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/**
* Copyright 2017 ZTE Corporation.
*
* Licensed 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.openo.holmes.engine.resources;
import com.codahale.metrics.annotation.Timed;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import java.util.Locale;
import javax.inject.Inject;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.DELETE;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import lombok.extern.slf4j.Slf4j;
import org.jvnet.hk2.annotations.Service;
import org.openo.holmes.common.exception.CorrelationException;
import org.openo.holmes.common.utils.ExceptionUtil;
import org.openo.holmes.common.utils.LanguageUtil;
import org.openo.holmes.engine.manager.DroolsEngine;
import org.openo.holmes.engine.request.CompileRuleRequest;
import org.openo.holmes.engine.request.DeployRuleRequest;
import org.openo.holmes.engine.response.CorrelationRuleResponse;
@Service
@Path("/rule")
@Api(tags = {"Engine Manager"})
@Produces(MediaType.APPLICATION_JSON)
@Slf4j
public class EngineResources {
@Inject
DroolsEngine droolsEngine;
@PUT
@ApiOperation(value = "Add rule to Engine and Cache", response = CorrelationRuleResponse.class)
@Produces(MediaType.APPLICATION_JSON)
@Timed
public CorrelationRuleResponse deployRule(DeployRuleRequest deployRuleRequest,
@Context HttpServletRequest httpRequest) {
CorrelationRuleResponse crResponse = new CorrelationRuleResponse();
Locale locale = LanguageUtil.getLocale(httpRequest);
try {
String packageName = droolsEngine.deployRule(deployRuleRequest, locale);
log.info("Rule deployed. Package name: " + packageName);
crResponse.setPackageName(packageName);
} catch (CorrelationException correlationException) {
log.error(correlationException.getMessage(), correlationException);
throw ExceptionUtil.buildExceptionResponse(correlationException.getMessage());
}
return crResponse;
}
@DELETE
@ApiOperation(value = "delete rule")
@Produces(MediaType.APPLICATION_JSON)
@Timed
@Path("/{packageName}")
public boolean undeployRule(@PathParam("packageName") String packageName,
@Context HttpServletRequest httpRequest) {
Locale locale = LanguageUtil.getLocale(httpRequest);
try {
droolsEngine.undeployRule(packageName, locale);
} catch (CorrelationException correlationException) {
log.error(correlationException.getMessage(), correlationException);
throw ExceptionUtil.buildExceptionResponse(correlationException.getMessage());
}
return true;
}
@POST
@ApiOperation(value = "compile rule")
@Produces(MediaType.APPLICATION_JSON)
@Timed
public boolean compileRule(CompileRuleRequest compileRuleRequest,
@Context HttpServletRequest httpRequest) {
Locale locale = LanguageUtil.getLocale(httpRequest);
try {
droolsEngine.compileRule(compileRuleRequest.getContent(), locale);
} catch (CorrelationException correlationException) {
log.error(correlationException.getMessage(), correlationException);
throw ExceptionUtil.buildExceptionResponse(correlationException.getMessage());
}
return true;
}
}
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