Examples with IndexDefinition org.neo4j.graphdb.schema.IndexDefinition used on opensource projects

Example 56 with IndexDefinition

use of org.neo4j.graphdb.schema.IndexDefinition in project neo4j by neo4j.

the class SchemaImpl method getIndexes.

@Override
public Iterable<IndexDefinition> getIndexes(final Label label) {
    try (Statement statement = statementContextSupplier.get()) {
        List<IndexDefinition> definitions = new ArrayList<>();
        int labelId = statement.readOperations().labelGetForName(label.name());
        if (labelId == KeyReadOperations.NO_SUCH_LABEL) {
            return emptyList();
        }
        addDefinitions(definitions, statement.readOperations(), statement.readOperations().indexesGetForLabel(labelId), false);
        addDefinitions(definitions, statement.readOperations(), statement.readOperations().uniqueIndexesGetForLabel(labelId), true);
        return definitions;
    }
}

Example 57 with IndexDefinition

use of org.neo4j.graphdb.schema.IndexDefinition in project neo4j by neo4j.

the class SchemaAcceptanceTest method droppingAnUnexistingIndexShouldGiveHelpfulExceptionInSeparateTransactions.

@Test
public void droppingAnUnexistingIndexShouldGiveHelpfulExceptionInSeparateTransactions() throws Exception {
    // GIVEN
    IndexDefinition index = createIndex(db, label, propertyKey);
    dropIndex(index);
    // WHEN
    try {
        dropIndex(index);
        fail("Should not be able to drop index twice");
    } catch (ConstraintViolationException e) {
        assertThat(e.getMessage(), containsString("No index was found for :MY_LABEL(my_property_key)."));
    }
    // THEN
    assertThat("Index should have been deleted", getIndexes(db, label), not(contains(index)));
}

Example 58 with IndexDefinition

use of org.neo4j.graphdb.schema.IndexDefinition in project neo4j by neo4j.

the class SchemaAcceptanceTest method awaitingIndexComingOnlineWorks.

@Test
public void awaitingIndexComingOnlineWorks() {
    // GIVEN
    // WHEN
    IndexDefinition index = createIndex(db, label, propertyKey);
    // PASS
    try (Transaction tx = db.beginTx()) {
        db.schema().awaitIndexOnline(index, 1L, TimeUnit.MINUTES);
        // THEN
        assertEquals(Schema.IndexState.ONLINE, db.schema().getIndexState(index));
    }
}

Example 59 with IndexDefinition

use of org.neo4j.graphdb.schema.IndexDefinition in project neo4j by neo4j.

the class SchemaIndexWaitingAcceptanceTest method shouldTimeoutWatingForIndexToComeOnline.

@Test
public void shouldTimeoutWatingForIndexToComeOnline() throws Exception {
    // given
    GraphDatabaseService db = rule.getGraphDatabaseAPI();
    DoubleLatch latch = provider.installPopulationJobCompletionLatch();
    IndexDefinition index;
    try (Transaction tx = db.beginTx()) {
        index = db.schema().indexFor(Label.label("Person")).on("name").create();
        tx.success();
    }
    latch.waitForAllToStart();
    // when
    try (Transaction tx = db.beginTx()) {
        // then
        db.schema().awaitIndexOnline(index, 1, TimeUnit.MILLISECONDS);
        fail("Expected IllegalStateException to be thrown");
    } catch (IllegalStateException e) {
        // good
        assertThat(e.getMessage(), containsString("come online"));
    } finally {
        latch.finish();
    }
}

Example 60 with IndexDefinition

use of org.neo4j.graphdb.schema.IndexDefinition in project neo4j by neo4j.

the class SchemaAcceptanceTest method shouldRecreateDroppedIndex.

@Test
public void shouldRecreateDroppedIndex() throws Exception {
    // GIVEN
    Node node = createNode(db, propertyKey, "Neo", label);
    // create an index
    IndexDefinition index = createIndex(db, label, propertyKey);
    waitForIndex(db, index);
    // delete the index right away
    dropIndex(index);
    // WHEN recreating that index
    createIndex(db, label, propertyKey);
    waitForIndex(db, index);
    // THEN it should exist and be usable
    assertThat(getIndexes(db, label), contains(index));
    assertThat(findNodesByLabelAndProperty(label, propertyKey, "Neo", db), containsOnly(node));
}