diff options
Diffstat (limited to 'branches/sca-android/tuscany-assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeWireBuilderImpl.java')
| -rw-r--r-- | branches/sca-android/tuscany-assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeWireBuilderImpl.java | 998 |
1 files changed, 0 insertions, 998 deletions
diff --git a/branches/sca-android/tuscany-assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeWireBuilderImpl.java b/branches/sca-android/tuscany-assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeWireBuilderImpl.java deleted file mode 100644 index c7a4990230..0000000000 --- a/branches/sca-android/tuscany-assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeWireBuilderImpl.java +++ /dev/null @@ -1,998 +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.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import org.apache.tuscany.sca.assembly.AssemblyFactory;
-import org.apache.tuscany.sca.assembly.Binding;
-import org.apache.tuscany.sca.assembly.Component;
-import org.apache.tuscany.sca.assembly.ComponentReference;
-import org.apache.tuscany.sca.assembly.ComponentService;
-import org.apache.tuscany.sca.assembly.Composite;
-import org.apache.tuscany.sca.assembly.CompositeReference;
-import org.apache.tuscany.sca.assembly.CompositeService;
-import org.apache.tuscany.sca.assembly.ConfiguredOperation;
-import org.apache.tuscany.sca.assembly.Implementation;
-import org.apache.tuscany.sca.assembly.Multiplicity;
-import org.apache.tuscany.sca.assembly.OperationsConfigurator;
-import org.apache.tuscany.sca.assembly.OptimizableBinding;
-import org.apache.tuscany.sca.assembly.Reference;
-import org.apache.tuscany.sca.assembly.SCABinding;
-import org.apache.tuscany.sca.assembly.Service;
-import org.apache.tuscany.sca.assembly.Wire;
-import org.apache.tuscany.sca.assembly.builder.CompositeBuilderMonitor;
-import org.apache.tuscany.sca.assembly.builder.Problem.Severity;
-import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
-import org.apache.tuscany.sca.policy.util.PolicyComputationUtils;
-
-public class CompositeWireBuilderImpl {
-
- private CompositeBuilderMonitor monitor;
- private AssemblyFactory assemblyFactory;
- private InterfaceContractMapper interfaceContractMapper;
-
- private BindingPolicyComputer bindingPolicyComputer = null;
- private ImplementationPolicyComputer implPolicyComputer = null;
-
- //Represents a target component and service
- private class Target {
- Component component;
- ComponentService service;
-
- Target(Component component, ComponentService service) {
- this.component = component;
- this.service = service;
- }
-
- Component getComponent() {
- return component;
- }
-
- ComponentService getService() {
- return service;
- }
- };
-
- public CompositeWireBuilderImpl(AssemblyFactory assemblyFactory, InterfaceContractMapper interfaceContractMapper, CompositeBuilderMonitor monitor) {
- this.assemblyFactory = assemblyFactory;
- this.interfaceContractMapper = interfaceContractMapper;
- this.monitor = monitor;
-
- this.bindingPolicyComputer = new BindingPolicyComputer();
- this.implPolicyComputer = new ImplementationPolicyComputer();
- }
-
- /**
- * Wire component references to component services and connect promoted
- * services/references to component services/references inside a composite.
- *
- * @param composite
- */
- public void wireComposite(Composite composite) {
-
- // Wire nested composites recursively
- for (Component component : composite.getComponents()) {
- Implementation implementation = component.getImplementation();
- if (implementation instanceof Composite) {
- wireComposite((Composite)implementation);
- }
- }
-
- // Index components, services and references
- Map<String, Component> components = new HashMap<String, Component>();
- Map<String, ComponentService> componentServices = new HashMap<String, ComponentService>();
- Map<String, ComponentReference> componentReferences = new HashMap<String, ComponentReference>();
- indexComponentsServicesAndReferences(composite, components, componentServices, componentReferences);
-
- // Connect composite services and references to the component
- // services and references that they promote
- connectCompositeServices(composite, components, componentServices);
- connectCompositeReferences(composite, componentReferences);
-
- // Compute the policies before connecting component references
- computePolicies(composite);
-
- // Connect component references as described in wires
- connectWires(composite, componentServices, componentReferences);
-
- // Connect component references to their targets
- connectComponentReferences(composite, components, componentServices, componentReferences);
-
- // Validate that references are wired or promoted, according
- // to their multiplicity
- for (ComponentReference componentReference : componentReferences.values()) {
- if (!ReferenceUtil.validateMultiplicityAndTargets(componentReference.getMultiplicity(), componentReference
- .getTargets(), componentReference.getBindings())) {
- if (componentReference.getTargets().isEmpty()) {
-
- // No warning if the reference is promoted out of the current composite
- boolean promoted = false;
- for (Reference reference : composite.getReferences()) {
- CompositeReference compositeReference = (CompositeReference)reference;
- if (compositeReference.getPromotedReferences().contains(componentReference)) {
- promoted = true;
- break;
- }
- }
- if (!promoted && !componentReference.isCallback()) {
- warning("No targets for reference: " + componentReference.getName(), composite);
- }
- } else {
- warning("Too many targets on reference: " + componentReference.getName(), composite);
- }
- }
- }
- }
-
- /**
- * Index components, services and references inside a composite.
