diff options
Diffstat (limited to 'sandbox/old/contrib/implementation-script/container.jsr223/src/main/java/org/apache/tuscany/extension/script/WireObjectFactory.java')
-rw-r--r-- | sandbox/old/contrib/implementation-script/container.jsr223/src/main/java/org/apache/tuscany/extension/script/WireObjectFactory.java | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/sandbox/old/contrib/implementation-script/container.jsr223/src/main/java/org/apache/tuscany/extension/script/WireObjectFactory.java b/sandbox/old/contrib/implementation-script/container.jsr223/src/main/java/org/apache/tuscany/extension/script/WireObjectFactory.java new file mode 100644 index 0000000000..9cec649cdb --- /dev/null +++ b/sandbox/old/contrib/implementation-script/container.jsr223/src/main/java/org/apache/tuscany/extension/script/WireObjectFactory.java @@ -0,0 +1,85 @@ +/* + * 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.extension.script; + +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.wire.ChainHolder; +import org.apache.tuscany.spi.wire.Wire; +import org.apache.tuscany.spi.wire.ProxyService; + +/** + * Uses a wire to return an object instance + * @Deprecated + * + * @version $Rev$ $Date$ + */ +public class WireObjectFactory<T> implements ObjectFactory<T> { + private Class<T> interfaze; + private Wire wire; + private ProxyService proxyService; + // the cache of proxy interface method to operation mappings + private Map<Method, ChainHolder> mappings; + private boolean optimizable; + + /** + * Constructor. + * + * @param interfaze the interface to inject on the client + * @param wire the backing wire + * @param proxyService the wire service to create the proxy + * @throws NoMethodForOperationException + */ + public WireObjectFactory(Class<T> interfaze, Wire wire, ProxyService proxyService) + { + this.interfaze = interfaze; + this.wire = wire; + this.proxyService = proxyService; + this.mappings = WireUtils.createInterfaceToWireMapping(interfaze, wire); // TODO + if (wire.isOptimizable() + && wire.getSourceContract().getInterfaceClass() != null + && interfaze.isAssignableFrom(wire.getSourceContract().getInterfaceClass())) { + optimizable = true; + } + } + + public T getInstance() throws ObjectCreationException { + if (optimizable) { + try { + return interfaze.cast(wire.getTargetInstance()); + } catch (TargetResolutionException e) { + throw new ObjectCreationException(e); + } + } else { + // clone the cached mappings + Map<Method, ChainHolder> newChains = new HashMap<Method, ChainHolder>(mappings.size()); + for (Map.Entry<Method, ChainHolder> entry : mappings.entrySet()) { + newChains.put(entry.getKey(), entry.getValue().clone()); + } + return interfaze.cast(proxyService.createProxy(interfaze, wire, newChains)); + } + } + + +} |