RuleInfo.java from Texai at Krugle
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/*
* RuleInfo.java
*
* Created on October 24, 2006, 1:58 PM
*
* Description: Contains the specialized fields for Rule.
*
* Copyright (C) 2006 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.ejb.entity;
import java.io.Serializable;
import javax.persistence.Basic;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.OneToOne;
import javax.persistence.Transient;
/**
* Entity class RuleInfo
*
* @author reed
*/
@Entity
public class RuleInfo implements Serializable {
/**
* Determines if a de-serialized file is compatible with this class.
*
* Maintainers must change this value if and only if the new version
* of this class is not compatible with old versions. See Sun docs
* for <a href=http://java.sun.com/products/jdk/1.1/docs/guide
* /serialization/spec/version.doc.html> details. </a>
*
* Not necessary to include in first version of the class, but
* included here as a reminder of its importance.
*/
@Transient
private static final long serialVersionUID = 1L;
/** the id */
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long ruleInfoId; // NOPMD
/** the rule */
@OneToOne
private Rule rule; // NOPMD
/** the formula */
@OneToOne(cascade=CascadeType.PERSIST)
private Formula formula; // NOPMD
/** the assertion context (i.e. Cyc microtheory)
* @serial
*/
@ManyToOne(optional=false, cascade=CascadeType.PERSIST)
private AbstractReifiedTerm context; // NOPMD
/** the assertion strength
* @serial
*/
@Basic
private Double strength;
/** the creator of this rule */
@ManyToOne(optional=false, cascade=CascadeType.PERSIST, fetch=FetchType.LAZY)
private AbstractReifiedTerm creator;
/** the creation purpose of this rule */
@ManyToOne(optional=false, cascade=CascadeType.PERSIST, fetch=FetchType.LAZY)
private AbstractReifiedTerm creationPurpose;
/** the creation date of this rule */
@ManyToOne(optional=false, cascade=CascadeType.PERSIST, fetch=FetchType.LAZY)
private TimePoint creationTimePoint;
/** Creates a new instance of RuleInfo */
public RuleInfo() {
super();
}
/** Creates a new instance of RuleInfo.
*
* @param rule the persistent rule
* @param formula the formula
* @param context the context
* @param strength the strength
* @param creator the creator
* @param creationPurpose the creation purpose
* @param creationDate the creation date
*/
public RuleInfo(
final Rule rule,
final Formula formula,
final AbstractReifiedTerm context,
final Double strength,
final AbstractReifiedTerm creator,
final AbstractReifiedTerm creationPurpose,
final TimePoint creationTimePoint) {
super();
//Preconditions
assert rule != null : "rule must not be null";
assert formula != null : "formula must not be null";
assert creator != null : "creator must not be null";
assert creationPurpose != null : "creationPurpose must not be null";
assert creationTimePoint != null : "creationTimePoint must not be null";
this.rule = rule;
this.formula = formula;
this.context = context;
this.strength = strength;
this.creator = creator;
this.creationPurpose = creationPurpose;
this.creationTimePoint = creationTimePoint;
}
/**
* Gets the id of this RuleInfo.
*
* @return the id
*/
public Long getRuleInfoId() {
return this.ruleInfoId;
}
/** Returns the formula.
*
* @return the formula
*/
public Formula getFormula() {
return formula;
}
/** Returns the assertion context (i.e. Cyc microtheory).
*
* @return the assertion context (i.e. Cyc microtheory)
*/
public AbstractReifiedTerm getContext() {
return context;
}
/** Gets the assertion strength
*
* @return the assertion strength
*/
public Double getStrength() {
return strength;
}
/** Sets the assertion strength.
*
* @param strength the assertion strength
*/
public void setStrength(final Double strength) {
//Preconditions
assert strength != null : "strength must not be null";
this.strength = strength;
}
/** Gets the creator.
*
* @return the creator
*/
public AbstractReifiedTerm getCreator() {
return creator;
}
/** Gets the creation purpose.
*
* @return the creation purpose
*/
public AbstractReifiedTerm getCreationPurpose() {
return creationPurpose;
}
/** Gets the creation time point.
*
* @return the creation time point
*/
public TimePoint getCreationTimePoint() {
return creationTimePoint;
}
/**
* Returns a hash code value for the object. This implementation computes
* a hash code value based on the unchanging clobValue.
* @return a hash code value for this object
*/
@Override
public int hashCode() {
return formula.hashCode();
}
/**
* 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 RuleInfo)) {
return false;
}
final RuleInfo that = (RuleInfo) object;
return this.formula.equals(that.formula);
}
/** Returns a string representation of this object.
*
* @return a string representation of this object
*/
@Override
public String toString() {
return formula.toString();
}
/** Returns a CycL representation of this object.
*
* @return a CycL representation of this object
*/
public String toCycLString() {
return getFormula().toCycLString();
}
/** gets the rule
*
* @return the rule
*/
public Rule getRule() {
return rule;
}
}
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