com.whitestein.lsps.lang

Class OperationExpressionHolder

java.lang.Object

com.whitestein.lsps.lang.AbstractClosureHolder

com.whitestein.lsps.lang.OperationExpressionHolder

All Implemented Interfaces:

ClosureHolder, ClosureHolderInternal, ValueHolder

public class OperationExpressionHolder
extends AbstractClosureHolder

FunctionExpression to ClosureHolder adapter. This adapter does not support handles.

Author:

rba

Constructor Summary

Constructors

Constructor and Description
OperationExpressionHolder(Namespace namespace, ClosureType type, SignatureExpression expr, ClosureOrigin origin) Creates new instance of OperationExpressionHolder.

Method Summary

Modifier and Type	Method and Description
Object	execute(InterpreterConfiguration configuration, InterpreterStackTrace stackTrace, Object... arguments) Executes this closure with given arguments.
Object	executeInNamespace(Namespace namespace, InterpreterStackTrace stackTrace, Object... arguments) Execute this closure in the given namespace.
ClosureOrigin	getClosureOrigin()
String	getExpressionString() Returns a string representation of this closure holder expression.
ClosureType	getType() Returns the type of the holder.
String	toString()

Methods inherited from class com.whitestein.lsps.lang.AbstractClosureHolder

execute, execute, execute, getId, getNamespace, getNotCompiledValueHolder

Methods inherited from class java.lang.Object

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

Constructor Detail

OperationExpressionHolder

public OperationExpressionHolder(Namespace namespace,
                                 ClosureType type,
                                 SignatureExpression expr,
                                 ClosureOrigin origin)

Creates new instance of OperationExpressionHolder.

Parameters:

namespace -

type -

expr -

origin -

Throws:

NullPointerException - if namespace or type or expr is null

Method Detail

toString

public String toString()

Overrides:

toString in class Object

execute

public Object execute(InterpreterConfiguration configuration,
                      InterpreterStackTrace stackTrace,
                      Object... arguments)
               throws ErrorException

Description copied from interface: ClosureHolder

Executes this closure with given arguments.

Parameters:

configuration - configuration to apply while interpreting closure

stackTrace - a stack trace

Returns:

the result of execution

Throws:

ErrorException

getType

public ClosureType getType()

Description copied from interface: ValueHolder

Returns the type of the holder.

Returns:

the type of the holder

getExpressionString

public String getExpressionString()

Description copied from interface: ClosureHolder

Returns a string representation of this closure holder expression.

Returns:

a string representation of this closure holder expression

getClosureOrigin

public ClosureOrigin getClosureOrigin()

Returns:

the closure origin, may be null

executeInNamespace

public Object executeInNamespace(Namespace namespace,
                                 InterpreterStackTrace stackTrace,
                                 Object... arguments)
                          throws ErrorException

Description copied from interface: ClosureHolderInternal

Execute this closure in the given namespace. Use carefully!

Returns:

a result

Throws:

ErrorException