com.saperion.database.query.terms

Class ParameterReference<Type>

java.lang.Object

com.saperion.database.query.QueryExpression<ExpressionType>

com.saperion.database.query.LeafExpression<Type>

com.saperion.database.query.terms.ParameterReference<Type>

All Implemented Interfaces:

Serializable

public class ParameterReference<Type>
extends LeafExpression<Type>

A QueryExpression that is a named parameter in a query. It does not hold the value, so using a reference will only work if a ParameterDefinition with the given name is used in the same query.

Author:

jschwarz

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ParameterReference(Class<Type> expressionTypeClass, String name)

Method Summary

Modifier and Type	Method and Description
void	accept(QueryExpressionVisitor visitor) This method invokes the appropriate callback of the given visitor and delegates it to its children if present.
String	getParameterName() This getter returns the name of the parameter.
String	toString()

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

getExpressionType

Methods inherited from class java.lang.Object

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

Constructor Detail

ParameterReference

public ParameterReference(Class<Type> expressionTypeClass,
                          String name)

Method Detail

accept

public void accept(QueryExpressionVisitor visitor)

Description copied from class: QueryExpression

This method invokes the appropriate callback of the given visitor and delegates it to its children if present.

Specified by:

accept in class QueryExpression<Type>

Parameters:

visitor - the visitor visiting this expression

getParameterName

public String getParameterName()

This getter returns the name of the parameter.

Returns:

the name of the parameter

toString

public String toString()

Overrides:

toString in class Object