- * @param composite
- * @param components
- * @param componentServices
- * @param componentReferences
- */
- private void indexComponentsServicesAndReferences(Composite composite,
- Map<String, Component> components,
- Map<String, ComponentService> componentServices,
- Map<String, ComponentReference> componentReferences) {
-
- for (Component component : composite.getComponents()) {
-
- // Index components by name
- components.put(component.getName(), component);
-
- ComponentService nonCallbackService = null;
- int nonCallbackServices = 0;
- for (ComponentService componentService : component.getServices()) {
-
- // Index component services by component name / service name
- String uri = component.getName() + '/' + componentService.getName();
- componentServices.put(uri, componentService);
- if (!componentService.isCallback()) {
-
- // Check how many non callback services we have
- if (nonCallbackServices == 0) {
- nonCallbackService = componentService;
- }
- nonCallbackServices++;
- }
- }
- if (nonCallbackServices == 1) {
- // If we have a single non callback service, index it by
- // component name as well
- componentServices.put(component.getName(), nonCallbackService);
- }
-
- // Index references by component name / reference name
- for (ComponentReference componentReference : component.getReferences()) {
- String uri = component.getName() + '/' + componentReference.getName();
- componentReferences.put(uri, componentReference);
- }
- }
- }
-
- /**
- * Report a warning.
- *
- * @param problems
- * @param message
- * @param model
- */
- private void warning(String message, Object model) {
- monitor.problem(new ProblemImpl(Severity.WARNING, message, model));
- }
-
- /**
- * Connect composite services to the component services that they promote.
- *
- * @param composite
- * @param componentServices
- * @param problems
- */
- private void connectCompositeServices(Composite composite,
- Map<String, Component> components,
- Map<String, ComponentService> componentServices) {
-
- // Propagate interfaces from inner composite components' services to
- // their component services
- for (Component component : composite.getComponents()) {
- if (component.getImplementation() instanceof Composite) {
- for (ComponentService componentService : component.getServices()) {
- Service service = componentService.getService();
- if (service != null) {
- if (componentService.getInterfaceContract() == null) {
- componentService.setInterfaceContract(service.getInterfaceContract());
- }
- }
- }
- }
- }
-
- // Connect composite services to the component services that they
- // promote
- for (Service service : composite.getServices()) {
- CompositeService compositeService = (CompositeService)service;
- ComponentService componentService = compositeService.getPromotedService();
- if (componentService != null && componentService.isUnresolved()) {
-
- String promotedComponentName = compositeService.getPromotedComponent().getName();
- String promotedServiceName;
- if (componentService.getName() != null) {
- promotedServiceName = promotedComponentName + '/' + componentService.getName();
- } else {
- promotedServiceName = promotedComponentName;
- }
- ComponentService promotedService = componentServices.get(promotedServiceName);
- if (promotedService != null) {
-
- // Point to the resolved component
- Component promotedComponent = components.get(promotedComponentName);
- compositeService.setPromotedComponent(promotedComponent);
-
- // Point to the resolved component service
- compositeService.setPromotedService(promotedService);
-
- // Use the interface contract from the component service if
- // none is specified on the composite service
- if (compositeService.getInterfaceContract() == null) {
- compositeService.setInterfaceContract(promotedService.getInterfaceContract());
- }
-
- } else {
- warning("Promoted component service not found: " + promotedServiceName, composite);
- }
- }
- }
-
- }
-
- /**
- * Resolves promoted references.
