io.rapidpro.expressions

Class EvaluationContext

java.lang.Object

io.rapidpro.expressions.EvaluationContext

public class EvaluationContext
extends Object

The evaluation context, i.e. date options and the variables accessible in an expression

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	EvaluationContext.Deserializer JSON de-serializer for evaluation contexts

Field Summary

Fields

Modifier and Type	Field and Description
protected DateStyle	m_dateStyle
protected org.threeten.bp.ZoneId	m_timezone
protected Map<String,Object>	m_variables
protected static com.google.gson.Gson	s_gson

Constructor Summary

Constructors

Constructor and Description
EvaluationContext()
EvaluationContext(Map<String,Object> variables, org.threeten.bp.ZoneId timezone, DateStyle dateStyle)

Method Summary

Modifier and Type	Method and Description
static EvaluationContext	fromJson(String json)
org.threeten.bp.format.DateTimeFormatter	getDateFormatter(boolean incTime)
DateParser	getDateParser()
DateStyle	getDateStyle()
org.threeten.bp.ZoneId	getTimezone()
Map<String,Object>	getVariables()
void	putVariable(String key, Object value)
Object	resolveVariable(String path) Returns a named variable, e.g.
void	setDateStyle(DateStyle dateStyle)

Methods inherited from class java.lang.Object

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

Field Detail

s_gson

protected static com.google.gson.Gson s_gson

m_variables

protected Map<String,Object> m_variables

m_timezone

protected org.threeten.bp.ZoneId m_timezone

m_dateStyle

protected DateStyle m_dateStyle

Constructor Detail

EvaluationContext

public EvaluationContext()

EvaluationContext

public EvaluationContext(Map<String,Object> variables,
                         org.threeten.bp.ZoneId timezone,
                         DateStyle dateStyle)

Method Detail

fromJson

public static EvaluationContext fromJson(String json)

getVariables

public Map<String,Object> getVariables()

resolveVariable

public Object resolveVariable(String path)

Returns a named variable, e.g. contact, contact.name

Parameters:

path - the dot notation variable path

Returns:

the variable value

Throws:

EvaluationError - if variable is not defined

putVariable

public void putVariable(String key,
                        Object value)

getTimezone

public org.threeten.bp.ZoneId getTimezone()

getDateStyle

public DateStyle getDateStyle()

setDateStyle

public void setDateStyle(DateStyle dateStyle)

getDateFormatter

public org.threeten.bp.format.DateTimeFormatter getDateFormatter(boolean incTime)

getDateParser

public DateParser getDateParser()