org.apache.cassandra.cql3
Class Relation

java.lang.Object
  org.apache.cassandra.cql3.Relation

public class Relation
extends java.lang.Object

Relations encapsulate the relationship between an entity of some kind, and a value (term). For example, > "start" or "colname1" = "somevalue".

Nested Class Summary

static class

Relation.Type

Constructor Summary

Relation(ColumnIdentifier entity, java.lang.String type, Term value)
Creates a new relation.

Method Summary

void	addInValue(Term t)
static Relation	createInRelation(ColumnIdentifier entity)
ColumnIdentifier	getEntity()
java.util.List<Term>	getInValues()
Term	getValue()
Relation.Type	operator()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Relation

public Relation(ColumnIdentifier entity,
                java.lang.String type,
                Term value)

Creates a new relation.

Parameters:

entity - the kind of relation this is; what the term is being compared to.

type - the type that describes how this entity relates to the value.

value - the value being compared.

Method Detail

createInRelation

public static Relation createInRelation(ColumnIdentifier entity)

operator

public Relation.Type operator()

getEntity

public ColumnIdentifier getEntity()

getValue

public Term getValue()

getInValues

public java.util.List<Term> getInValues()

addInValue

public void addInValue(Term t)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object