org.apache.polygene.api.query.grammar

Class QuerySpecification

java.lang.Object

org.apache.polygene.api.query.grammar.QuerySpecification

All Implemented Interfaces:

Predicate<Composite>

public class QuerySpecification
extends Object
implements Predicate<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

Constructors

Constructor and Description
QuerySpecification(String language, String query)

Method Summary

Modifier and Type	Method and Description
static boolean	isQueryLanguage(String language, Predicate<Composite> specification)
String	language()
String	query()
boolean	test(Composite item)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Predicate

and, isEqual, negate, or

Constructor Detail

QuerySpecification

public QuerySpecification(String language,
                          String query)

Method Detail

isQueryLanguage

public static boolean isQueryLanguage(String language,
                                      Predicate<Composite> specification)

language

public String language()

query

public String query()

test

public boolean test(Composite item)

Specified by:

test in interface Predicate<Composite>

toString

public String toString()

Overrides:

toString in class Object