org.mule.runtime.core.expression.transformers

Class ExpressionArgument

java.lang.Object

org.mule.runtime.core.expression.transformers.ExpressionArgument

All Implemented Interfaces:

MuleContextAware

public class ExpressionArgument
extends Object
implements MuleContextAware

TODO

Field Summary

Fields

Modifier and Type	Field and Description
protected ClassLoader	expressionEvaluationClassLoader

Constructor Summary

Constructors

Constructor and Description
ExpressionArgument()
ExpressionArgument(String name, ExpressionConfig expressionConfig, boolean optional)
ExpressionArgument(String name, ExpressionConfig expressionConfig, boolean optional, Class<?> returnClass)

Method Summary

Modifier and Type	Method and Description
Object	evaluate(Event event) Evaluates this Expression against the passed in Message.
String	getExpression()
ExpressionConfig	getExpressionConfig()
protected String	getFullExpression()
String	getName()
Class<?>	getReturnClass()
boolean	isOptional()
void	setExpression(String expression)
void	setExpressionConfig(ExpressionConfig expressionConfig)
void	setExpressionEvaluationClassLoader(ClassLoader expressionEvaluationClassLoader)
void	setMuleContext(MuleContext context)
void	setName(String name)
void	setOptional(boolean optional)
void	setReturnDataType(Class<?> returnClass)
protected void	validate()

Methods inherited from class java.lang.Object

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

Field Detail

expressionEvaluationClassLoader

protected ClassLoader expressionEvaluationClassLoader

Constructor Detail

ExpressionArgument

public ExpressionArgument()

ExpressionArgument

public ExpressionArgument(String name,
                          ExpressionConfig expressionConfig,
                          boolean optional)

ExpressionArgument

public ExpressionArgument(String name,
                          ExpressionConfig expressionConfig,
                          boolean optional,
                          Class<?> returnClass)

Method Detail

setMuleContext

public void setMuleContext(MuleContext context)

Specified by:

setMuleContext in interface MuleContextAware

Parameters:

context - the Mule node.

getName

public String getName()

setName

public void setName(String name)

getExpressionConfig

public ExpressionConfig getExpressionConfig()

setExpressionConfig

public void setExpressionConfig(ExpressionConfig expressionConfig)

isOptional

public boolean isOptional()

setOptional

public void setOptional(boolean optional)

getFullExpression

protected String getFullExpression()

validate

protected void validate()

evaluate

public Object evaluate(Event event)
                throws ExpressionRuntimeException

Evaluates this Expression against the passed in Message. If a returnClass is set on this Expression Argument it will be checked to ensure the Argument returns the correct class type.

Parameters:

event - the event to execute the expression on

Returns:

the result of the expression

Throws:

ExpressionRuntimeException - if the wrong return type is returned from the expression.

getExpression

public String getExpression()

setExpression

public void setExpression(String expression)

getReturnClass

public Class<?> getReturnClass()

setReturnDataType

public void setReturnDataType(Class<?> returnClass)

setExpressionEvaluationClassLoader

public void setExpressionEvaluationClassLoader(ClassLoader expressionEvaluationClassLoader)