- *
- * @param composite
- * @param componentReferences
- * @param problems
- */
- private void connectCompositeReferences(Composite composite, Map<String, ComponentReference> componentReferences) {
-
- // Propagate interfaces from inner composite components' references to
- // their component references
- for (Component component : composite.getComponents()) {
- if (component.getImplementation() instanceof Composite) {
- for (ComponentReference componentReference : component.getReferences()) {
- Reference reference = componentReference.getReference();
- if (reference != null) {
- if (componentReference.getInterfaceContract() == null) {
- componentReference.setInterfaceContract(reference.getInterfaceContract());
- }
- }
- }
- }
- }
-
- // Connect composite references to the component references
- // that they promote
- for (Reference reference : composite.getReferences()) {
- CompositeReference compositeReference = (CompositeReference)reference;
- List<ComponentReference> promotedReferences = compositeReference.getPromotedReferences();
- for (int i = 0, n = promotedReferences.size(); i < n; i++) {
- ComponentReference componentReference = promotedReferences.get(i);
- if (componentReference.isUnresolved()) {
- String componentReferenceName = componentReference.getName();
- componentReference = componentReferences.get(componentReferenceName);
- if (componentReference != null) {
-
- // Point to the resolved component reference
- promotedReferences.set(i, componentReference);
-
- // Use the interface contract from the component
- // reference if none
- // is specified on the composite reference
- if (compositeReference.getInterfaceContract() == null) {
- compositeReference.setInterfaceContract(componentReference.getInterfaceContract());
- }
-
- } else {
- warning("Promoted component reference not found: " + componentReferenceName, composite);
- }
- }
- }
- }
- }
-
- private List<Target> createComponentReferenceTargets(Composite composite,
- Map<String, Component> components,
- Map<String, ComponentService> componentServices,
- ComponentReference componentReference) {
- List<Target> targets = new ArrayList<Target>();
-
- if (componentReference.getAutowire() == Boolean.TRUE) {
-
- // Find suitable targets in the current composite for an
- // autowired reference
- Multiplicity multiplicity = componentReference.getMultiplicity();
- for (Component targetComponent : composite.getComponents()) {
- for (ComponentService targetComponentService : targetComponent.getServices()) {
- if (componentReference.getInterfaceContract() == null ||
- interfaceContractMapper.isCompatible(componentReference.getInterfaceContract(), targetComponentService.getInterfaceContract())) {
- Target target = new Target(targetComponent, targetComponentService);
- targets.add(target);
- if (multiplicity == Multiplicity.ZERO_ONE || multiplicity == Multiplicity.ONE_ONE) {
- break;
- }
- }
- }
- }
-
- if (multiplicity == Multiplicity.ONE_N || multiplicity == Multiplicity.ONE_ONE) {
- if (targets.size() == 0) {
- warning("No target services found for the component reference to be autowired: " + componentReference
- .getName(),
- componentReference);
- }
- }
-
- } else if (!componentReference.getTargets().isEmpty()) {
-
- // Resolve targets specified on the component reference
- for (ComponentService componentService : componentReference.getTargets()) {
-
- // Resolve the target component and service
- String name = componentService.getName();
- ComponentService targetComponentService = componentServices.get(name);
- Component targetComponent;
- int s = name.indexOf('/');
- if (s == -1) {
- targetComponent = components.get(name);
- } else {
- targetComponent = components.get(name.substring(0, s));
- }
-
- if (targetComponentService != null) {
-
- // Check that the target component service provides
- // a superset of the component reference interface
- if (componentReference.getInterfaceContract() == null ||
- interfaceContractMapper.isCompatible(componentReference.getInterfaceContract(), targetComponentService.getInterfaceContract())) {
-
- Target target = new Target(targetComponent, targetComponentService);
- targets.add(target);
-
- // mark the reference target as resolved. Used later when we are looking to
- // see if an sca binding is associated with a resolved target or not
- componentService.setUnresolved(false);
- } else {
- warning("Incompatible interfaces on component reference and target: " + componentReference
- .getName()
- + " : "
- + componentService.getName(),
- composite);
- }
- } else {
- // add all the reference bindings into the target so that they
- // can be used for comparison when the target is resolved at runtime
- componentService.getBindings().addAll(componentReference.getBindings());
-
- // The bindings will be cloned back into the reference when the
- // target is finally resolved.
