diff options
Diffstat (limited to 'sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/SystemSingletonAtomicComponent.java')
-rw-r--r-- | sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/SystemSingletonAtomicComponent.java | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/SystemSingletonAtomicComponent.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/SystemSingletonAtomicComponent.java new file mode 100644 index 0000000000..872853506e --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/SystemSingletonAtomicComponent.java @@ -0,0 +1,138 @@ +/* + * 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.core.component; + +import java.net.URI; +import java.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.core.injection.SingletonObjectFactory; +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.InstanceWrapper; +import org.apache.tuscany.spi.component.TargetInvokerCreationException; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.extension.AbstractComponentExtension; +import org.apache.tuscany.spi.idl.java.JavaServiceContract; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.model.physical.PhysicalOperationDefinition; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.spi.wire.Wire; + +/** + * An {@link org.apache.tuscany.spi.component.AtomicComponent} used when registering objects directly into a composite + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemSingletonAtomicComponent<S, T extends S> extends AbstractComponentExtension + implements AtomicComponent<T> { + private T instance; + private List<ServiceContract> serviceContracts = new ArrayList<ServiceContract>(); + + public SystemSingletonAtomicComponent(URI name, JavaServiceContract<S> contract, T instance) { + super(name); + this.instance = instance; + this.serviceContracts.add(contract); + } + + public SystemSingletonAtomicComponent(URI name, List<JavaServiceContract<?>> services, T instance) { + super(name); + this.instance = instance; + for (ServiceContract<?> contract : services) { + serviceContracts.add(contract); + } + } + + public Scope getScope() { + return Scope.COMPOSITE; + } + + public boolean isEagerInit() { + return false; + } + + public int getInitLevel() { + return 0; + } + + public long getMaxIdleTime() { + return -1; + } + + public long getMaxAge() { + return -1; + } + + public T getTargetInstance() throws TargetResolutionException { + return instance; + } + + public Object createInstance() throws ObjectCreationException { + throw new UnsupportedOperationException(); + } + + public void removeInstance() { + throw new UnsupportedOperationException(); + } + + public InstanceWrapper<T> createInstanceWrapper() throws ObjectCreationException { + throw new UnsupportedOperationException(); + } + + public ObjectFactory<T> createObjectFactory() { + return new SingletonObjectFactory<T>(instance); + } + + public boolean isOptimizable() { + return true; + } + + public void attachWire(Wire wire) { + throw new UnsupportedOperationException(); + } + + public void attachWires(List<Wire> wires) { + throw new UnsupportedOperationException(); + } + + public List<Wire> getWires(String name) { + throw new UnsupportedOperationException(); + } + + public void attachCallbackWire(Wire wire) { + throw new UnsupportedOperationException(); + } + + public TargetInvoker createTargetInvoker(String targetName, Operation operation) { + return null; + } + + public TargetInvoker createTargetInvoker(String targetName, PhysicalOperationDefinition operation) + throws TargetInvokerCreationException { + return null; + } + + public List<ServiceContract> getServiceContracts() { + return serviceContracts; + } + +} |