org.apache.el.lang

Class LambdaExpressionNestedState

java.lang.Object

org.apache.el.lang.LambdaExpressionNestedState

public final class LambdaExpressionNestedState
extends java.lang.Object

Stores the state required for correct evaluation of lambda expressions. Lambda expressions may be nested. Correct evaluation requires knowledge not just of the current lambda expression, but also of any nested and nesting expressions.

The sets of nodes for parsed expressions are cached and, as a result, a set of nodes may be being used by multiple concurrent threads. This means any state relating to evaluation cannot be stored in the nodes. State is therefore stored in the EvaluationContext which is created, used for a single evaluation and then discarded.

Constructor Summary

Constructors

Constructor and Description
LambdaExpressionNestedState()

Method Summary

Modifier and Type	Method and Description
boolean	getHasFormalParameters()
int	getNestingCount()
void	incrementNestingCount()
void	setHasFormalParameters()

Methods inherited from class java.lang.Object

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

Constructor Detail

LambdaExpressionNestedState

public LambdaExpressionNestedState()

Method Detail

incrementNestingCount

public void incrementNestingCount()

getNestingCount

public int getNestingCount()

setHasFormalParameters

public void setHasFormalParameters()

getHasFormalParameters

public boolean getHasFormalParameters()