-
- warning("Component reference target not found, it might be a remote service: " + componentService.getName(), composite);
- }
- }
- } else if (componentReference.getReference() != null) {
-
- // Resolve targets from the corresponding reference in the
- // componentType
- for (ComponentService componentService : componentReference.getReference().getTargets()) {
-
- // Resolve the target component and service
- String name = componentService.getName();
- ComponentService targetComponentService = componentServices.get(name);
- Component targetComponent;
- int s = name.indexOf('/');
- if (s == -1) {
- targetComponent = components.get(name);
- } else {
- targetComponent = components.get(name.substring(0, s));
- }
-
- if (targetComponentService != null) {
-
- // Check that the target component service provides
- // a superset of
- // the component reference interface
- if (componentReference.getInterfaceContract() == null ||
- interfaceContractMapper.isCompatible(componentReference.getInterfaceContract(), targetComponentService.getInterfaceContract())) {
-
- Target target = new Target(targetComponent, targetComponentService);
- targets.add(target);
-
- // mark the reference target as resolved. Used later when we are looking to
- // see if an sca binding is associated with a resolved target or not
- componentService.setUnresolved(false);
- } else {
- warning("Incompatible interfaces on component reference and target: " + componentReference
- .getName()
- + " : "
- + componentService.getName(),
- composite);
- }
- } else {
- // add all the reference bindings into the target so that they
- // can be used for comparison when the target is resolved at runtime
- componentService.getBindings().addAll(componentReference.getBindings());
-
- // The bindings will be cloned back into the reference when the
- // target is finally resolved.
-
- warning("Component reference target from component type not found, it might be a remote service: " + componentService.getName(), composite);
- }
- }
- }
- return targets;
- }
-
-
- /**
- * Connect references to their targets.
- *
- * @param composite
- * @param componentServices
- * @param componentReferences
- * @param problems
- */
- private void connectComponentReferences(Composite composite,
- Map<String, Component> components,
- Map<String, ComponentService> componentServices,
- Map<String, ComponentReference> componentReferences) {
- for (ComponentReference componentReference : componentReferences.values()) {
-
- List<Target> targets = createComponentReferenceTargets(composite,
- components,
- componentServices,
- componentReference);
-
- // Select the reference bindings matching the target service bindings
- List<Binding> selectedBindings = new ArrayList<Binding>();
-
- // Handle callback
- boolean bidirectional = false;
- if (componentReference.getInterfaceContract() != null && componentReference.getInterfaceContract().getCallbackInterface() != null) {
- bidirectional = true;
- }
- List<Binding> selectedCallbackBindings = bidirectional ? new ArrayList<Binding>() : null;
-
- for (Target target : targets) {
-
- Component targetComponent = target.getComponent();
- ComponentService targetComponentService = target.getService();
- if (targetComponentService.getService() instanceof CompositeService) {
- CompositeService compositeService = (CompositeService) targetComponentService.getService();
- // Find the promoted component service
- targetComponentService = CompositeConfigurationBuilderImpl.getPromotedComponentService(compositeService);
- }
-
- try {
- bindingPolicyComputer.determineApplicableBindingPolicySets(componentReference, targetComponentService);
- } catch ( Exception e ) {
- warning("Policy related exception: " + e, e);
- //throw new RuntimeException(e);
- }
-
- // Match the binding against the bindings of the target service
- Binding selected = BindingUtil.resolveBindings(componentReference, targetComponent, targetComponentService);
- if (selected == null) {
- warning("Component reference doesn't have a matching binding", componentReference);
- } else {
- selectedBindings.add(selected);
- }
- if (bidirectional) {
- Binding selectedCallback = BindingUtil.resolveCallbackBindings(componentReference, targetComponent, targetComponentService);
- if (selectedCallback != null) {
- selectedCallbackBindings.add(selectedCallback);
- }
- }
- }
-
- if (!targets.isEmpty()) {
-
- // Add all the effective bindings
- componentReference.getBindings().clear();
- componentReference.getBindings().addAll(selectedBindings);
- if (bidirectional) {
- componentReference.getCallback().getBindings().clear();
- componentReference.getCallback().getBindings().addAll(selectedCallbackBindings);
- }
- }
-
- // Need to tidy up the reference binding list. The situation so far...
