io.cdap.delta.proto.InstanceConfig Maven / Gradle / Ivy

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/*
 * Copyright © 2020 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 io.cdap.delta.proto;

import java.util.Collections;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;

/**
 * Information about a single instance of the worker.
 */
public class InstanceConfig {
  private final Set tables;

  public InstanceConfig(Set tables) {
    this.tables = new HashSet<>(tables);
  }

  public Set getTables() {
    return tables == null ? Collections.emptySet() : Collections.unmodifiableSet(tables);
  }

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

  @Override
  public int hashCode() {
    return Objects.hash(tables);
  }
}