org.apache.openjpa.jdbc.kernel.exps
Class EqualExpression

java.lang.Object
  org.apache.openjpa.jdbc.kernel.exps.CompareEqualExpression
      org.apache.openjpa.jdbc.kernel.exps.EqualExpression

All Implemented Interfaces:

Serializable, Exp, Expression

Direct Known Subclasses:

ContainsExpression

 class EqualExpression
extends CompareEqualExpression

Compares two values.

Author:

Abe White

Constructor Summary

EqualExpression(Val val1, Val val2)
Constructor.

Method Summary

void	appendTo(Select sel, ExpContext ctx, BinaryOpExpState bstate, SQLBuffer buf, boolean val1Null, boolean val2Null) Append the SQL for the comparison.

Methods inherited from class org.apache.openjpa.jdbc.kernel.exps.CompareEqualExpression

acceptVisit, appendTo, getValue1, getValue2, initialize, isDirectComparison, selectColumns

Methods inherited from class java.lang.Object

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

Constructor Detail

EqualExpression

public EqualExpression(Val val1,
                       Val val2)

Constructor. Supply values to compare.

Method Detail

appendTo

public void appendTo(Select sel,
                     ExpContext ctx,
                     BinaryOpExpState bstate,
                     SQLBuffer buf,
                     boolean val1Null,
                     boolean val2Null)

Description copied from class: CompareEqualExpression

Append the SQL for the comparison.

Specified by:

appendTo in class CompareEqualExpression