- // Wired reference (1 or more targets are specified)
- // Binding.uri = null - remove as its left over from target resolution
- // the binding will have been moved to the target from where
- // it will be resolved later
- // Binding.uri != null - the reference was resolved
- // Unwired reference (0 targets)
- // Binding.uri = null - Either a callback reference or the reference is yet to be wired
- // either manually or via autowire so leave the binding where it is
- // Binding.uri != null - from the composite file so leave it
- if (componentReference.getTargets().size() > 0){
- List<Binding> bindingsToRemove = new ArrayList<Binding>();
- for(Binding binding : componentReference.getBindings()){
- if(binding.getURI() == null){
- bindingsToRemove.add(binding);
- }
- }
-
- componentReference.getBindings().removeAll(bindingsToRemove);
- }
- }
- }
-
- /**
- * Resolve wires and connect the sources to their targets
- *
- * @param composite
- * @param componentServices
- * @param componentReferences
- * @param problems
- */
- private void connectWires(Composite composite,
- Map<String, ComponentService> componentServices,
- Map<String, ComponentReference> componentReferences) {
-
- // For each wire, resolve the source reference, the target service, and
- // add it to the list of targets of the reference
- List<Wire> wires = composite.getWires();
- for (int i = 0, n = wires.size(); i < n; i++) {
- Wire wire = wires.get(i);
-
- ComponentReference resolvedReference;
- ComponentService resolvedService;
-
- // Resolve the source reference
- ComponentReference source = wire.getSource();
- if (source != null && source.isUnresolved()) {
- resolvedReference = componentReferences.get(source.getName());
- if (resolvedReference != null) {
- wire.setSource(resolvedReference);
- } else {
- warning("Wire source not found: " + source.getName(), composite);
- }
- } else {
- resolvedReference = wire.getSource();
- }
-
- // Resolve the target service
- ComponentService target = wire.getTarget();
- if (target != null && target.isUnresolved()) {
- resolvedService = componentServices.get(target.getName());
- if (resolvedService != null) {
- wire.setTarget(target);
- } else {
- warning("Wire target not found: " + source.getName(), composite);
- }
- } else {
- resolvedService = wire.getTarget();
- }
-
- // Add the target service to the list of targets of the
- // reference
- if (resolvedReference != null && resolvedService != null) {
- // Check that the target component service provides
- // a superset of
- // the component reference interface
- if (resolvedReference.getInterfaceContract() == null || interfaceContractMapper
- .isCompatible(resolvedReference.getInterfaceContract(), resolvedService.getInterfaceContract())) {
-
- //resolvedReference.getTargets().add(resolvedService);
- resolvedReference.getTargets().add(wire.getTarget());
- } else {
- warning("Incompatible interfaces on wire source and target: " + source.getName()
- + " : "
- + target.getName(), composite);
- }
- }
- }
-
- // Clear the list of wires
- composite.getWires().clear();
- }
-
- /**
- * Wire composite references in nested composites.
- *
- * @param composite
- * @param problems
- */
- public void wireCompositeReferences(Composite composite) {
-
- // Process nested composites recursively
- for (Component component : composite.getComponents()) {
- Implementation implementation = component.getImplementation();
- if (implementation instanceof Composite) {
- wireCompositeReferences((Composite)implementation);
- }
- }
-
- // Process composite references declared in this composite
- for (Reference reference : composite.getReferences()) {
- CompositeReference compositeReference = (CompositeReference)reference;
- List<ComponentReference> promotedReferences = getPromotedComponentReferences(compositeReference);
- for (ComponentReference promotedReference : promotedReferences) {
-
- reconcileReferenceBindings(compositeReference, promotedReference);
- if (compositeReference.getInterfaceContract() != null && // can be null in unit tests
- compositeReference.getInterfaceContract().getCallbackInterface() != null) {
- SCABinding scaCallbackBinding = promotedReference.getCallbackBinding(SCABinding.class);
- if (promotedReference.getCallback() != null) {
