azkaban.project.FlowTriggerDependency.java Source code

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Here is the source code for azkaban.project.FlowTriggerDependency.java

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/*
 * Copyright 2017 LinkedIn Corp.
 *
 * 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 azkaban.project;

import com.google.common.base.Preconditions;
import java.io.Serializable;
import java.util.Collections;
import java.util.Map;
import org.apache.commons.lang.StringUtils;

/**
 * FlowTriggerDependency is the logic representation of a trigger dependency.
 * It couldn't be changed once gets constructed.
 * It will be used to create running dependency instance.
 */
public class FlowTriggerDependency implements Serializable {

    private static final long serialVersionUID = 5875910030716100311L;
    private final Map<String, String> props;
    private final String name;
    private final String type;

    /**
     * @throws IllegalArgumentException if name or type is null or blank
     * @throws IllegalArgumentException if depProps is null
     */
    public FlowTriggerDependency(final String name, final String type, final Map<String, String> depProps) {
        Preconditions.checkArgument(StringUtils.isNotBlank(name));
        Preconditions.checkArgument(StringUtils.isNotBlank(type));
        Preconditions.checkArgument(depProps != null);
        this.name = name;
        this.type = type;
        this.props = Collections.unmodifiableMap(depProps);
        //todo chengren311: validate per dependencyType: some dependency type might need extra special
        //check, also check if it's a valid dependency type
    }

    public String getName() {
        return this.name;
    }

    public String getType() {
        return this.type;
    }

    public Map<String, String> getProps() {
        return this.props;
    }

    @Override
    public String toString() {
        return "FlowTriggerDependency{" + "name='" + this.name + '\'' + ", type='" + this.type + '\'' + ", props="
                + this.props + '}';
    }
}