model, Exception ex) { + if (monitor != null){ + Problem problem = null; + problem = new ProblemImpl(this.getClass().getName(), "assembly-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + /** + * Resolve an endpoint against the provided target information and the + * set of candidate bindings. + */ + public void build(Endpoint endpoint) { + + // If this endpoint is not fully configured then don't try and resolve it + if (endpoint.getTargetComponentService() == null){ + return; + } + + // Does the reference expect callbacks + boolean bidirectional = false; + + if (endpoint.getSourceComponentReference().getInterfaceContract() != null && + endpoint.getSourceComponentReference().getInterfaceContract().getCallbackInterface() != null) { + bidirectional = true; + } + + // if the target service is a promoted service then find the + // service it promotes + if (endpoint.getTargetComponentService().getService() instanceof CompositeService) { + CompositeService compositeService = (CompositeService) endpoint.getTargetComponentService().getService(); + // Find the promoted component service + ComponentService promotedComponentService = ServiceConfigurationUtil.getPromotedComponentService(compositeService); + if (promotedComponentService != null && !promotedComponentService.isUnresolved()) { + endpoint.setTargetComponentService(promotedComponentService); + } + } + + try { + PolicyConfigurationUtil.determineApplicableBindingPolicySets(endpoint.getSourceComponentReference(), + endpoint.getTargetComponentService()); + } catch ( Exception e ) { + error("PolicyRelatedException", endpoint, e); + } + + + // Match the binding against the bindings of the target service + Binding resolvedBinding = BindingConfigurationUtil.matchBinding(endpoint.getTargetComponent(), + endpoint.getTargetComponentService(), + endpoint.getCandidateBindings(), + endpoint.getTargetComponentService().getBindings(), + bindingMap, false); + if (resolvedBinding == null) { + warning("NoMatchingBinding", + endpoint.getSourceComponentReference(), + endpoint.getSourceComponentReference().getName(), + endpoint.getTargetComponentService().getName()); + } else { + endpoint.setSourceBinding(resolvedBinding); + } + + if (bidirectional) { + Binding resolvedCallbackBinding = BindingConfigurationUtil.matchBinding(endpoint.getTargetComponent(), + endpoint.getTargetComponentService(), + endpoint.getSourceComponentReference().getCallback().getBindings(), + endpoint.getTargetComponentService().getCallback().getBindings(), + bindingMap, true); + if (resolvedBinding == null) { + warning("NoMatchingCallbackBinding", + endpoint.getSourceComponentReference(), + endpoint.getSourceComponentReference().getName(), + endpoint.getTargetComponentService().getName()); + } else { + endpoint.setSourceCallbackBinding(resolvedCallbackBinding); + } + } + } + +} |