- promotedReference.getCallback().getBindings().clear();
- } else {
- promotedReference.setCallback(assemblyFactory.createCallback());
- }
- if (scaCallbackBinding != null) {
- promotedReference.getCallback().getBindings().add(scaCallbackBinding);
- }
- if (compositeReference.getCallback() != null) {
- promotedReference.getCallback().getBindings().addAll(compositeReference.getCallback()
- .getBindings());
- }
- }
- }
- }
-
- // Process the component references declared on components
- // in this composite
- for (Component component : composite.getComponents()) {
- Implementation implementation = component.getImplementation();
- if (implementation instanceof Composite) {
- for (ComponentReference componentReference : component.getReferences()) {
- Reference implReference = componentReference.getReference();
- if (implReference != null && implReference instanceof CompositeReference) {
- CompositeReference compositeReference = (CompositeReference)implReference;
- List<ComponentReference> promotedReferences =
- getPromotedComponentReferences(compositeReference);
- for (ComponentReference promotedReference : promotedReferences) {
-
- // Override the configuration of the promoted reference
- reconcileReferenceBindings(componentReference, promotedReference);
- if (componentReference.getInterfaceContract() != null && // can be null in unit tests
- componentReference.getInterfaceContract().getCallbackInterface() != null) {
- SCABinding scaCallbackBinding = promotedReference.getCallbackBinding(SCABinding.class);
- if (promotedReference.getCallback() != null) {
- promotedReference.getCallback().getBindings().clear();
- } else {
- promotedReference.setCallback(assemblyFactory.createCallback());
- }
- if (scaCallbackBinding != null) {
- promotedReference.getCallback().getBindings().add(scaCallbackBinding);
- }
- if (componentReference.getCallback() != null) {
- promotedReference.getCallback().getBindings().addAll(componentReference
- .getCallback().getBindings());
- }
- }
-
- // Wire the promoted reference to the actual
- // non-composite component services
- if (promotedReference.getMultiplicity() == Multiplicity.ONE_ONE || promotedReference
- .getMultiplicity() == Multiplicity.ONE_ONE) {
- // promotedReference.getTargets().clear();
- }
- for (ComponentService target : componentReference.getTargets()) {
- if (target.getService() instanceof CompositeService) {
-
- // Wire to the actual component service
- // promoted by a composite service
- CompositeService compositeService = (CompositeService)target.getService();
- // Find the promoted component service
- ComponentService componentService = CompositeConfigurationBuilderImpl.getPromotedComponentService(compositeService);
- if (componentService != null) {
- promotedReference.getTargets().add(componentService);
- }
- } else {
-
- // Wire to a non-composite target service
- promotedReference.getTargets().add(target);
- }
- }
- }
- }
- }
- } else {
- for (ComponentReference componentReference : component.getReferences()) {
-
- // Wire the component reference to the actual
- // non-composite component services
- List<ComponentService> targets = componentReference.getTargets();
- for (int i = 0, n = targets.size(); i < n; i++) {
- ComponentService target = targets.get(i);
- if (target.getService() instanceof CompositeService) {
-
- // Wire to the actual component service
- // promoted by a composite service
- CompositeService compositeService = (CompositeService)target.getService();
- ComponentService componentService = compositeService.getPromotedService();
- if (componentService != null) {
- targets.set(i, componentService);
- }
- }
- }
- }
- }
- }
- }
-
- /**
- * Follow a reference promotion chain down to the inner most (non composite)
- * component references.
- *
- * @param compositeReference
- * @return
- */
- private List<ComponentReference> getPromotedComponentReferences(CompositeReference compositeReference) {
- List<ComponentReference> componentReferences = new ArrayList<ComponentReference>();
- collectPromotedComponentReferences(compositeReference, componentReferences);
- return componentReferences;
- }
-
- /**
- * Follow a reference promotion chain down to the inner most (non composite)
- * component references.
