diff options
Diffstat (limited to '')
| -rw-r--r-- | branches/sca-android/tuscany-assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/BindingPolicyComputer.java | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/branches/sca-android/tuscany-assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/BindingPolicyComputer.java b/branches/sca-android/tuscany-assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/BindingPolicyComputer.java deleted file mode 100644 index ec25c8e2a7..0000000000 --- a/branches/sca-android/tuscany-assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/BindingPolicyComputer.java +++ /dev/null @@ -1,262 +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.Hashtable;
-import java.util.List;
-
-import javax.xml.namespace.QName;
-
-import org.apache.tuscany.sca.assembly.Binding;
-import org.apache.tuscany.sca.assembly.ConfiguredOperation;
-import org.apache.tuscany.sca.assembly.Contract;
-import org.apache.tuscany.sca.assembly.OperationsConfigurator;
-import org.apache.tuscany.sca.assembly.Service;
-import org.apache.tuscany.sca.policy.Intent;
-import org.apache.tuscany.sca.policy.IntentAttachPoint;
-import org.apache.tuscany.sca.policy.IntentAttachPointType;
-import org.apache.tuscany.sca.policy.PolicySet;
-import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
-import org.apache.tuscany.sca.policy.util.PolicyComputationUtils;
-import org.apache.tuscany.sca.policy.util.PolicyValidationException;
-
-/**
- * Policy computation methods pertaining to computing Binding policies
- */
-public class BindingPolicyComputer extends PolicyComputer {
-
- public BindingPolicyComputer() {
- super();
- }
-
- public void computeBindingIntentsAndPolicySets(Contract contract) throws PolicyValidationException {
- for (Binding binding : contract.getBindings()) {
- if (binding instanceof PolicySetAttachPoint) {
- computeIntents((IntentAttachPoint)binding, contract.getRequiredIntents());
-
- aggregateAndPruneApplicablePolicySets(contract.getApplicablePolicySets(),
- ((PolicySetAttachPoint)binding).getApplicablePolicySets());
-
- computePolicySets((PolicySetAttachPoint)binding, contract.getPolicySets());
-
- if ( binding instanceof OperationsConfigurator &&
- contract instanceof OperationsConfigurator ) {
- //add or merge service operations to the binding
- addInheritedOpConfOnBindings((OperationsConfigurator)contract,
- (OperationsConfigurator)binding,
- (PolicySetAttachPoint)binding);
-
- computeIntentsForOperations((IntentAttachPoint)binding);
- computePolicySetsForOperations(contract.getApplicablePolicySets(),
- (PolicySetAttachPoint)binding);
- }
- }
- }
-
- if ( contract.getCallback() != null ) {
- for (Binding binding : contract.getCallback().getBindings()) {
- if (binding instanceof PolicySetAttachPoint) {
- computeIntents((IntentAttachPoint)binding, contract.getCallback().getRequiredIntents());
-
- aggregateAndPruneApplicablePolicySets(contract.getApplicablePolicySets(),
- ((PolicySetAttachPoint)binding).getApplicablePolicySets());
-
- computePolicySets((PolicySetAttachPoint)binding, contract.getCallback().getPolicySets());
- }
- }
- }
- }
-
-
- private void computeIntents(IntentAttachPoint policiedBinding, List<Intent> inheritedIntents)
- throws PolicyValidationException {
- //since the parent component could also contain intents that apply to implementation
- //and binding elements within, we filter out only those that apply to this binding type
- List<Intent> prunedIntents = computeInheritableIntents(policiedBinding.getType(),
- inheritedIntents);
- policiedBinding.getRequiredIntents().addAll(prunedIntents);
-
- normalizeIntents(policiedBinding);
- }
-
-
- private void computePolicySets(PolicySetAttachPoint policiedBinding,
- List<PolicySet> inheritedPolicySets) throws PolicyValidationException {
-
- List<PolicySet> prunedPolicySets = computeInheritablePolicySets(inheritedPolicySets,
- policiedBinding.getApplicablePolicySets());
- policiedBinding.getPolicySets().addAll(prunedPolicySets);
- normalizePolicySets(policiedBinding);
- }
-
- public void determineApplicableBindingPolicySets(Contract source, Contract target) throws PolicyComputationException {
- List<Intent> intentsCopy = null;
- for (Binding aBinding : source.getBindings()) {
- if (aBinding instanceof PolicySetAttachPoint) {
- PolicySetAttachPoint policiedBinding = (PolicySetAttachPoint)aBinding;
- IntentAttachPointType bindingType = policiedBinding.getType();
-
-
- intentsCopy = new ArrayList<Intent>(policiedBinding.getRequiredIntents());
- // add the target component's intents to the reference binding
- if (target != null) {
- for (Intent intent : target.getRequiredIntents()) {
- if (!policiedBinding.getRequiredIntents().contains(intent)) {
- for (QName constrained : intent.getConstrains()) {
- if (bindingType != null && bindingType.getName().getNamespaceURI()
- .equals(constrained.getNamespaceURI())
