Examples with ChangeFetcher nl.knaw.huygens.timbuctoo.v5.dataset.ChangeFetcher used on opensource projects

Example 6 with ChangeFetcher

use of nl.knaw.huygens.timbuctoo.v5.dataset.ChangeFetcher in project timbuctoo by HuygensING.

the class ChangeFetcherImplTest method showsAdditions.

@Test
public void showsAdditions() throws Exception {
    final BdbNonPersistentEnvironmentCreator databaseCreator = new BdbNonPersistentEnvironmentCreator();
    final BdbTripleStore bdbTripleStore = new BdbTripleStore(databaseCreator.getDatabase("a", "b", "rdfData", true, TupleBinding.getPrimitiveBinding(String.class), TupleBinding.getPrimitiveBinding(String.class), new StringStringIsCleanHandler()));
    final BdbTruePatchStore truePatchStore = new BdbTruePatchStore(databaseCreator.getDatabase("a", "b", "truePatch", true, TupleBinding.getPrimitiveBinding(String.class), TupleBinding.getPrimitiveBinding(String.class), new StringStringIsCleanHandler()));
    bdbTripleStore.putQuad("subj", "pred", OUT, "obj", null, null);
    truePatchStore.put("subj", 0, "pred", OUT, true, "obj", null, null);
    ChangeFetcherImpl changeFetcher = new ChangeFetcherImpl(truePatchStore, bdbTripleStore, 0);
    try (Stream<CursorQuad> predicates = changeFetcher.getPredicates("subj", "pred", OUT, false, false, true)) {
        assertThat(predicates.count(), is(1L));
    }
    try (Stream<CursorQuad> predicates = changeFetcher.getPredicates("subj", "pred", OUT, true, true, true)) {
        assertThat(predicates.count(), is(1L));
    }
    try (Stream<CursorQuad> predicates = changeFetcher.getPredicates("subj", "pred", OUT, true, false, true)) {
        assertThat(predicates.count(), is(1L));
    }
    bdbTripleStore.putQuad("subj", "pred", OUT, "obj2", null, null);
    truePatchStore.put("subj", 1, "pred", OUT, true, "obj2", null, null);
    changeFetcher = new ChangeFetcherImpl(truePatchStore, bdbTripleStore, 1);
    try (Stream<CursorQuad> predicates = changeFetcher.getPredicates("subj", "pred", OUT, false, false, true)) {
        assertThat(predicates.count(), is(1L));
    }
    try (Stream<CursorQuad> predicates = changeFetcher.getPredicates("subj", "pred", OUT, true, true, true)) {
        assertThat(predicates.count(), is(2L));
    }
    try (Stream<CursorQuad> predicates = changeFetcher.getPredicates("subj", "pred", OUT, true, false, true)) {
        assertThat(predicates.count(), is(1L));
    }
}