Package org.zkoss.zkmax.bind.impl

Class ValueExpressionImplEx

java.lang.Object

org.zkoss.zel.Expression

org.zkoss.zel.ValueExpression

org.zkoss.zel.impl.ValueExpressionImpl

org.zkoss.zkmax.bind.impl.ValueExpressionImplEx

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable

public class ValueExpressionImplEx
extends ValueExpressionImpl

An extension of ValueExpressionImpl to do a lazy initiating EL expression construction.

Since:

8.0.0

Author:

jumperchen

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
ValueExpressionImplEx()
ValueExpressionImplEx(java.lang.String expr, Node node, FunctionMapper fnMapper, VariableMapper varMapper, java.lang.Class<?> expectedType, BindExpressionBuilderEx buidler)

Method Summary

Modifier and Type	Method	Description
java.lang.Object	getValue(ELContext context)
void	setValue(ELContext context, java.lang.Object value)

Methods inherited from class org.zkoss.zel.impl.ValueExpressionImpl

equals, getExpectedType, getExpressionString, getType, getValueReference, hashCode, isLiteralText, isReadOnly, readExternal, toString, writeExternal

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ValueExpressionImplEx

public ValueExpressionImplEx()

ValueExpressionImplEx

public ValueExpressionImplEx(java.lang.String expr,
                             Node node,
                             FunctionMapper fnMapper,
                             VariableMapper varMapper,
                             java.lang.Class<?> expectedType,
                             BindExpressionBuilderEx buidler)

Method Detail

getValue

public java.lang.Object getValue(ELContext context)
                          throws PropertyNotFoundException,
                                 ELException

Overrides:

getValue in class ValueExpressionImpl

Parameters:

context - The EL context for this evaluation

Returns:

The result of evaluating this value expression

Throws:

PropertyNotFoundException - If a property/variable resolution failed because no match was found or a match was found but was not readable

ELException - Wraps any exception throw whilst resolving a property or variable

setValue

public void setValue(ELContext context,
                     java.lang.Object value)
              throws PropertyNotFoundException,
                     PropertyNotWritableException,
                     ELException

Overrides:

setValue in class ValueExpressionImpl

Parameters:

context - The EL context for this evaluation

value - The value to set the property to which this value expression refers

Throws:

PropertyNotFoundException - If a property/variable resolution failed because no match was found

PropertyNotWritableException - If a property/variable resolution failed because a match was found but was not writable

ELException - Wraps any exception throw whilst resolving a property or variable