org.eclipse.birt.data.engine.api.querydefn
Class InputParameterBinding

java.lang.Object
  org.eclipse.birt.data.engine.api.querydefn.InputParameterBinding

All Implemented Interfaces:

IInputParameterBinding

public class InputParameterBinding
extends java.lang.Object
implements IInputParameterBinding

Default implementation of IInputParameterBinding interface.

Field Summary

protected IBaseExpression	expr
protected java.lang.String	name
protected int	position

Constructor Summary

InputParameterBinding(int paramPosn, IBaseExpression boundExpression)
Constructs a binding based on parameter position

InputParameterBinding(java.lang.String paramName, IBaseExpression boundExpression)
Constructs a binding based on parameter name

Method Summary

IBaseExpression	getExpr() Returns the expression that provides the value of the parameter.
java.lang.String	getName() Returns the parameter name.
int	getPosition() Returns the parameter position.

Methods inherited from class java.lang.Object

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

Field Detail

name

protected java.lang.String name

position

protected int position

expr

protected IBaseExpression expr

Constructor Detail

InputParameterBinding

public InputParameterBinding(java.lang.String paramName,
                             IBaseExpression boundExpression)

Constructs a binding based on parameter name

InputParameterBinding

public InputParameterBinding(int paramPosn,
                             IBaseExpression boundExpression)

Constructs a binding based on parameter position

Method Detail

getExpr

public IBaseExpression getExpr()

Returns the expression that provides the value of the parameter.

Specified by:

getExpr in interface IInputParameterBinding

Returns:

the bound expression

getName

public java.lang.String getName()

Returns the parameter name.

Specified by:

getName in interface IInputParameterBinding

Returns:

the name. If null, this parameter is bound by position

getPosition

public int getPosition()

Returns the parameter position.

Specified by:

getPosition in interface IInputParameterBinding

Returns:

the name. If -1, this parameter is bound by name