com.whitestein.lsps.engine.lang

Class ExpressionHolder<E extends Expression>

java.lang.Object

com.whitestein.lsps.engine.lang.HolderImpl<ExpressionValue>

com.whitestein.lsps.engine.lang.ExpressionHolder<E>

Type Parameters:

E -

All Implemented Interfaces:

ValueHolder

Direct Known Subclasses:

CompiledClosureHolder

public abstract class ExpressionHolder<E extends Expression>
extends HolderImpl<ExpressionValue>

Author:

rba

Constructor Summary

Constructors

Constructor and Description
ExpressionHolder(ExpressionValue val, ModelProvider modelProvider) Creates new instance of ExpressionHolder.

Method Summary

Modifier and Type	Method and Description
void	clearRuntimeValues() Clears referenced runtime values.
long	getContextId() Returns id of the referenced context.
E	getExpression() Returns the contained expression.
protected ClosureOrigin	getExpressionOrigin()
Namespace	getNamespace() Returns the namespace associated with the expression.
protected void	validate()

Methods inherited from class com.whitestein.lsps.engine.lang.HolderImpl

equals, getBaseLevelEntityId, getConverter, getEvaluationConverter, getHandle, getId, getModelInstance, getModelProvider, getNotCompiledValueHolder, getProcessModel, getType, getVal, hashCode, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionHolder

public ExpressionHolder(ExpressionValue val,
                        ModelProvider modelProvider)

Creates new instance of ExpressionHolder.

Parameters:

val -

modelProvider -

Throws:

NullPointerException - if val or modelProvider is null

Method Detail

validate

protected void validate()

getNamespace

public Namespace getNamespace()

Returns the namespace associated with the expression.

Returns:

the namespace associated with the expression

getContextId

public long getContextId()

Returns id of the referenced context.

Returns:

id of the referenced context

getExpression

public E getExpression()

Returns the contained expression.

Returns:

the contained expression

getExpressionOrigin

protected ClosureOrigin getExpressionOrigin()

clearRuntimeValues

public void clearRuntimeValues()

Description copied from class: HolderImpl

Clears referenced runtime values.

Specified by:

clearRuntimeValues in class HolderImpl<ExpressionValue>