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Diffstat (limited to 'sandbox/ant/container.python/src/main/java/org/apache/tuscany/container/python/PythonComponent.java')
-rw-r--r-- | sandbox/ant/container.python/src/main/java/org/apache/tuscany/container/python/PythonComponent.java | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/sandbox/ant/container.python/src/main/java/org/apache/tuscany/container/python/PythonComponent.java b/sandbox/ant/container.python/src/main/java/org/apache/tuscany/container/python/PythonComponent.java new file mode 100644 index 0000000000..4376c48b82 --- /dev/null +++ b/sandbox/ant/container.python/src/main/java/org/apache/tuscany/container/python/PythonComponent.java @@ -0,0 +1,113 @@ +/* + * 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.container.python; + +import static org.apache.tuscany.spi.idl.java.JavaIDLUtils.findMethod; + +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.ScopeContainer; +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.extension.AtomicComponentExtension; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.spi.wire.WireService; + +/** + * A component implementation for the Python language. + */ +public class PythonComponent extends AtomicComponentExtension { + + private final List<Class<?>> services; + + private final Map<String, Object> properties; + + private PythonScript rhinoScript; + + public PythonComponent(String name, PythonScript rhinoScript, List<Class<?>> services, CompositeComponent parent, ScopeContainer scopeContainer, + WireService wireService, WorkContext workContext) { + + super(name, parent, scopeContainer, wireService, workContext, null, 0); + + this.rhinoScript = rhinoScript; + this.services = services; + this.scope = scopeContainer.getScope(); + this.properties = new HashMap<String, Object>(); + } + + public Object createInstance() throws ObjectCreationException { + + Map<String, Object> context = new HashMap<String, Object>(getProperties()); + + for (List<OutboundWire> referenceWires : getOutboundWires().values()) { + for (OutboundWire wire : referenceWires) { + Object wireProxy = wireService.createProxy(wire); + context.put(wire.getReferenceName(), wireProxy); + } + } + + Object instance = rhinoScript.createInstance(context); + + return instance; + } + + public TargetInvoker createTargetInvoker(String serviceName, Operation operation) { + Method[] methods = operation.getServiceContract().getInterfaceClass().getMethods(); + Method method = findMethod(operation, methods); + return new PythonInvoker(method, this); + } + + // TODO: move all the following up to AtomicComponentExtension? + + public List<Class<?>> getServiceInterfaces() { + return services; + } + + public Map<String, Object> getProperties() { + return properties; + } + + public Object getTargetInstance() throws TargetException { + return scopeContainer.getInstance(this); + } + + public Object getServiceInstance() throws TargetException { + return getServiceInstance(null); + } + + @SuppressWarnings("unchecked") + public Object getServiceInstance(String service) throws TargetException { + InboundWire wire = getInboundWire(service); + if (wire == null) { + TargetException e = new TargetException("ServiceDefinition not found"); // TODO better error message + e.setIdentifier(service); + throw e; + } + return wireService.createProxy(wire); + } + +} |