/*
* Copyright (c) 2005-2010, 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.databridge.receiver.thrift.service;
import org.apache.thrift.TException;
import org.wso2.carbon.databridge.commons.exception.DifferentStreamDefinitionAlreadyDefinedException;
import org.wso2.carbon.databridge.commons.exception.MalformedStreamDefinitionException;
import org.wso2.carbon.databridge.commons.exception.SessionTimeoutException;
import org.wso2.carbon.databridge.commons.exception.UndefinedEventTypeException;
import org.wso2.carbon.databridge.commons.thrift.data.ThriftEventBundle;
import org.wso2.carbon.databridge.commons.thrift.exception.ThriftDifferentStreamDefinitionAlreadyDefinedException;
import org.wso2.carbon.databridge.commons.thrift.exception.ThriftMalformedStreamDefinitionException;
import org.wso2.carbon.databridge.commons.thrift.exception.ThriftNoStreamDefinitionExistException;
import org.wso2.carbon.databridge.commons.thrift.exception.ThriftSessionExpiredException;
import org.wso2.carbon.databridge.commons.thrift.exception.ThriftUndefinedEventTypeException;
import org.wso2.carbon.databridge.commons.thrift.service.general.ThriftEventTransmissionService;
import org.wso2.carbon.databridge.core.DataBridgeReceiverService;
import org.wso2.carbon.databridge.core.EventConverter;
import org.wso2.carbon.databridge.receiver.thrift.converter.ThriftEventConverter;
/**
* The client implementation for ThriftDataReceiverService
*/
public class ThriftEventTransmissionServiceImpl implements
ThriftEventTransmissionService.Iface {
private DataBridgeReceiverService dataBridgeReceiverService;
private EventConverter eventConverter = new ThriftEventConverter();
public ThriftEventTransmissionServiceImpl(DataBridgeReceiverService dataBridgeReceiverService) {
this.dataBridgeReceiverService = dataBridgeReceiverService;
}
@Override
public String defineStream(String sessionId, String streamDefinition)
throws TException, ThriftSessionExpiredException,
ThriftDifferentStreamDefinitionAlreadyDefinedException,
ThriftMalformedStreamDefinitionException {
try {
return dataBridgeReceiverService.defineStream(sessionId, streamDefinition);
} catch (DifferentStreamDefinitionAlreadyDefinedException e) {
throw new ThriftDifferentStreamDefinitionAlreadyDefinedException(e.getErrorMessage());
} catch (MalformedStreamDefinitionException e) {
throw new ThriftMalformedStreamDefinitionException(e.getErrorMessage());
} catch (SessionTimeoutException e) {
throw new ThriftSessionExpiredException(e.getErrorMessage());
}
}
@Override
public String findStreamId(String sessionId, String streamName, String streamVersion)
throws ThriftNoStreamDefinitionExistException, ThriftSessionExpiredException,
TException {
try {
String streamDefinition = dataBridgeReceiverService.findStreamId(sessionId, streamName, streamVersion);
if (streamDefinition == null) {
//this is used as Thrift cannot send null values
throw new ThriftNoStreamDefinitionExistException("Stream definition not exist for " + streamName + " " + streamVersion);
}
return streamDefinition;
} catch (SessionTimeoutException e) {
throw new ThriftSessionExpiredException(e.getErrorMessage());
}
}
@Override
public boolean deleteStreamById(String sessionId, String streamId)
throws ThriftSessionExpiredException,
TException {
try {
return dataBridgeReceiverService.deleteStream(sessionId, streamId);
} catch (SessionTimeoutException e) {
throw new ThriftSessionExpiredException(e.getErrorMessage());
}
}
@Override
public boolean deleteStreamByNameVersion(String sessionId, String streamName,
String streamVersion)
throws ThriftSessionExpiredException,
TException {
try {
return dataBridgeReceiverService.deleteStream(sessionId, streamName, streamVersion);
} catch (SessionTimeoutException e) {
throw new ThriftSessionExpiredException(e.getErrorMessage());
}
}
public void publish(ThriftEventBundle eventBundle)
throws ThriftUndefinedEventTypeException, ThriftSessionExpiredException, TException {
try {
dataBridgeReceiverService.publish(eventBundle, eventBundle.getSessionId(), eventConverter);
} catch (UndefinedEventTypeException e) {
throw new ThriftUndefinedEventTypeException(e.getErrorMessage());
} catch (SessionTimeoutException e) {
throw new ThriftSessionExpiredException(e.getErrorMessage());
}
}
}