Examples with DataWriteOperations org.neo4j.kernel.api.DataWriteOperations used on opensource projects

Example 16 with DataWriteOperations

use of org.neo4j.kernel.api.DataWriteOperations in project neo4j by neo4j.

the class PropertyIT method shouldRollbackSetNodePropertyValue.

@Test
public void shouldRollbackSetNodePropertyValue() throws Exception {
    // GIVEN
    Statement statement = statementInNewTransaction(AnonymousContext.writeToken());
    long nodeId = statement.dataWriteOperations().nodeCreate();
    int propertyKeyId = statement.tokenWriteOperations().propertyKeyGetOrCreateForName("clown");
    commit();
    // WHEN
    DataWriteOperations dataWriteOperations = dataWriteOperationsInNewTransaction();
    dataWriteOperations.nodeSetProperty(nodeId, stringProperty(propertyKeyId, "bozo"));
    rollback();
    // THEN
    ReadOperations readOperations = readOperationsInNewTransaction();
    assertThat(readOperations.nodeHasProperty(nodeId, propertyKeyId), is(false));
    assertThat(readOperations.nodeGetProperty(nodeId, propertyKeyId), nullValue());
}

Example 17 with DataWriteOperations

use of org.neo4j.kernel.api.DataWriteOperations in project neo4j by neo4j.

the class PropertyIT method shouldUpdateNodePropertyValue.

@Test
public void shouldUpdateNodePropertyValue() throws Exception {
    // GIVEN
    Statement statement = statementInNewTransaction(AnonymousContext.writeToken());
    long nodeId = statement.dataWriteOperations().nodeCreate();
    int propertyId = statement.tokenWriteOperations().propertyKeyGetOrCreateForName("clown");
    statement.dataWriteOperations().nodeSetProperty(nodeId, stringProperty(propertyId, "bozo"));
    commit();
    // WHEN
    DataWriteOperations dataWriteOperations = dataWriteOperationsInNewTransaction();
    dataWriteOperations.nodeSetProperty(nodeId, Property.intProperty(propertyId, 42));
    commit();
    // THEN
    ReadOperations readOperations = readOperationsInNewTransaction();
    assertEquals(42, readOperations.nodeGetProperty(nodeId, propertyId));
}