PByteArray.java from Texai at Krugle

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/*
 * PByteArray.java
 *
 * Created on March 30, 2007, 3:12 PM
 *
 * Description: PByteArray is a persistent byte array in the Texai logical representation language.  Duplicate byte
 * arrays may be stored in the KB.
 *
 * Copyright (C) 2007 Stephen L. Reed.
 *
 * This program is free software; you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

package org.texai.kb.entity;

import com.sleepycat.persist.model.Entity;
import java.util.Arrays;
import org.texai.kb.Constants;
import org.texai.kb.ejb.session.shared.KBPartitionFacadeLocal;

/**
 *
 * @author reed
 */
@Entity
public class PByteArray extends AbstractTerm {
  
  /** the byte array */
  private byte[] bytes;
  
  /** Creates a new instance of PByteArray. */
  public PByteArray() {
    super();
  }
  
  /** Creates a new instance of PByteArray. 
   * 
   * @param termId the database term ID
   * @param bytes the byte array
   */
  public PByteArray(final int termId, final byte[] bytes) {
    super(termId);
    this.bytes = bytes;
  }
  
  /** Gets the term type.
   *
   * @return the term type
   */
  public byte getTermType() {
    return Constants.BYTE_ARRAY;
  }

  /** Returns the byte array.
   *
   * @return the byte array
   */
  public byte[] getBytes() {
    return bytes.clone();
  }

  /**
   * Returns a hash code value for the object. 
   * @return a hash code value for this object
   */
  @Override
  public int hashCode() {
    return getTermId();
  }

  /**
   * Determines whether another object is equal to this object.
   *
   * @param object the reference object with which to compare
   * @return <code>true</code> if this object is the same as the argument;
   * <code>false</code> otherwise.
   */
  @Override
  public boolean equals(final Object object) {
    if (!(object instanceof PByteArray)) {
      return false;
    }
    final PByteArray that = (PByteArray) object;
    return this.getTermId() == that.getTermId();
  }

  /** Returns a string representation of this object.
   *
   * @param kbPartitionFacade the KB partition facade
   * @return a string representation of this object
   */
  public String toString(final KBPartitionFacadeLocal kbPartitionFacade) {
    return Arrays.toString(bytes);
  }

  /** Returns a CycL representation of this object.
   *
   * @param kbPartitionFacade the KB partition facade
   * @return a CycL representation of this object
   */
  public String toCycLString(final KBPartitionFacadeLocal kbPartitionFacade) {
    return toString(kbPartitionFacade);
  }

}
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