com.vmware.photon.controller.api.frontend.commands.steps.StepCommand.java Source code

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Here is the source code for com.vmware.photon.controller.api.frontend.commands.steps.StepCommand.java

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/*
 * Copyright 2015 VMware, Inc. All Rights Reserved.
 *
 * 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.vmware.photon.controller.api.frontend.commands.steps;

import com.vmware.photon.controller.api.frontend.backends.StepBackend;
import com.vmware.photon.controller.api.frontend.commands.BaseCommand;
import com.vmware.photon.controller.api.frontend.commands.tasks.TaskCommand;
import com.vmware.photon.controller.api.frontend.entities.StepEntity;
import com.vmware.photon.controller.api.frontend.exceptions.external.TaskNotFoundException;

import org.apache.commons.lang3.StringUtils;
import static com.google.common.base.Preconditions.checkNotNull;

/**
 * This class extends BaseCommand and represents a single activity. Its corresponding DB/API
 * object is a Step.
 */
public abstract class StepCommand extends BaseCommand {

    protected final TaskCommand taskCommand;
    protected final StepBackend stepBackend;
    protected final StepEntity step;

    protected StepCommand(TaskCommand taskCommand, StepBackend stepBackend, StepEntity step) {
        super(getActivityId(step));
        this.taskCommand = taskCommand;
        this.stepBackend = stepBackend;
        this.step = step;
        checkNotNull(step);
    }

    private static String getActivityId(StepEntity stepEntity) {
        String activityId = "";
        if (stepEntity.getTask() != null && StringUtils.isNotBlank(stepEntity.getTask().getId())) {
            activityId = stepEntity.getTask().getId();
        }

        String operation = "";
        if (stepEntity.getOperation() != null) {
            operation = stepEntity.getOperation().getOperation();
        }

        if (StringUtils.isNotBlank(operation)) {
            activityId = activityId + ":" + operation;
        }

        return activityId;
    }

    @Override
    protected void markAsStarted() throws TaskNotFoundException {
        stepBackend.markStepAsStarted(step);
    }

    @Override
    protected void markAsDone() throws Throwable {
        stepBackend.markStepAsDone(step);
    }

    @Override
    protected void markAsFailed(Throwable t) throws TaskNotFoundException {
        stepBackend.markStepAsFailed(step, t);
    }
}