org.deri.cqels.engine

Class CQELSEngine

java.lang.Object

org.deri.cqels.engine.CQELSEngine

public class CQELSEngine
extends java.lang.Object

This class implements CQELS engine. It has an Esper Service provider and context belonging to

Author:

Danh Le Phuoc, Chan Le Van

Constructor Summary

Constructors

Constructor and Description
CQELSEngine(ExecContext context)

Method Summary

Methods

Modifier and Type	Method and Description
EPStatement	addSmt(java.lang.String stmt)
EPStatement	addWindow(com.hp.hpl.jena.sparql.core.Quad quad, java.lang.String window)
com.hp.hpl.jena.graph.Node	decode(java.lang.Long id)
long	encode(com.hp.hpl.jena.graph.Node node)
boolean	match(EnQuad quad, com.hp.hpl.jena.graph.Triple t)
boolean	match(com.hp.hpl.jena.graph.Node n, long id)
void	send(com.hp.hpl.jena.graph.Node graph, com.hp.hpl.jena.graph.Node s, com.hp.hpl.jena.graph.Node p, com.hp.hpl.jena.graph.Node o) send a quad which is represented as a graph, subject, predicate and object node to engine
void	send(com.hp.hpl.jena.graph.Node graph, com.hp.hpl.jena.graph.Triple triple) send a quad which is represented as a graph node and a triple to engine
void	send(com.hp.hpl.jena.sparql.core.Quad quad) send a quad to to engine

Methods inherited from class java.lang.Object

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

Constructor Detail

CQELSEngine

public CQELSEngine(ExecContext context)

Parameters:

context - the context this engine belonging to

Method Detail

send

public void send(com.hp.hpl.jena.sparql.core.Quad quad)

send a quad to to engine

Parameters:

quad - the quad will be sent after encoded

send

public void send(com.hp.hpl.jena.graph.Node graph,
        com.hp.hpl.jena.graph.Triple triple)

send a quad which is represented as a graph node and a triple to engine

Parameters:

graph - graph node

triple -

send

public void send(com.hp.hpl.jena.graph.Node graph,
        com.hp.hpl.jena.graph.Node s,
        com.hp.hpl.jena.graph.Node p,
        com.hp.hpl.jena.graph.Node o)

send a quad which is represented as a graph, subject, predicate and object node to engine

Parameters:

graph - graph node

s - subject

p - predicate

o - object

addWindow

public EPStatement addWindow(com.hp.hpl.jena.sparql.core.Quad quad,
                    java.lang.String window)

addSmt

public EPStatement addSmt(java.lang.String stmt)

encode

public long encode(com.hp.hpl.jena.graph.Node node)

decode

public com.hp.hpl.jena.graph.Node decode(java.lang.Long id)

match

public boolean match(com.hp.hpl.jena.graph.Node n,
            long id)

match

public boolean match(EnQuad quad,
            com.hp.hpl.jena.graph.Triple t)