- && bindingType.getName().getLocalPart().startsWith(constrained
- .getLocalPart())) {
- policiedBinding.getRequiredIntents().add(intent);
- break;
- }
- }
- }
- }
- }
-
- //trim intents specified in operations. First check for policysets specified on the operation
- //and then in the parent implementation
- if ( aBinding instanceof OperationsConfigurator ) {
- OperationsConfigurator opConfigurator = (OperationsConfigurator)aBinding;
-
- for ( ConfiguredOperation confOp : opConfigurator.getConfiguredOperations() ) {
- List<Intent> opsIntentsCopy = new ArrayList<Intent>(confOp.getRequiredIntents());
-
- trimInherentlyProvidedIntents(policiedBinding.getType(),
- confOp.getRequiredIntents());
- trimProvidedIntents(confOp.getRequiredIntents(), confOp.getPolicySets());
- trimProvidedIntents(confOp.getRequiredIntents(), policiedBinding.getPolicySets());
-
- determineApplicableDomainPolicySets(policiedBinding.getApplicablePolicySets(),
- confOp,
- policiedBinding.getType());
-
- if (confOp.getRequiredIntents().size() > 0) {
- new PolicyComputationException("The following are unfulfilled intents for operations configured in "
- + "binding - " + aBinding.getName() + "\nUnfulfilled Intents = " +
- confOp.getRequiredIntents());
- }
-
- //the intents list could have been trimmed when matching for policysets
- //since the bindings may need the original set of intents we copy that back
- confOp.getRequiredIntents().clear();
- confOp.getRequiredIntents().addAll(opsIntentsCopy);
-
- }
- }
-
- trimInherentlyProvidedIntents(policiedBinding.getType(),
- policiedBinding.getRequiredIntents());
- trimProvidedIntents(policiedBinding.getRequiredIntents(), policiedBinding
- .getPolicySets());
-
- // determine additional policysets that match remaining intents
- // TODO: resolved to domain policy registry and attach suitable
- // policy sets to the binding
- // for now using the SCA Definitions instead of registry
- // if there are intents that are not provided by any policy set
- // throw a warning
- determineApplicableDomainPolicySets(source, policiedBinding);
-
- //the intents list could have been trimmed when matching for policysets
- //since the bindings may need the original set of intents we copy that back
- policiedBinding.getRequiredIntents().clear();
- policiedBinding.getRequiredIntents().addAll(intentsCopy);
-
- }
- }
- }
-
- private void determineApplicableDomainPolicySets(Contract contract,
- PolicySetAttachPoint policiedBinding)
- throws PolicyComputationException {
- //if ( domainPolicySets != null) {
- determineApplicableDomainPolicySets(policiedBinding.getApplicablePolicySets(),
- policiedBinding,
- policiedBinding.getType());
-
- if ( policiedBinding.getRequiredIntents().size() > 0 ) {
- if ( contract instanceof Service ) {
- throw new PolicyComputationException("The following are unfulfilled intents for " +
- "binding in service - " + contract.getName() + "\nUnfulfilled Intents = " +
- policiedBinding.getRequiredIntents());
- } else {
- throw new PolicyComputationException("The are unfulfilled intents for " +
- "binding in reference - " + contract.getName() + "\nUnfulfilled Intents = " +
- policiedBinding.getRequiredIntents());
- }
- }
- //}
- }
-
- private void addInheritedOpConfOnBindings(OperationsConfigurator source,
- OperationsConfigurator target,
- PolicySetAttachPoint attachPoint) throws PolicyValidationException {
- 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())) {
- List<Intent> prunedIntents = computeInheritableIntents(attachPoint.getType(),
- sourceConfOp.getRequiredIntents());
- PolicyComputationUtils.addInheritedIntents(prunedIntents,
- targetConfOp.getRequiredIntents());
-
- List<PolicySet> prunedPolicySets = computeInheritablePolicySets(sourceConfOp.getPolicySets(),
- attachPoint.getApplicablePolicySets());
- PolicyComputationUtils.addInheritedPolicySets(prunedPolicySets, targetConfOp.getPolicySets(), true);
- found = true;
- break;
- }
- }
-
- if ( !found ) {
- additionalOperations.add(sourceConfOp);
- }
- }
-
- if ( !additionalOperations.isEmpty() ) {
- target.getConfiguredOperations().addAll(additionalOperations);
- }
- }
-
- /*private void addInheritedOpConfOnBindings(Contract contract) {
- for ( Binding binding : contract.getBindings() ) {
- if ( binding instanceof OperationsConfigurator ) {
- addInheritedOperationConfigurations(contract, (OperationsConfigurator)binding);
- }
- }
- }*/
-
- private void aggregateAndPruneApplicablePolicySets(List<PolicySet> source, List<PolicySet> target) {
- target.addAll(source);
- //strip duplicates
- Hashtable<QName, PolicySet> policySetTable = new Hashtable<QName, PolicySet>();
- for ( PolicySet policySet : target ) {
- policySetTable.put(policySet.getName(), policySet);
- }
-
- target.clear();
- target.addAll(policySetTable.values());
- }
-}
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