psdi.util

Class CombineWhereClauses

java.lang.Object

psdi.util.CombineWhereClauses

public class CombineWhereClauses
extends java.lang.Object

Standarizes and eases the building of where clauses. Assumes all where clauses added are to be and'ed together. Empty or null where clauses are ignored. If there are multiple where clauses, they are put into parathesis and joined by the AND operator.

Created on Friday, February 09, 2001

Author:

John Neville

Constructor Summary

Constructors

Constructor and Description
CombineWhereClauses() Can construct with no initial where clause
CombineWhereClauses(java.lang.String firstWhere) The first where clause can be null.

Method Summary

Modifier and Type	Method and Description
void	addWhere(java.lang.String clause) Supply where clauses to combine.
java.lang.String	getWhereClause() Builds the combined where clause.

Methods inherited from class java.lang.Object

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

Constructor Detail

CombineWhereClauses

public CombineWhereClauses(java.lang.String firstWhere)

The first where clause can be null.

Parameters:

firstWhere - The constructor takes the first where clause.

CombineWhereClauses

public CombineWhereClauses()

Can construct with no initial where clause

Method Detail

addWhere

public void addWhere(java.lang.String clause)

Supply where clauses to combine. Strings that are null or empty are ignored.

getWhereClause

public java.lang.String getWhereClause()

Builds the combined where clause. If there are multiple clauses, each one is wrapped in parenthesis and linked by the AND operator.