Java tutorial
/* * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. 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.wso2.carbon.api.analytics.alerts.core.internal.clients; import org.apache.axis2.AxisFault; import org.apache.axis2.client.ServiceClient; import org.apache.axis2.context.ConfigurationContext; import org.apache.axis2.context.ConfigurationContextFactory; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.wso2.carbon.event.processor.stub.EventProcessorAdminServiceStub; import org.wso2.carbon.event.processor.stub.types.ExecutionPlanConfigurationDto; import org.wso2.carbon.event.processor.stub.types.ExecutionPlanConfigurationFileDto; import org.wso2.carbon.event.processor.stub.types.StreamDefinitionDto; import java.rmi.RemoteException; public class EventProcessorAdminServiceClient { private static final Log log = LogFactory.getLog(EventProcessorAdminServiceClient.class); private final String serviceName = "EventProcessorAdminService"; private EventProcessorAdminServiceStub eventProcessorAdminServiceStub; private String endPoint; public EventProcessorAdminServiceClient(String backEndUrl, String username, String password) throws AxisFault { this.endPoint = backEndUrl + serviceName; ConfigurationContext ctx = ConfigurationContextFactory.createConfigurationContextFromFileSystem(null, null); eventProcessorAdminServiceStub = new EventProcessorAdminServiceStub(ctx, endPoint); AuthenticationHelper.setBasicAuthHeaders(username, password, eventProcessorAdminServiceStub); } public ExecutionPlanConfigurationFileDto[] getExecutionPlanConfigurations() throws RemoteException { try { return eventProcessorAdminServiceStub.getAllInactiveExecutionPlanConigurations(); } catch (RemoteException e) { log.error("RemoteException", e); throw new RemoteException(); } } public boolean containsExecutionPlan(String execPlanName) throws RemoteException { ExecutionPlanConfigurationDto[] dtos = eventProcessorAdminServiceStub .getAllActiveExecutionPlanConfigurations(); for (ExecutionPlanConfigurationDto dto : dtos) { if (execPlanName.equals(dto.getName())) { return true; } } return false; } public void addExecutionPlan(ExecutionPlanConfigurationDto executionPlanConfigurationDto) throws RemoteException { try { eventProcessorAdminServiceStub.deployExecutionPlanConfiguration(executionPlanConfigurationDto); } catch (RemoteException e) { log.error("RemoteException", e); throw new RemoteException(); } } public void removeActiveExecutionPlan(String planName) throws RemoteException { try { eventProcessorAdminServiceStub.undeployActiveExecutionPlanConfiguration(planName); } catch (RemoteException e) { log.error("RemoteException", e); throw new RemoteException(); } } public void removeInactiveExecutionPlan(String filePath) throws RemoteException { try { eventProcessorAdminServiceStub.undeployInactiveExecutionPlanConfiguration(filePath); } catch (RemoteException e) { log.error("RemoteException", e); throw new RemoteException(); } } public void removeExecutionPlan(String planName) throws RemoteException { try { removeActiveExecutionPlan(planName); } catch (RemoteException e) { log.error(e.getMessage()); removeInactiveExecutionPlan(planName + ".xml"); } } public ExecutionPlanConfigurationDto getExecutionPlan(String executionPlanName) throws RemoteException { try { return eventProcessorAdminServiceStub.getActiveExecutionPlanConfiguration(executionPlanName); } catch (RemoteException e) { log.error("RemoteException", e); throw new RemoteException(); } } public StreamDefinitionDto[] getSiddhiStreams(String[] inputStreamDefinitions, String queryExpressions) throws RemoteException { try { return eventProcessorAdminServiceStub.getSiddhiStreams(inputStreamDefinitions, queryExpressions); } catch (RemoteException e) { log.error("RemoteException", e); throw new RemoteException(); } } }