package com.trendmicro.grid.acl.ds.jpa.entities;
   
   import javax.persistence.*;
   
   import static net.sf.tinyjee.util.Assert.assertNotNull;
   
   /**
    * Implements the primary key of the table "PACKAGE_FILES_HISTORY".
    *
   * @author juergen_kellerer, 2010-06-11
   * @version 1.0
   */
  @Embeddable
  public class JpaNamedFileIdentifierHistoryId extends AbstractJpaNamedFileIdentifierId {
  
  	private static final long serialVersionUID = -2155156736151475015L;
  
  	@ManyToOne(optional = false, fetch = FetchType.LAZY)
  	@JoinColumn(name = "FILE_CONTENT_ID", nullable = false, updatable = false)
  	private JpaFileDetails fileDetails;
  
  	@Column(name = "REVISION", nullable = false)
  	private int revision;
  
  	public JpaNamedFileIdentifierHistoryId() {
  	}
  
  	public JpaNamedFileIdentifierHistoryId(JpaFileDetails fileDetails,
  										   JpaPackageDetails packageDetails,
  										   String fileName, int revision) {
  		super(packageDetails, fileName);
  		assertNotNull("JpaFileDetails", fileDetails);
  		this.fileDetails = fileDetails;
  		this.revision = revision;
  	}
  
  	public JpaFileDetails getFileDetails() {
  		return fileDetails;
  	}
  
  	public int getRevision() {
  		return revision;
  	}
  
  	@Override
  	public boolean equals(Object o) {
  		if (this == o) return true;
  		if (!(o instanceof JpaNamedFileIdentifierHistoryId)) return false;
  		if (!super.equals(o)) return false;
  
  		JpaNamedFileIdentifierHistoryId that = (JpaNamedFileIdentifierHistoryId) o;
  		return revision == that.revision && fileDetails.equals(that.fileDetails);
  	}
  
  	@Override
  	public int hashCode() {
  		int result = super.hashCode();
  		result = 31 * result + fileDetails.hashCode();
  		result = 31 * result + revision;
  		return result;
  	}
  
  	@Override
  	public String toString() {
  		return "JpaNamedFileIdentifierHistoryId{" +
  				"packageDetails=" + getPackageDetails() +
  				", fileDetails=" + fileDetails +
  				", fileName=" + getFileName() +
  				", revision=" + revision +
  				'}';
  	}
  }