diff options
Diffstat (limited to 'tags/java/sca/2.0-M1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/EndpointBuilderImpl.java')
| -rw-r--r-- | tags/java/sca/2.0-M1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/EndpointBuilderImpl.java | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/tags/java/sca/2.0-M1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/EndpointBuilderImpl.java b/tags/java/sca/2.0-M1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/EndpointBuilderImpl.java deleted file mode 100644 index 125112a560..0000000000 --- a/tags/java/sca/2.0-M1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/EndpointBuilderImpl.java +++ /dev/null @@ -1,209 +0,0 @@ -/* - * 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.ArrayList; -import java.util.List; - -import org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.assembly.Component; -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.OptimizableBinding; -import org.apache.tuscany.sca.assembly.SCABinding; -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.policy.PolicySet; -import org.apache.tuscany.sca.policy.PolicySetAttachPoint; - -/** - * A factory for the Endpoint model. - * - * @version $Rev$ $Date$ - */ -public abstract class EndpointBuilderImpl implements EndpointBuilder { - - public EndpointBuilderImpl (){ - } - - private void warning(Monitor monitor, String message, Object model, String... messageParameters) { - if (monitor != null){ - Problem problem = monitor.createProblem(this.getClass().getName(), "assembly-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters); - monitor.problem(problem); - } - } - - private void error(Monitor monitor, String message, Object model, Exception ex) { - if (monitor != null){ - Problem problem = null; - problem = monitor.createProblem(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, Monitor monitor) { - - // 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(monitor, "PolicyRelatedException", endpoint, e); - } - - - // Match the binding against the bindings of the target service - Binding resolvedBinding = matchBinding(endpoint.getTargetComponent(), - endpoint.getTargetComponentService(), - endpoint.getCandidateBindings(), - endpoint.getTargetComponentService().getBindings()); - if (resolvedBinding == null) { - warning(monitor, "NoMatchingBinding", - endpoint.getSourceComponentReference(), - endpoint.getSourceComponentReference().getName(), - endpoint.getTargetComponentService().getName()); - } else { - endpoint.setSourceBinding(resolvedBinding); - } - - if (bidirectional) { - Binding resolvedCallbackBinding = matchBinding(endpoint.getTargetComponent(), - endpoint.getTargetComponentService(), - endpoint.getSourceComponentReference().getCallback().getBindings(), - endpoint.getTargetComponentService().getCallback().getBindings()); - if (resolvedBinding == null) { - warning(monitor, "NoMatchingCallbackBinding", - endpoint.getSourceComponentReference(), - endpoint.getSourceComponentReference().getName(), - endpoint.getTargetComponentService().getName()); - } else { - endpoint.setSourceCallbackBinding(resolvedCallbackBinding); - } - } - } - - private boolean hasCompatiblePolicySets(Binding refBinding, Binding svcBinding) { - boolean isCompatible = true; - if ( refBinding instanceof PolicySetAttachPoint && svcBinding instanceof PolicySetAttachPoint ) { - //TODO : need to add more compatibility checks at the policy attachment levels - for ( PolicySet svcPolicySet : ((PolicySetAttachPoint)svcBinding).getPolicySets() ) { - isCompatible = false; - for ( PolicySet refPolicySet : ((PolicySetAttachPoint)refBinding).getPolicySets() ) { - if ( svcPolicySet.equals(refPolicySet) ) { - isCompatible = true; - break; - } - } - //if there exists no matching policy set in the reference binding - if ( !isCompatible ) { - return isCompatible; - } - } - } - return isCompatible; - } - - - private Binding matchBinding(Component targetComponent, ComponentService targetComponentService, List<Binding> source, List<Binding> target) { - List<Binding> matched = new ArrayList<Binding>(); - // Find the corresponding bindings from the service side - for (Binding binding : source) { - for (Binding serviceBinding : target) { - if (binding.getClass() == serviceBinding.getClass() && - hasCompatiblePolicySets(binding, serviceBinding)) { - - try { - Binding cloned = (Binding)binding.clone(); - - //Customise the binding name to make it unique - // regardless of how many bindings or targets there are - if ( targetComponent != null){ - cloned.setName(binding.getName() + "#" + targetComponent.getName() + "/" + serviceBinding.getName()); - } else { - cloned.setName(binding.getName() + "#" + serviceBinding.getName()); - } - - // Set the binding URI to the URI of the target service - // that has been matched - if (binding.getURI() == null) { - cloned.setURI(serviceBinding.getURI()); - } - - if (binding instanceof OptimizableBinding) { - OptimizableBinding endpoint = ((OptimizableBinding)cloned); - endpoint.setTargetComponent(targetComponent); - endpoint.setTargetComponentService(targetComponentService); - endpoint.setTargetBinding(serviceBinding); - } - - matched.add(cloned); - break; - } catch (Exception ex) { - // do nothing - } - } - } - } - if (matched.isEmpty()) { - // No matching binding - return null; - } else { - for (Binding binding : matched) { - // If binding.sca is present, use it - if (SCABinding.class.isInstance(binding)) { - return binding; - } - } - // Use the first one - return matched.get(0); - } - } - -} |