com.nirmata.workflow.details.internalmodels.RunnableTaskDag.java Source code

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Here is the source code for com.nirmata.workflow.details.internalmodels.RunnableTaskDag.java

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/**
 * Copyright 2014 Nirmata, Inc.
 *
 * 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.nirmata.workflow.details.internalmodels;

import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableSet;
import com.nirmata.workflow.models.TaskId;
import java.io.Serializable;
import java.util.Collection;

public class RunnableTaskDag implements Serializable {
    private final TaskId taskId;
    private final Collection<TaskId> dependencies;

    public RunnableTaskDag(TaskId taskId, Collection<TaskId> dependencies) {
        this.taskId = Preconditions.checkNotNull(taskId, "taskId cannot be null");
        dependencies = Preconditions.checkNotNull(dependencies, "dependencies cannot be null");
        this.dependencies = ImmutableSet.copyOf(dependencies);
    }

    public TaskId getTaskId() {
        return taskId;
    }

    public Collection<TaskId> getDependencies() {
        return dependencies;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        RunnableTaskDag that = (RunnableTaskDag) o;

        if (!dependencies.equals(that.dependencies)) {
            return false;
        }
        //noinspection RedundantIfStatement
        if (!taskId.equals(that.taskId)) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = taskId.hashCode();
        result = 31 * result + dependencies.hashCode();
        return result;
    }

    @Override
    public String toString() {
        return "RunnableTaskDagEntryModel{" + "taskId=" + taskId + ", dependencies=" + dependencies + '}';
    }
}