com.api.jsonata4java.expressions

Class FrameEnvironment

java.lang.Object

com.api.jsonata4java.expressions.FrameEnvironment

All Implemented Interfaces:

Serializable

public class FrameEnvironment
extends Object
implements Serializable

Object to manage access to variable and function maps used in the ExpressionsVisitor to manage the current block's environment.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FrameEnvironment(FrameEnvironment enclosingFrame) Constructor taking a null enclosing frame to form the root of the environment hierarchy, or an existing enclosing frame

Method Summary

Modifier and Type	Method and Description
boolean	async()
void	clearContext()
Deque<com.fasterxml.jackson.databind.JsonNode>	getContextStack()
DeclaredFunction	getDeclaredFunction(String fctName)
Function	getJsonataFunction(String fctName)
com.fasterxml.jackson.databind.JsonNode	getVariable(String varName)
boolean	isEmptyContext()
Long	millis()
String	now()
com.fasterxml.jackson.databind.JsonNode	peekContext()
com.fasterxml.jackson.databind.JsonNode	popContext()
com.fasterxml.jackson.databind.JsonNode	pushContext(com.fasterxml.jackson.databind.JsonNode context)
void	setAsync(boolean isAsync)
void	setDeclaredFunction(String fctName, DeclaredFunction fctValue)
void	setJsonataFunction(String fctName, Function fctValue)
void	setVariable(String varName, com.fasterxml.jackson.databind.JsonNode varValue)
int	sizeContext()

Methods inherited from class java.lang.Object

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

Constructor Detail

FrameEnvironment

public FrameEnvironment(FrameEnvironment enclosingFrame)

Constructor taking a null enclosing frame to form the root of the environment hierarchy, or an existing enclosing frame

Parameters:

enclosingFrame -

Method Detail

async

public boolean async()

clearContext

public void clearContext()

getContextStack

public Deque<com.fasterxml.jackson.databind.JsonNode> getContextStack()

getDeclaredFunction

public DeclaredFunction getDeclaredFunction(String fctName)

getJsonataFunction

public Function getJsonataFunction(String fctName)

getVariable

public com.fasterxml.jackson.databind.JsonNode getVariable(String varName)

isEmptyContext

public boolean isEmptyContext()

millis

public Long millis()

now

public String now()

peekContext

public com.fasterxml.jackson.databind.JsonNode peekContext()

popContext

public com.fasterxml.jackson.databind.JsonNode popContext()

pushContext

public com.fasterxml.jackson.databind.JsonNode pushContext(com.fasterxml.jackson.databind.JsonNode context)

setAsync

public void setAsync(boolean isAsync)

setDeclaredFunction

public void setDeclaredFunction(String fctName,
                                DeclaredFunction fctValue)
                         throws EvaluateRuntimeException

Throws:

EvaluateRuntimeException

setJsonataFunction

public void setJsonataFunction(String fctName,
                               Function fctValue)
                        throws EvaluateRuntimeException

Throws:

EvaluateRuntimeException

setVariable

public void setVariable(String varName,
                        com.fasterxml.jackson.databind.JsonNode varValue)
                 throws EvaluateRuntimeException

Throws:

EvaluateRuntimeException

sizeContext

public int sizeContext()