org.qi4j.api.query.grammar
Class QuerySpecification

java.lang.Object
  org.qi4j.api.query.grammar.QuerySpecification

All Implemented Interfaces:

Specification<Composite>

public class QuerySpecification
extends java.lang.Object
implements Specification<Composite>

This should be used when doing native queries, such as SQL, SPARQL or similar. EntityFinders can choose what type of query languages they can understand by checking the language property of a QuerySpecification

Constructor Summary

QuerySpecification(java.lang.String language, java.lang.String query)

Method Summary

static boolean	isQueryLanguage(java.lang.String language, Specification<Composite> specification)
java.lang.String	language()
java.lang.String	query()
boolean	satisfiedBy(Composite item) Test whether an item matches the given specification
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

QuerySpecification

public QuerySpecification(java.lang.String language,
                          java.lang.String query)

Method Detail

isQueryLanguage

public static boolean isQueryLanguage(java.lang.String language,
                                      Specification<Composite> specification)

language

public java.lang.String language()

query

public java.lang.String query()

satisfiedBy

public boolean satisfiedBy(Composite item)

Description copied from interface: Specification

Test whether an item matches the given specification

Specified by:

satisfiedBy in interface Specification<Composite>

Parameters:

item - the item to be tested

Returns:

true if the item matches, false otherwise

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object