- *
- * @param compositeReference
- * @param componentReferences
- * @return
- */
- private void collectPromotedComponentReferences(CompositeReference compositeReference,
- List<ComponentReference> componentReferences) {
- for (ComponentReference componentReference : compositeReference.getPromotedReferences()) {
- Reference reference = componentReference.getReference();
- if (reference instanceof CompositeReference) {
-
- // Continue to follow the reference promotion chain
- collectPromotedComponentReferences((CompositeReference)reference, componentReferences);
-
- } else if (reference != null) {
-
- // Found a non-composite reference
- componentReferences.add(componentReference);
- }
- }
- }
-
- /**
- * Override the bindings for a promoted reference from an outer component
- * reference
- *
- * @param reference
- * @param promotedReference
- */
- private void reconcileReferenceBindings(Reference reference, ComponentReference promotedReference) {
- Set<Binding> bindings = new HashSet<Binding>();
- bindings.addAll(promotedReference.getBindings());
- bindings.addAll(reference.getBindings());
- promotedReference.getBindings().clear();
- for (Binding binding : bindings) {
- if ((!(binding instanceof OptimizableBinding)) || binding.getURI() != null) {
- promotedReference.getBindings().add(binding);
- }
- }
- if (promotedReference.getMultiplicity() == Multiplicity.ONE_ONE || promotedReference.getMultiplicity() == Multiplicity.ZERO_ONE) {
- if (promotedReference.getBindings().size() > 1) {
- warning("Component reference " + promotedReference.getName() + " has more than one wires",
- promotedReference);
- }
- }
- Set<Binding> callbackBindings = new HashSet<Binding>();
- if (promotedReference.getCallback() != null) {
- callbackBindings.addAll(promotedReference.getCallback().getBindings());
- }
- if (reference.getCallback() != null) {
- callbackBindings.addAll(reference.getCallback().getBindings());
- }
- promotedReference.setCallback(assemblyFactory.createCallback());
- for (Binding binding : callbackBindings) {
- if ((!(binding instanceof OptimizableBinding)) || binding.getURI() != null) {
- promotedReference.getCallback().getBindings().add(binding);
- }
- }
- }
-
- private void addPoliciesFromPromotedService(CompositeService compositeService) {
- //inherit intents and policies from promoted service
- PolicyComputationUtils.addInheritedIntents(compositeService.getPromotedService().getRequiredIntents(),
- compositeService.getRequiredIntents());
- PolicyComputationUtils.addInheritedPolicySets(compositeService.getPromotedService().getPolicySets(),
- compositeService.getPolicySets(), true);
- addInheritedOperationConfigurations(compositeService.getPromotedService(), compositeService);
- }
-
- private void addPoliciesFromPromotedReference(CompositeReference compositeReference) {
- for ( Reference promotedReference : compositeReference.getPromotedReferences() ) {
- PolicyComputationUtils.addInheritedIntents(promotedReference.getRequiredIntents(),
- compositeReference.getRequiredIntents());
-
- PolicyComputationUtils.addInheritedPolicySets(promotedReference.getPolicySets(),
- compositeReference.getPolicySets(), true);
- addInheritedOperationConfigurations(promotedReference, compositeReference);
- }
- }
-
-
- public void computePolicies(Composite composite) {
-
- //compute policies for composite service bindings
- for (Service service : composite.getServices()) {
- addPoliciesFromPromotedService((CompositeService)service);
- try {
- //compute the intents for operations under service element
- bindingPolicyComputer.computeIntentsForOperations(service);
- //add or merge service operations to the binding
- //addInheritedOpConfOnBindings(service);
- bindingPolicyComputer.computeBindingIntentsAndPolicySets(service);
- bindingPolicyComputer.determineApplicableBindingPolicySets(service, null);
- } catch ( Exception e ) {
- warning("Policy related exception: " + e, e);
- //throw new RuntimeException(e);
- }
-
- }
-
- for (Reference reference : composite.getReferences()) {
- CompositeReference compReference = (CompositeReference)reference;
- addPoliciesFromPromotedReference(compReference);
- try {
- //compute the intents for operations under service element
- bindingPolicyComputer.computeIntentsForOperations(reference);
- //addInheritedOpConfOnBindings(reference);
-
- if (compReference.getCallback() != null) {
- PolicyComputationUtils.addInheritedIntents(compReference.getRequiredIntents(),
- compReference.getCallback().getRequiredIntents());
- PolicyComputationUtils.addInheritedPolicySets(compReference.getPolicySets(),
- compReference.getCallback().getPolicySets(),
- false);
- }
-
