com.saperion.database.query.predicates

Class Equality<ComparableType>

java.lang.Object

com.saperion.database.query.NodeExpression<ResultExpressionType>

com.saperion.database.query.BinaryFunction<OperandExpressionType,OperandExpressionType,ResultExpressionType>

com.saperion.database.query.InternalBinaryFunction<ComparableType,Boolean>

com.saperion.database.query.predicates.Equality<ComparableType>

All Implemented Interfaces:

QueryExpression<Boolean>, Serializable

Direct Known Subclasses:

FieldEquality

public class Equality<ComparableType>
extends InternalBinaryFunction<ComparableType,Boolean>

A QueryExpression that checks the equality of its arguments.

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
Equality(QueryExpression<ComparableType> operand1, QueryExpression<ComparableType> operand2)

Method Summary

Methods

Modifier and Type	Method and Description
QueryExpression<Boolean>	copy()

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

appendQueryParameters, asQueryLanguage, getOperand1, getOperand2, precedence, queryStringSizeGuess, setOperand1, setOperand2, toString

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

getChildren, getExpressionType, listDescendantsOfType, listParentsOfDescendantsOfType, setChild

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.saperion.database.query.QueryExpression

getExpressionType, listDescendantsOfType, listParentsOfDescendantsOfType

Field Detail

OPERATOR_IDENTIFIER

public static final String OPERATOR_IDENTIFIER

See Also:

Constant Field Values

Constructor Detail

Equality

public Equality(QueryExpression<ComparableType> operand1,
        QueryExpression<ComparableType> operand2)

Method Detail

copy

public QueryExpression<Boolean> copy()