com.googlecode.aviator

Class BaseExpression

java.lang.Object

com.googlecode.aviator.BaseExpression

All Implemented Interfaces:

Expression

Direct Known Subclasses:

ClassExpression, LiteralExpression

public abstract class BaseExpression
extends Object
implements Expression

Base expression

Author:

dennis

Field Summary

Fields

Modifier and Type	Field and Description
protected AviatorEvaluatorInstance	instance

Constructor Summary

Constructors

Constructor and Description
BaseExpression(AviatorEvaluatorInstance instance, List<String> varNames)

Method Summary

Methods

Modifier and Type	Method and Description
Object	execute() Execute expression with empty environment
protected Env	genTopEnv(Map<String,Object> map)
Env	getCompileEnv()
String	getExpression() Returns the expression string when turn on Options.TRACE_EVAL option, else returns null.
List<String>	getVariableFullNames() Returns this expression's all variable full names in order when using AviatorEvaluator.EVAL mode,else returns empty set
List<String>	getVariableNames() Returns this expression's all variable names in order when using AviatorEvaluator.EVAL mode,else returns empty set
protected Env	newEnv(Map<String,Object> map)
protected Env	newEnv(Map<String,Object> map, boolean direct)
void	setCompileEnv(Env compileEnv)
void	setExpression(String expression)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.googlecode.aviator.Expression

execute

Field Detail

instance

protected AviatorEvaluatorInstance instance

Constructor Detail

BaseExpression

public BaseExpression(AviatorEvaluatorInstance instance,
              List<String> varNames)

Method Detail

getCompileEnv

public Env getCompileEnv()

setCompileEnv

public void setCompileEnv(Env compileEnv)

getExpression

public String getExpression()

Returns the expression string when turn on Options.TRACE_EVAL option, else returns null.

Returns:

expression in string.

setExpression

public void setExpression(String expression)

execute

public Object execute()

Description copied from interface: Expression

Execute expression with empty environment

Specified by:

execute in interface Expression

Returns:

getVariableFullNames

public List<String> getVariableFullNames()

Description copied from interface: Expression

Returns this expression's all variable full names in order when using AviatorEvaluator.EVAL mode,else returns empty set

Specified by:

getVariableFullNames in interface Expression

Returns:

getVariableNames

public List<String> getVariableNames()

Description copied from interface: Expression

Returns this expression's all variable names in order when using AviatorEvaluator.EVAL mode,else returns empty set

Specified by:

getVariableNames in interface Expression

Returns:

See Also:

AviatorEvaluator.EVAL

newEnv

protected Env newEnv(Map<String,Object> map,
         boolean direct)

genTopEnv

protected Env genTopEnv(Map<String,Object> map)

newEnv

protected Env newEnv(Map<String,Object> map)