| /* |
| * 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.uima.aae.handler.input; |
| |
| import org.apache.uima.UIMAFramework; |
| import org.apache.uima.aae.UIMAEE_Constants; |
| import org.apache.uima.aae.controller.AggregateAnalysisEngineController; |
| import org.apache.uima.aae.controller.Endpoint; |
| import org.apache.uima.aae.error.AsynchAEException; |
| import org.apache.uima.aae.error.ServiceShutdownException; |
| import org.apache.uima.aae.handler.HandlerBase; |
| import org.apache.uima.aae.message.AsynchAEMessage; |
| import org.apache.uima.aae.message.MessageContext; |
| import org.apache.uima.util.Level; |
| |
| public class MetadataRequestHandler_impl extends HandlerBase { |
| private static final Class CLASS_NAME = MetadataRequestHandler_impl.class; |
| |
| public MetadataRequestHandler_impl(String aName) { |
| super(aName); |
| } |
| |
| public void handle(Object anObjectToHandle)// throws AsynchAEException |
| { |
| |
| if (anObjectToHandle instanceof MessageContext) { |
| try { |
| int messageType = ((MessageContext) anObjectToHandle) |
| .getMessageIntProperty(AsynchAEMessage.MessageType); |
| int command = ((MessageContext) anObjectToHandle) |
| .getMessageIntProperty(AsynchAEMessage.Command); |
| |
| // This handler handles request for metadata. Check if this is the request for metadata. If |
| // not, pass it on |
| // to the next handler in the chain. |
| if (AsynchAEMessage.Request == messageType && AsynchAEMessage.GetMeta == command) { |
| |
| Endpoint endpoint = ((MessageContext) anObjectToHandle).getEndpoint(); |
| if (getController().isTopLevelComponent()) { |
| endpoint.setCommand(AsynchAEMessage.GetMeta); |
| getController().cacheClientEndpoint(endpoint); |
| } |
| if (UIMAFramework.getLogger(CLASS_NAME).isLoggable(Level.FINEST)) { |
| UIMAFramework.getLogger(CLASS_NAME).logrb(Level.FINEST, CLASS_NAME.getName(), "handle", |
| UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE, |
| "UIMAEE_handling_metadata_request__FINEST", |
| new Object[] { endpoint.getEndpoint() }); |
| } |
| getController().getControllerLatch().waitUntilInitialized(); |
| // Check to see if the controller hasnt been aborted while we were waiting on the latch |
| if (!getController().isStopped()) { |
| getController().sendMetadata(endpoint); |
| } |
| } else { |
| if (super.hasDelegateHandler()) { |
| if (UIMAFramework.getLogger(CLASS_NAME).isLoggable(Level.FINEST)) { |
| UIMAFramework.getLogger(CLASS_NAME).logrb(Level.FINEST, CLASS_NAME.getName(), |
| "handle", UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE, |
| "UIMAEE_msg_for_next_handler__FINEST", new Object[] { messageType }); |
| } |
| super.getDelegate().handle(anObjectToHandle); |
| } else { |
| if (UIMAFramework.getLogger(CLASS_NAME).isLoggable(Level.FINE)) { |
| UIMAFramework.getLogger(CLASS_NAME).logrb(Level.FINE, CLASS_NAME.getName(), "handle", |
| UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE, |
| "UIMAEE_no_handler_for_message__FINE", new Object[] { messageType }); |
| } |
| } |
| } |
| } catch (Exception e) { |
| getController().getErrorHandlerChain().handle(e, |
| HandlerBase.populateErrorContext((MessageContext) anObjectToHandle), |
| getController()); |
| } |
| } else { |
| if (UIMAFramework.getLogger(CLASS_NAME).isLoggable(Level.INFO)) { |
| UIMAFramework.getLogger(CLASS_NAME).logrb(Level.INFO, CLASS_NAME.getName(), "handle", |
| UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE, "UIMAEE_invalid_context_object__INFO", |
| new Object[] { getController().getName(), anObjectToHandle.getClass().getName() }); |
| } |
| } |
| } |
| |
| } |