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package org.apache.cayenne.query;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.map.ObjEntity;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.testdo.testmap.Gallery;
import org.apache.cayenne.testdo.testmap.Painting;
import org.apache.cayenne.unit.CayenneCase;
public class SelectQueryPrefetchRouterActionTest extends CayenneCase {
public void testPaintings1() {
ObjEntity paintingEntity = getDomain().getEntityResolver().lookupObjEntity(
Painting.class);
SelectQuery q = new SelectQuery(Artist.class, ExpressionFactory.matchExp(
"artistName",
"abc"));
q.addPrefetch(Artist.PAINTING_ARRAY_PROPERTY);
SelectQueryPrefetchRouterAction action = new SelectQueryPrefetchRouterAction();
MockQueryRouter router = new MockQueryRouter();
action.route(q, router, getDomain().getEntityResolver());
assertEquals(1, router.getQueryCount());
PrefetchSelectQuery prefetch = (PrefetchSelectQuery) router.getQueries().get(0);
assertSame(paintingEntity, prefetch.getRoot());
assertEquals(Expression.fromString("db:toArtist.ARTIST_NAME = 'abc'"), prefetch
.getQualifier());
}
public void testPrefetchPaintings2() {
ObjEntity paintingEntity = getDomain().getEntityResolver().lookupObjEntity(
Painting.class);
SelectQuery q = new SelectQuery(Artist.class, Expression
.fromString("artistName = 'abc' or artistName = 'xyz'"));
q.addPrefetch(Artist.PAINTING_ARRAY_PROPERTY);
SelectQueryPrefetchRouterAction action = new SelectQueryPrefetchRouterAction();
MockQueryRouter router = new MockQueryRouter();
action.route(q, router, getDomain().getEntityResolver());
assertEquals(1, router.getQueryCount());
PrefetchSelectQuery prefetch = (PrefetchSelectQuery) router.getQueries().get(0);
assertSame(paintingEntity, prefetch.getRoot());
assertEquals(
Expression
.fromString("db:toArtist.ARTIST_NAME = 'abc' or db:toArtist.ARTIST_NAME = 'xyz'"),
prefetch.getQualifier());
}
public void testGalleries() {
ObjEntity galleryEntity = getDomain().getEntityResolver().lookupObjEntity(
Gallery.class);
SelectQuery q = new SelectQuery(Artist.class, ExpressionFactory.matchExp(
"artistName",
"abc"));
q.addPrefetch("paintingArray.toGallery");
SelectQueryPrefetchRouterAction action = new SelectQueryPrefetchRouterAction();
MockQueryRouter router = new MockQueryRouter();
action.route(q, router, getDomain().getEntityResolver());
assertEquals(1, router.getQueryCount());
PrefetchSelectQuery prefetch = (PrefetchSelectQuery) router.getQueries().get(0);
assertSame(galleryEntity, prefetch.getRoot());
assertEquals(Expression
.fromString("db:paintingArray.toArtist.ARTIST_NAME = 'abc'"), prefetch
.getQualifier());
}
}