diff options
Diffstat (limited to 'sandbox/old/contrib/implementation-ruby/container/src/main/java/org/apache/tuscany/container/ruby/RubyComponent.java')
-rw-r--r-- | sandbox/old/contrib/implementation-ruby/container/src/main/java/org/apache/tuscany/container/ruby/RubyComponent.java | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/sandbox/old/contrib/implementation-ruby/container/src/main/java/org/apache/tuscany/container/ruby/RubyComponent.java b/sandbox/old/contrib/implementation-ruby/container/src/main/java/org/apache/tuscany/container/ruby/RubyComponent.java new file mode 100644 index 0000000000..435b2a12dc --- /dev/null +++ b/sandbox/old/contrib/implementation-ruby/container/src/main/java/org/apache/tuscany/container/ruby/RubyComponent.java @@ -0,0 +1,117 @@ +/* + * 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.ruby; + +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.TargetResolutionException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.extension.AtomicComponentExtension; +import org.apache.tuscany.spi.extension.ExecutionMonitor; +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; + +import org.apache.tuscany.container.ruby.rubyscript.RubyScript; +import org.apache.tuscany.container.ruby.rubyscript.RubyScriptInstance; + +/** + * The Ruby component implementation. + */ +public class RubyComponent extends AtomicComponentExtension { + + private final Map<String, Object> properties; + + private RubyScript rubyScript; + + private String rubyClassName; + + public RubyComponent(String name, + RubyScript rubyScript, + String rubyClassName, + Map<String, Object> propValues, + CompositeComponent parent, + WireService wireService, + WorkContext workContext, + ExecutionMonitor monitor) { + super(name, parent, wireService, workContext, null, monitor, 0); + + this.rubyScript = rubyScript; + this.rubyClassName = rubyClassName; + //this.properties = new HashMap<String, Object>(); + this.properties = propValues; + } + + public Object createInstance() throws ObjectCreationException { + + Map<String, Object> context = new HashMap<String, Object>(getProperties()); + + for (List<OutboundWire> referenceWires : getOutboundWires().values()) { + for (OutboundWire wire : referenceWires) { + Class<?> clazz = wire.getServiceContract().getInterfaceClass(); + Object wireProxy = wireService.createProxy(clazz, wire); + //since all types that may be used in the reference interface may not be known to Rhino + //using the wireProxy as is will fail result in type conversion exceptions in cases where + //Rhino does not know enough of the tpypes used. Hence introduce a interceptor proxy, + //with weak typing (java.lang.Object) so that Rhino's call to the proxy succeeds. Then + //within this interceptor proxy perform data mediations required to correctly call the + //referenced service. + Class<?> businessInterface = wire.getServiceContract().getInterfaceClass(); + RubyReferenceProxy interceptingProxy = new RubyReferenceProxy(businessInterface, + wireProxy, + rubyScript.getRubyEngine()); + context.put(wire.getReferenceName(), interceptingProxy.createProxy()); + } + } + + Object instance = rubyScript.createScriptInstance(context, rubyClassName); + + return instance; + } + + public TargetInvoker createTargetInvoker(String targetName, Operation operation, InboundWire callbackWire) { + /*Method[] methods = operation.getServiceContract().getInterfaceClass().getMethods(); + Method method = findMethod(operation, + methods);*/ + return new RubyInvoker(operation.getName(), + this, + operation.getOutputType().getPhysical().getClass(), + callbackWire, + workContext, + monitor); + } + + // TODO: move all the following up to AtomicComponentExtension? + + public Map<String, Object> getProperties() { + return properties; + } + + public RubyScriptInstance getTargetInstance() throws TargetResolutionException { + return (RubyScriptInstance) scopeContainer.getInstance(this); + } + +} |