com.whitestein.lsps.lang

Class ClosureExpressionHolder

java.lang.Object

com.whitestein.lsps.lang.AbstractClosureHolder

com.whitestein.lsps.lang.ClosureExpressionHolder

All Implemented Interfaces:

ClosureHolder, ClosureHolderInternal, ValueHolder

public class ClosureExpressionHolder
extends AbstractClosureHolder

ClosureExpression to ClosureHolder adapter.

Author:

rba

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLOSURE_NAMESPACE_NAME Namespace name for closures.

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
Object	execute(InterpreterConfiguration configuration, InterpreterStackTrace stackTrace, Object... args) Executes this closure with given arguments.
Object	executeInNamespace(Namespace namespace, InterpreterStackTrace stackTrace, Object... args) 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

Field Detail

CLOSURE_NAMESPACE_NAME

public static final String CLOSURE_NAMESPACE_NAME

Namespace name for closures.

See Also:

Constant Field Values

Constructor Detail

ClosureExpressionHolder

public ClosureExpressionHolder(Namespace namespace,
                               ClosureType type,
                               ClosureExpression expr,
                               ClosureOrigin origin)

Creates new instance of ClosureExpressionHolder.

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... args)
               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

executeInNamespace

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

Description copied from interface: ClosureHolderInternal

Execute this closure in the given namespace. Use carefully!

Returns:

a result

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