javax.persistence
Interface Parameter<T>

Type Parameters:

T - the type of the parameter

All Superinterfaces:

Expression<T>, ResultItem<T>, Selection<T>

public interface Parameter<T>
extends Expression<T>

Type for query parameters.

Since:

Java Persistence 2.0

Method Summary

java.lang.String	getName() Return the parameter name, or null if the parameter is not a named parameter.
java.lang.Integer	getPosition() Return the parameter position, or null if the parameter is not a positional parameter.

Methods inherited from interface javax.persistence.criteria.Expression

as, getJavaType, in, isNotNull, isNull

Methods inherited from interface javax.persistence.criteria.Selection

setAlias

Methods inherited from interface javax.persistence.ResultItem

getAlias

Method Detail

getName

java.lang.String getName()

Return the parameter name, or null if the parameter is not a named parameter.

Returns:

parameter name

getPosition

java.lang.Integer getPosition()

Return the parameter position, or null if the parameter is not a positional parameter.

Returns:

position of parameter