- bindingPolicyComputer.computeBindingIntentsAndPolicySets(reference);
- bindingPolicyComputer.determineApplicableBindingPolicySets(reference, null);
- } catch ( Exception e ) {
- warning("Policy related exception: " + e, e);
- //throw new RuntimeException(e);
- }
- }
-
- for (Component component : composite.getComponents()) {
- Implementation implemenation = component.getImplementation();
- try {
- implPolicyComputer.computeImplementationIntentsAndPolicySets(implemenation, component);
- } catch ( Exception e ) {
- warning("Policy related exception: " + e, e);
- //throw new RuntimeException(e);
- }
-
- for (ComponentService componentService : component.getServices()) {
- Service service = componentService.getService();
- if (service != null) {
- // reconcile intents and policysets from componentType
- PolicyComputationUtils.addInheritedIntents(service.getRequiredIntents(), componentService.getRequiredIntents());
- PolicyComputationUtils.addInheritedPolicySets(service.getPolicySets(), componentService.getPolicySets(), true);
-
- //reconcile intents and policysets for operations
- boolean notFound;
- List<ConfiguredOperation> opsFromComponentType = new ArrayList<ConfiguredOperation>();
- for ( ConfiguredOperation ctsConfOp : service.getConfiguredOperations() ) {
- notFound = true;
- for ( ConfiguredOperation csConfOp : componentService.getConfiguredOperations() ) {
- if ( csConfOp.getName().equals(ctsConfOp.getName()) ) {
- PolicyComputationUtils.addInheritedIntents(ctsConfOp.getRequiredIntents(), csConfOp.getRequiredIntents());
- PolicyComputationUtils.addInheritedPolicySets(ctsConfOp.getPolicySets(), csConfOp.getPolicySets(), true);
- notFound = false;
- }
- }
-
- if ( notFound ) {
- opsFromComponentType.add(ctsConfOp);
- }
- }
- componentService.getConfiguredOperations().addAll(opsFromComponentType);
- }
-
- try {
- //compute the intents for operations under service element
- bindingPolicyComputer.computeIntentsForOperations(componentService);
- //compute intents and policyset for each binding
- //addInheritedOpConfOnBindings(componentService);
- bindingPolicyComputer.computeBindingIntentsAndPolicySets(componentService);
- bindingPolicyComputer.determineApplicableBindingPolicySets(componentService, null);
-
- } catch ( Exception e ) {
- warning("Policy related exception: " + e, e);
- //throw new RuntimeException(e);
- }
- }
-
- for (ComponentReference componentReference : component.getReferences()) {
- Reference reference = componentReference.getReference();
- if (reference != null) {
- // reconcile intents and policysets
- PolicyComputationUtils.addInheritedIntents(reference.getRequiredIntents(), componentReference.getRequiredIntents());
- PolicyComputationUtils.addInheritedPolicySets(reference.getPolicySets(), componentReference.getPolicySets(), true);
- }
-
-
- try {
- //compute the intents for operations under reference element
- bindingPolicyComputer.computeIntentsForOperations(componentReference);
- //compute intents and policyset for each binding
- //addInheritedOpConfOnBindings(componentReference);
- bindingPolicyComputer.computeBindingIntentsAndPolicySets(componentReference);
- bindingPolicyComputer.determineApplicableBindingPolicySets(componentReference, null);
-
-
- if ( componentReference.getCallback() != null ) {
- PolicyComputationUtils.addInheritedIntents(componentReference.getRequiredIntents(),
- componentReference.getCallback().getRequiredIntents());
- PolicyComputationUtils.addInheritedPolicySets(componentReference.getPolicySets(),
- componentReference.getCallback().getPolicySets(),
- false);
- }
- } catch ( Exception e ) {
- warning("Policy related exception: " + e, e);
- //throw new RuntimeException(e);
- }
- }
- }
- }
-
- private void addInheritedOperationConfigurations(OperationsConfigurator source,
- OperationsConfigurator target) {
- boolean found = false;
-
- List<ConfiguredOperation> additionalOperations = new ArrayList<ConfiguredOperation>();
- for ( ConfiguredOperation sourceConfOp : source.getConfiguredOperations() ) {
- for ( ConfiguredOperation targetConfOp : target.getConfiguredOperations() ) {
- if ( sourceConfOp.getName().equals(targetConfOp.getName())) {
- PolicyComputationUtils.addInheritedIntents(sourceConfOp.getRequiredIntents(),
- targetConfOp.getRequiredIntents());
- PolicyComputationUtils.addInheritedPolicySets(sourceConfOp.getPolicySets(),
- targetConfOp.getPolicySets(), true);
- found = true;
- break;
- }
- }
-
- if ( !found ) {
- additionalOperations.add(sourceConfOp);
- }
- }
-
- if ( !additionalOperations.isEmpty() ) {
- target.getConfiguredOperations().addAll(additionalOperations);
- }
- }
-
-}
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