com.saperion.database.query.predicates

Class IsNull<Type>

java.lang.Object

com.saperion.database.query.UnaryOperator<Type,Boolean>

com.saperion.database.query.predicates.IsNull<Type>

All Implemented Interfaces:

QueryExpression<Boolean>, Serializable

public class IsNull<Type>
extends UnaryOperator<Type,Boolean>

A QueryExpression that checks whether its operand is null.

Author:

jschwarz

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	OPERATOR_IDENTIFIER

Constructor Summary

Constructors

Constructor and Description
IsNull(QueryExpression<? extends Type> operand)

Method Summary

Methods inherited from class com.saperion.database.query.UnaryOperator

appendQueryParameters, asQueryLanguage, precedence, queryStringSizeGuess, toString

Methods inherited from class java.lang.Object

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

Field Detail

OPERATOR_IDENTIFIER

public static final String OPERATOR_IDENTIFIER

See Also:

Constant Field Values

Constructor Detail

IsNull

public IsNull(QueryExpression<? extends Type> operand)