Module org.evrete.core

Package org.evrete.api

Class LhsField<Fact,Field>

java.lang.Object

org.evrete.api.LhsField<Fact,Field>

Type Parameters:

Fact - the type of the referenced fact

Field - the type of the referenced field

public class LhsField<Fact,Field>
extends Object

A convenient generic class for referencing LHS (Left-Hand Side) field declarations. During different lifecycle stages of rules, the engine uses various (often temporary) representations of field references, and this class provides a convenient means of transforming these references.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	LhsField.Array<Fact,Field>	In many cases, the order of field references matters, and this class provides a wrapper for an array of references.

Constructor Summary

Constructors

Constructor	Description
LhsField(Fact fact, Field field)
LhsField(Fact fact, LhsField<?,Field> other)
LhsField(LhsField<Fact,?> other, Field field)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
Fact	fact()
Field	field()
int	hashCode()
static LhsField<String,String>	parseDottedVariable(String arg)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

LhsField

public LhsField(Fact fact,
 Field field)

LhsField

public LhsField(LhsField<Fact,?> other,
 Field field)

LhsField

public LhsField(Fact fact,
 LhsField<?,Field> other)

Method Details

fact

public Fact fact()

field

public Field field()

parseDottedVariable

public static LhsField<String,String> parseDottedVariable(String arg)

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object