co.cask.cdap.data2.metadata.lineage.CollapsedRelation.java Source code

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Here is the source code for co.cask.cdap.data2.metadata.lineage.CollapsedRelation.java

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/*
 * Copyright  2016 Cask Data, 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 co.cask.cdap.data2.metadata.lineage;

import co.cask.cdap.proto.Id;
import co.cask.cdap.proto.metadata.lineage.CollapseType;
import com.google.common.collect.ImmutableSet;
import org.apache.twill.api.RunId;

import java.util.Objects;
import java.util.Set;

/**
 * A {@link Relation} collapsed based on {@link CollapseType}.
 */
public class CollapsedRelation {
    private final Id.NamespacedId data;
    private final Id.Program program;
    private final Set<AccessType> access;
    private final Set<RunId> runs;
    private final Set<Id.NamespacedId> components;

    public CollapsedRelation(Id.DatasetInstance dataset, Id.Program program, Set<AccessType> access,
            Set<RunId> runs, Set<Id.NamespacedId> components) {
        this.data = dataset;
        this.program = program;
        this.access = ImmutableSet.copyOf(access);
        this.runs = ImmutableSet.copyOf(runs);
        this.components = ImmutableSet.copyOf(components);
    }

    public CollapsedRelation(Id.Stream stream, Id.Program program, Set<AccessType> access, Set<RunId> runs,
            Set<Id.NamespacedId> components) {
        this.data = stream;
        this.program = program;
        this.access = ImmutableSet.copyOf(access);
        this.runs = ImmutableSet.copyOf(runs);
        this.components = ImmutableSet.copyOf(components);
    }

    public Id.NamespacedId getData() {
        return data;
    }

    public Id.Program getProgram() {
        return program;
    }

    public Set<AccessType> getAccess() {
        return access;
    }

    public Set<RunId> getRuns() {
        return runs;
    }

    public Set<Id.NamespacedId> getComponents() {
        return components;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        CollapsedRelation that = (CollapsedRelation) o;
        return Objects.equals(data, that.data) && Objects.equals(program, that.program)
                && Objects.equals(access, that.access) && Objects.equals(runs, that.runs)
                && Objects.equals(components, that.components);
    }

    @Override
    public int hashCode() {
        return Objects.hash(data, program, access, runs, components);
    }

    @Override
    public String toString() {
        return "CollapsedRelation{" + "data=" + data + ", program=" + program + ", access=" + access + ", runs="
                + runs + ", components=" + components + '}';
    }
}