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This module contains all API code. External dependencies should be limited. Any changes to public methods should be avoided. While the API module does not have compile time dependency on fluo-core, you must include fluo-core as a run-time dependency.

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/*
 * Copyright 2014 Fluo authors (see AUTHORS)
 * 
 * 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.fluo.api.data;

/**
 * An immutable object that can hold a row, column, and value.
 */

public class RowColumnValue extends RowColumn {
  private static final long serialVersionUID = 1L;

  private Bytes val = Bytes.EMPTY;

  public RowColumnValue(Bytes row, Column col, Bytes val) {
    super(row, col);
    this.val = val;
  }

  /**
   * @param row (will be UTF-8 encoded)
   * @param val (will be UTF-8 encoded)
   */
  public RowColumnValue(String row, Column col, String val) {
    super(Bytes.of(row), col);
    this.val = Bytes.of(val);
  }

  public Bytes getValue() {
    return val;
  }

  @Override
  public int hashCode() {
    return super.hashCode() + 31 * val.hashCode();
  }

  @Override
  public boolean equals(Object o) {
    if (o == this) {
      return true;
    }

    if (o instanceof RowColumnValue) {
      RowColumnValue orcv = (RowColumnValue) o;

      if (super.equals(orcv)) {
        return val.equals(orcv.val);
      }
    }
    return false;
  }

  @Override
  public int compareTo(RowColumn orc) {
    if (orc == this) {
      return 0;
    }

    if (!(orc instanceof RowColumnValue)) {
      throw new IllegalArgumentException("Can only compare to same type");
    }

    int result = super.compareTo(orc);
    if (result == 0) {
      RowColumnValue orcv = (RowColumnValue) orc;
      result = val.compareTo(orcv.val);
    }
    return result;
  }

  @Override
  public String toString() {
    return super.toString() + " " + val;
  }
}