com.emc.mongoose.scenario.json.step.CompositeStepBase Maven / Gradle / Ivy

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package com.emc.mongoose.scenario.json.step;

import com.emc.mongoose.scenario.ScenarioParseException;
import com.emc.mongoose.ui.config.Config;
import com.emc.mongoose.ui.log.LogUtil;
import com.emc.mongoose.ui.log.Loggers;
import org.apache.logging.log4j.CloseableThreadContext;

import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import static com.emc.mongoose.api.common.Constants.KEY_TEST_STEP_ID;

/**
 Created by andrey on 06.06.16.
 */
public abstract class CompositeStepBase
extends StepBase
implements CompositeStep {

	protected final List childSteps = new LinkedList<>();

	protected CompositeStepBase(final Config appConfig, final Map subTree)
	throws ScenarioParseException {
		super(appConfig);
		loadSubTree(subTree);
	}

	protected void loadSubTree(final Map subTree)
	throws ScenarioParseException {
		final Object nodeConfig = subTree.get(KEY_NODE_CONFIG);
		localConfig.apply(
			(Map) nodeConfig,
			"composite-" + LogUtil.getDateTimeStamp() + "-" + hashCode()
		);
		final Object jobList = subTree.getOrDefault(KEY_NODE_STEPS, subTree.get(KEY_NODE_JOBS));
		if(jobList != null) {
			if(jobList instanceof List) {
				for(final Object job : (List) jobList) {
					if(job != null) {
						if(job instanceof Map) {
							appendNewJob((Map) job, localConfig);
						} else {
							throw new ScenarioParseException(
								"Invalid job node type: \"" + job.getClass() + "\""
							);
						}
					} else {
						throw new ScenarioParseException("job node is null");
					}
				}
			} else {
				throw new ScenarioParseException(
					"Invalid jobs node type: \"" + jobList.getClass() + "\""
				);
			}
		}
	}

	protected void appendNewJob(final Map subTree, final Config config)
	throws ScenarioParseException {
		try(
			final CloseableThreadContext.Instance logCtx = CloseableThreadContext.put(
				KEY_TEST_STEP_ID, config.getTestConfig().getStepConfig().getId()
			)
		) {
			Loggers.MSG.debug("Load the subtree to the step \"{}\"", this.toString());
			final String jobType = (String) subTree.get(KEY_NODE_TYPE);
			if(jobType == null) {
				throw new ScenarioParseException(
					"No \"" + KEY_NODE_TYPE + "\" element for the job"
				);
			} else {
				switch(jobType) {
					case NODE_TYPE_CHAIN:
						append(new ChainLoadStep(config, subTree));
						break;
					case NODE_TYPE_COMMAND:
						append(new CommandStep(config, subTree));
						break;
					case NODE_TYPE_FOR:
						append(new ForStep(config, subTree));
						break;
					case NODE_TYPE_LOAD:
						append(new LoadStep(config, subTree, false));
						break;
					case NODE_TYPE_PARALLEL:
						append(new ParallelStep(config, subTree));
						break;
					case NODE_TYPE_PRECONDITION:
						append(new LoadStep(config, subTree, true));
						break;
					case NODE_TYPE_SEQUENTIAL:
						append(new SequentialStep(config, subTree));
						break;
					case NODE_TYPE_MIXED:
						append(new MixedLoadStep(config, subTree));
						break;
					default:
						throw new ScenarioParseException(
							"\"" + this.toString() + "\": unexpected job type value: " + jobType
						);
				}
			}
		}
	}

	protected synchronized boolean append(final Step subStep) {
		return childSteps.add(subStep);
	}

	@Override
	public final List getChildSteps() {
		return childSteps;
	}

	@Override
	public void close()
	throws IOException {
		try {
			for(final Step subStep : childSteps) {
				subStep.close();
			}
		} finally {
			childSteps.clear();
		}
	}
}