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/*
* SessionAttributeState.java
*
* Created on October 3, 2002, 3:42 PM
*/
package org.glassfish.web.ha.session.management;
/**
*
* @author lwhite
* @author Rajiv Mordani
*
* SessionAttributeState represents the state (with regards to persistence
* activity) of each attribute in a session.
*
* Invariants:
* 1. newly added attribute (not yet persistent)
* not persistent
* not dirty
* not deleted
* 2. modified already existing session
* persistent
* dirty
* not deleted
* 3. already existing session to be deleted
* persistent
* dirty or not dirty
* deleted
*/
public class SessionAttributeState {
/** Creates a new instance of SessionAttributeState */
public SessionAttributeState() {
}
/**
* create an instance of SessionAttributeState
* representing a persistent attribute
*/
public static SessionAttributeState createPersistentAttribute() {
SessionAttributeState result = new SessionAttributeState();
result.setPersistent(true);
return result;
}
/**
* return isDirty
*/
public boolean isDirty() {
return _dirtyFlag;
}
/**
* set isDirty
* @param value
*/
public void setDirty(boolean value) {
_dirtyFlag = value;
}
/**
* return isPersistent
*/
public boolean isPersistent() {
return _persistentFlag;
}
/**
* set persistentFlag
* @param value
*/
public void setPersistent(boolean value) {
_persistentFlag = value;
}
/**
* return isDeleted
*/
public boolean isDeleted() {
return _deletedFlag;
}
/**
* set deletedFlag
* @param value
*/
public void setDeleted(boolean value) {
_deletedFlag = value;
}
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("SessionAttributeState");
sb.append("\n__dirtyFlag = " + _dirtyFlag);
sb.append("\n__persistentFlag = " + _persistentFlag);
sb.append("\n_deletedFlag = " + _deletedFlag);
return sb.toString();
}
boolean _dirtyFlag = false;
boolean _persistentFlag = false;
boolean _deletedFlag = false;
}