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Diffstat (limited to 'java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java')
-rw-r--r--java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java223
1 files changed, 0 insertions, 223 deletions
diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java
deleted file mode 100644
index d4018e22a7..0000000000
--- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java
+++ /dev/null
@@ -1,223 +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.core.databinding.wire;
-
-import java.util.List;
-
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.core.UtilityExtensionPoint;
-import org.apache.tuscany.sca.databinding.Mediator;
-import org.apache.tuscany.sca.interfacedef.DataType;
-import org.apache.tuscany.sca.interfacedef.InterfaceContract;
-import org.apache.tuscany.sca.interfacedef.Operation;
-import org.apache.tuscany.sca.invocation.Interceptor;
-import org.apache.tuscany.sca.invocation.InvocationChain;
-import org.apache.tuscany.sca.invocation.Phase;
-import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
-import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
-import org.apache.tuscany.sca.runtime.RuntimeWireProcessor;
-
-/**
- * This processor is responsible to add an interceptor to invocation chain if
- * the source and target operations have different databinding requirements
- *
- * @version $Rev$ $Date$
- */
-public class DataBindingRuntimeWireProcessor implements RuntimeWireProcessor {
- private Mediator mediator;
-
- public DataBindingRuntimeWireProcessor(ExtensionPointRegistry registry) {
- super();
- this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class);
- }
-
- public boolean isTransformationRequired(DataType source, DataType target) {
- if (source == null || target == null) { // void return type
- return false;
- }
- if (source == target) {
- return false;
- }
-
- // Output type can be null
- if (source == null && target == null) {
- return false;
- } else if (source == null || target == null) {
- return true;
- }
- String sourceDataBinding = source.getDataBinding();
- String targetDataBinding = target.getDataBinding();
- if (sourceDataBinding == targetDataBinding) {
- return false;
- }
- if (sourceDataBinding == null || targetDataBinding == null) {
- // TODO: If any of the databinding is null, then no transformation
- return false;
- }
- return !sourceDataBinding.equals(targetDataBinding);
- }
-
- public boolean isTransformationRequired(Operation source, Operation target) {
- if (source == target) {
- return false;
- }
-
- if (source.isWrapperStyle() != target.isWrapperStyle()) {
- return true;
- }
-
- // Check output type
- DataType sourceOutputType = source.getOutputType();
- DataType targetOutputType = target.getOutputType();
-
- // Note the target output type is now the source for checking
- // compatibility
- if (isTransformationRequired(targetOutputType, sourceOutputType)) {
- return true;
- }
-
- List<DataType> sourceInputType = source.getInputType().getLogical();
- List<DataType> targetInputType = target.getInputType().getLogical();
-
- int size = sourceInputType.size();
- if (size != targetInputType.size()) {
- // TUSCANY-1682: The wrapper style may have different arguments
- return true;
- }
- for (int i = 0; i < size; i++) {
- if (isTransformationRequired(sourceInputType.get(i), targetInputType.get(i))) {
- return true;
- }
- }
-
- return false;
- }
-
- private boolean isTransformationRequired(InterfaceContract sourceContract,
- Operation sourceOperation,
- InterfaceContract targetContract,
- Operation targetOperation) {
- if (targetContract == null) {
- targetContract = sourceContract;
- }
- if (sourceContract == targetContract) {
- return false;
- }
- return isTransformationRequired(sourceOperation, targetOperation);
- }
-
- /**
- * FIXME: TUSCANY-2586, temporary work around till the JIRA is fixed to prevent
- * the PassByValueInterceptor being used for services when the binding protocol
- * doesn't need the copies done.
- */
- protected boolean isOnMessage(Operation op) {
- return "onMessage".equals(op.getName());
- }
-
- /**
- * Pass-by-value copies are required if the interfaces are remotable unless the
- * implementation uses the @AllowsPassByReference annotation.
- */
- protected boolean isRemotable(InvocationChain chain, Operation sourceOperation, Operation targetOperation) {
- if (!sourceOperation.getInterface().isRemotable()) {
- return false;
- }
- if (!targetOperation.getInterface().isRemotable()) {
- return false;
- }
- return true;
- }
-
- public void process(RuntimeEndpoint endpoint) {
- InterfaceContract sourceContract = endpoint.getBindingInterfaceContract();
- InterfaceContract targetContract = endpoint.getComponentTypeServiceInterfaceContract();
- if (targetContract == null) {
- targetContract = sourceContract;
- }
-
- if (!sourceContract.getInterface().isRemotable()) {
- return;
- }
- List<InvocationChain> chains = endpoint.getInvocationChains();
- for (InvocationChain chain : chains) {
- Operation sourceOperation = chain.getSourceOperation();
- Operation targetOperation = chain.getTargetOperation();
-
- Interceptor interceptor = null;
- if (isTransformationRequired(sourceContract, sourceOperation, targetContract, targetOperation)) {
- // Add the interceptor to the source side because multiple
- // references can be wired to the same service
- interceptor =
- new DataTransformationInterceptor(endpoint, sourceOperation, targetOperation, mediator);
- } else {
- // assume pass-by-values copies are required if interfaces are remotable and there is no data binding
- // transformation, i.e. a transformation will result in a copy so another pass-by-value copy is unnecessary
- if (!isOnMessage(targetOperation) && isRemotable(chain, sourceOperation, targetOperation)) {
- interceptor =
- new PassByValueInterceptor(mediator, chain, targetOperation);
- }
- }
- if (interceptor != null) {
- String phase = Phase.SERVICE_INTERFACE;
- chain.addInterceptor(phase, interceptor);
- }
- }
-
- }
-
- public void process(RuntimeEndpointReference endpointReference) {
- InterfaceContract sourceContract = endpointReference.getComponentTypeReferenceInterfaceContract();
- InterfaceContract targetContract = endpointReference.getBindingInterfaceContract();
- if (targetContract == null) {
- targetContract = sourceContract;
- }
-
- if (!sourceContract.getInterface().isRemotable()) {
- return;
- }
- List<InvocationChain> chains = endpointReference.getInvocationChains();
- for (InvocationChain chain : chains) {
- Operation sourceOperation = chain.getSourceOperation();
- Operation targetOperation = chain.getTargetOperation();
-
- Interceptor interceptor = null;
- if (isTransformationRequired(sourceContract, sourceOperation, targetContract, targetOperation)) {
- // Add the interceptor to the source side because multiple
- // references can be wired to the same service
- interceptor =
- new DataTransformationInterceptor(endpointReference, sourceOperation, targetOperation, mediator);
- } else {
- // assume pass-by-values copies are required if interfaces are remotable and there is no data binding
- // transformation, i.e. a transformation will result in a copy so another pass-by-value copy is unnecessary
- if (!isOnMessage(targetOperation) && isRemotable(chain, sourceOperation, targetOperation)) {
- interceptor =
- new PassByValueInterceptor(mediator, chain, targetOperation);
- }
- }
- if (interceptor != null) {
- String phase = Phase.REFERENCE_INTERFACE;
- chain.addInterceptor(phase, interceptor);
- }
- }
-
- }
-
-}