org.zkoss.bind.impl

Class ReferenceBindingImpl

java.lang.Object

org.zkoss.bind.impl.BindingImpl

org.zkoss.bind.impl.ReferenceBindingImpl

All Implemented Interfaces:

Serializable, Binding, LoadBinding, ReferenceBinding

public class ReferenceBindingImpl
extends BindingImpl
implements ReferenceBinding

Implementation of ReferenceBinding.

Since:

6.0.0

Author:

henrichen

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ReferenceBindingImpl(Binder binder, org.zkoss.zk.ui.Component comp, String attr, String expression)

Method Summary

Methods

Modifier and Type	Method and Description
String	getPropertyString() Returns the reference expression script of this binding.
Object	getValue(BindELContext ctx) Returns the referenced value.
void	invalidateCache() Invalidate cached value of this reference.
void	load(BindContext ctx) Load data into the source attribute from the target property.
void	setValue(BindELContext ctx, Object val) Sets the value to referenced object
String	toString()

Methods inherited from class org.zkoss.bind.impl.BindingImpl

containsAttribute, getArgs, getAttribute, getBinder, getComponent, setAttribute

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.zkoss.bind.sys.Binding

getArgs, getBinder, getComponent

Constructor Detail

ReferenceBindingImpl

public ReferenceBindingImpl(Binder binder,
                    org.zkoss.zk.ui.Component comp,
                    String attr,
                    String expression)

Method Detail

getValue

public Object getValue(BindELContext ctx)

Description copied from interface: ReferenceBinding

Returns the referenced value.

Specified by:

getValue in interface ReferenceBinding

Parameters:

ctx - the context to evaluate the reference expression.

Returns:

the referenced value.

setValue

public void setValue(BindELContext ctx,
            Object val)

Description copied from interface: ReferenceBinding

Sets the value to referenced object

Specified by:

setValue in interface ReferenceBinding

Parameters:

ctx - the context to evaluate the reference expression.

load

public void load(BindContext ctx)

Description copied from interface: LoadBinding

Load data into the source attribute from the target property.

Specified by:

load in interface LoadBinding

Parameters:

ctx - the binding runtime context

getPropertyString

public String getPropertyString()

Description copied from interface: ReferenceBinding

Returns the reference expression script of this binding.

Specified by:

getPropertyString in interface ReferenceBinding

Returns:

the reference expression script of this binding.

invalidateCache

public void invalidateCache()

Description copied from interface: ReferenceBinding

Invalidate cached value of this reference.

Specified by:

invalidateCache in interface ReferenceBinding

toString

public String toString()

Overrides:

toString in class Object