psdi.common.condition

Class ExpressionCondition

java.lang.Object

psdi.common.condition.ExpressionCondition

All Implemented Interfaces:

CustomCondition

public class ExpressionCondition
extends java.lang.Object
implements CustomCondition

The default Expression Condition Evaluator.

Constructor Summary

Constructors

Constructor and Description
ExpressionCondition()

Method Summary

Modifier and Type	Method and Description
boolean	evaluateCondition(MboRemote mbo, java.lang.Object expression) Evaluate the expression
java.lang.String	toWhereClause(java.lang.Object expression, MboSetRemote mboSet) Convert to the where clause.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExpressionCondition

public ExpressionCondition()

Method Detail

evaluateCondition

public boolean evaluateCondition(MboRemote mbo,
                                 java.lang.Object expression)
                          throws MXException,
                                 java.rmi.RemoteException

Evaluate the expression

Specified by:

evaluateCondition in interface CustomCondition

Parameters:

mbo - The mbo to be evaluated

expression - Any object of parameter that is understood by the condition class. For data restrictions, this param is not used. To use it, some of the framework logic must be overridden in the Mbo.

Returns:

The result of the evaluation. For data restrictions, True means the restriction will be applied.

Throws:

MXException

java.rmi.RemoteException

See Also:

SecurityRestrict, Condition, Mbo.evaluateRestriction(psdi.mbo.DataRestriction), Mbo.evaluateCtrlConditions(java.util.HashSet), Mbo.evaluateCondition(java.lang.String, boolean)

toWhereClause

public java.lang.String toWhereClause(java.lang.Object expression,
                                      MboSetRemote mboSet)
                               throws MXException,
                                      java.rmi.RemoteException

Convert to the where clause.

Specified by:

toWhereClause in interface CustomCondition

Parameters:

expression - expression

mboSet - the MboSet that the expression will act as a QUALIFIED filter

Returns:

The where clause that can be used to query the database

Throws:

MXException

java.rmi.RemoteException

See Also:

SecurityRestrict, Condition, MboSet.getQualifiedWhere()