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/*
* Copyright 2012 International Business Machines Corp.
*
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership. 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 com.ibm.jbatch.container.impl;
import java.util.concurrent.BlockingQueue;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.ibm.jbatch.container.context.impl.StepContextImpl;
import com.ibm.jbatch.container.jobinstance.RuntimeJobExecution;
import com.ibm.jbatch.container.util.PartitionDataWrapper;
import com.ibm.jbatch.jsl.model.Batchlet;
import com.ibm.jbatch.jsl.model.Chunk;
import com.ibm.jbatch.jsl.model.Decision;
import com.ibm.jbatch.jsl.model.Flow;
import com.ibm.jbatch.jsl.model.Partition;
import com.ibm.jbatch.jsl.model.Split;
import com.ibm.jbatch.jsl.model.Step;
public class ExecutionElementControllerFactory {
private final static String CLASSNAME = ExecutionElementControllerFactory.class.getName();
private final static Logger logger = Logger.getLogger(CLASSNAME);
public static BaseStepControllerImpl getStepController(RuntimeJobExecution jobExecutionImpl, Step step, StepContextImpl stepContext, long rootJobExecutionId, BlockingQueue analyzerQueue) {
String methodName = "getStepController";
if(logger.isLoggable(Level.FINER)) { logger.logp (Level.FINER, CLASSNAME, methodName, "Get StepController for", step.getId());}
Partition partition = step.getPartition();
if (partition != null) {
if (partition.getMapper() != null ) {
if (logger.isLoggable(Level.FINER)) {
logger.logp(Level.FINER, CLASSNAME, methodName, "Found partitioned step with mapper" , step);
}
return new PartitionedStepControllerImpl(jobExecutionImpl, step, stepContext, rootJobExecutionId);
}
if (partition.getPlan() != null) {
if (partition.getPlan().getPartitions() != null) {
if (logger.isLoggable(Level.FINER)) {
logger.logp(Level.FINER, CLASSNAME, methodName, "Found partitioned step with plan", step);
}
return new PartitionedStepControllerImpl(jobExecutionImpl, step, stepContext, rootJobExecutionId);
}
}
}
Batchlet batchlet = step.getBatchlet();
if (batchlet != null) {
if(logger.isLoggable(Level.FINER)) {
logger.finer("Found batchlet: " + batchlet + ", with ref= " + batchlet.getRef());
}
if (step.getChunk() != null) {
throw new IllegalArgumentException("Step contains both a batchlet and a chunk. Aborting.");
}
return new BatchletStepControllerImpl(jobExecutionImpl, step, stepContext, rootJobExecutionId, analyzerQueue);
} else {
Chunk chunk = step.getChunk();
if(logger.isLoggable(Level.FINER)) {
logger.finer("Found chunk: " + chunk);
}
if (chunk == null) {
throw new IllegalArgumentException("Step does not contain either a batchlet or a chunk. Aborting.");
}
return new ChunkStepControllerImpl(jobExecutionImpl, step, stepContext, rootJobExecutionId, analyzerQueue);
}
}
public static DecisionControllerImpl getDecisionController(RuntimeJobExecution jobExecutionImpl, Decision decision) {
return new DecisionControllerImpl(jobExecutionImpl, decision);
}
public static FlowControllerImpl getFlowController(RuntimeJobExecution jobExecutionImpl, Flow flow, long rootJobExecutionId) {
return new FlowControllerImpl(jobExecutionImpl, flow, rootJobExecutionId);
}
public static SplitControllerImpl getSplitController(RuntimeJobExecution jobExecutionImpl, Split split, long rootJobExecutionId) {
return new SplitControllerImpl(jobExecutionImpl, split, rootJobExecutionId);
}
}
