Examples with InternalTransaction org.neo4j.kernel.impl.coreapi.InternalTransaction used on opensource projects

Example 91 with InternalTransaction

use of org.neo4j.kernel.impl.coreapi.InternalTransaction in project neo4j by neo4j.

the class MultipleOpenCursorsTest method multipleIteratorsNotNestedRange.

@ParameterizedTest
@MethodSource(value = "params")
void multipleIteratorsNotNestedRange(IndexCoordinator indexCoordinator) throws KernelException {
    assumeTrue(indexCoordinator.supportRangeQuery());
    indexCoordinator.init(db);
    try (Transaction tx = db.beginTx()) {
        // when
        KernelTransaction ktx = ((InternalTransaction) tx).kernelTransaction();
        try (NodeValueIndexCursor cursor1 = indexCoordinator.queryRange(ktx);
            NodeValueIndexCursor cursor2 = indexCoordinator.queryRange(ktx)) {
            List<Long> actual1 = asList(cursor1);
            List<Long> actual2 = asList(cursor2);
            // then
            indexCoordinator.assertRangeResult(actual1);
            indexCoordinator.assertRangeResult(actual2);
        }
        tx.commit();
    }
}

Example 92 with InternalTransaction

use of org.neo4j.kernel.impl.coreapi.InternalTransaction in project neo4j by neo4j.

the class MultipleOpenCursorsTest method multipleIteratorsNestedInterleavedExists.

@ParameterizedTest
@MethodSource(value = "params")
void multipleIteratorsNestedInterleavedExists(IndexCoordinator indexCoordinator) throws Exception {
    indexCoordinator.init(db);
    try (Transaction tx = db.beginTx()) {
        // when
        KernelTransaction ktx = ((InternalTransaction) tx).kernelTransaction();
        try (NodeValueIndexCursor cursor1 = indexCoordinator.queryExists(ktx)) {
            List<Long> actual1 = new ArrayList<>();
            try (NodeValueIndexCursor cursor2 = indexCoordinator.queryExists(ktx)) {
                List<Long> actual2 = new ArrayList<>();
                // Interleave
                exhaustInterleaved(cursor1, actual1, cursor2, actual2);
                // then
                indexCoordinator.assertExistsResult(actual1);
                indexCoordinator.assertExistsResult(actual2);
            }
        }
        tx.commit();
    }
}

Example 93 with InternalTransaction

use of org.neo4j.kernel.impl.coreapi.InternalTransaction in project neo4j by neo4j.

the class FullScanStoreViewTest method getOrCreateIds.

private void getOrCreateIds() throws KernelException {
    try (Transaction tx = graphDb.beginTx()) {
        TokenWrite tokenWrite = ((InternalTransaction) tx).kernelTransaction().tokenWrite();
        labelId = tokenWrite.labelGetOrCreateForName("Person");
        relTypeId = tokenWrite.relationshipTypeGetOrCreateForName("Knows");
        propertyKeyId = tokenWrite.propertyKeyGetOrCreateForName("name");
        relPropertyKeyId = tokenWrite.propertyKeyGetOrCreateForName("duration");
        tx.commit();
    }
}

Example 94 with InternalTransaction

use of org.neo4j.kernel.impl.coreapi.InternalTransaction in project neo4j by neo4j.

the class SchemaStorageIT method initStorage.

@BeforeEach
void initStorage() throws Exception {
    try (Transaction transaction = db.beginTx()) {
        TokenWrite tokenWrite = ((InternalTransaction) transaction).kernelTransaction().tokenWrite();
        tokenWrite.propertyKeyGetOrCreateForName(PROP1);
        tokenWrite.propertyKeyGetOrCreateForName(PROP2);
        tokenWrite.labelGetOrCreateForName(LABEL1);
        tokenWrite.labelGetOrCreateForName(LABEL2);
        tokenWrite.relationshipTypeGetOrCreateForName(TYPE1);
        transaction.commit();
    }
    schemaStore = storageEngine.testAccessNeoStores().getSchemaStore();
    storage = new SchemaStorage(schemaStore, tokenHolders, () -> KernelVersion.LATEST);
}

Example 95 with InternalTransaction

use of org.neo4j.kernel.impl.coreapi.InternalTransaction in project neo4j by neo4j.

the class DefaultValueMapperTest method shouldHandleSingleNodePath.

@Test
void shouldHandleSingleNodePath() {
    // Given
    Node node;
    try (Transaction tx = db.beginTx()) {
        node = tx.createNode();
        tx.commit();
    }
    // Then
    try (Transaction tx = db.beginTx()) {
        var mapper = new DefaultValueMapper((InternalTransaction) tx);
        Path mapped = mapper.mapPath(path(asNodeValues(node), asRelationshipsValues()));
        assertThat(mapped.length()).isEqualTo(0);
        assertThat(mapped.startNode()).isEqualTo(node);
        assertThat(mapped.endNode()).isEqualTo(node);
        assertThat(Iterables.asList(mapped.relationships())).hasSize(0);
        assertThat(Iterables.asList(mapped.reverseRelationships())).hasSize(0);
        assertThat(Iterables.asList(mapped.nodes())).isEqualTo(singletonList(node));
        assertThat(Iterables.asList(mapped.reverseNodes())).isEqualTo(singletonList(node));
        assertThat(mapped.lastRelationship()).isNull();
        assertThat(Iterators.asList(mapped.iterator())).isEqualTo(singletonList(node));
    }
}