org.zkoss.bind.sys.ReferenceBinding Maven / Gradle / Ivy
/* Reference.java
Purpose:
Description:
History:
Jan 12, 2012 9:03:41 AM, Created by henrichen
Copyright (C) 2012 Potix Corporation. All Rights Reserved.
*/
package org.zkoss.bind.sys;
import org.zkoss.bind.xel.zel.BindELContext;
/**
* A reference to an expression.
* @author henrichen
* @since 6.0.0
* @see BindELContext#getVariableMapper
*/
public interface ReferenceBinding extends LoadBinding {
/**
* Returns the referenced value.
*
* @param ctx the context to evaluate the reference expression.
* @return the referenced value.
*/
public Object getValue(BindELContext ctx); //@see BindELResolver
/**
* Sets the value to referenced object
* @param ctx the context to evaluate the reference expression.
*/
public void setValue(BindELContext ctx, Object value); //@see BindELResolver
/**
* Returns the reference expression script of this binding.
* @return the reference expression script of this binding.
*/
public String getPropertyString();
/**
* Invalidate cached value of this reference.
*/
public void invalidateCache();
}