Examples with Relationship org.neo4j.graphdb.Relationship used on opensource projects

Example 66 with Relationship

use of org.neo4j.graphdb.Relationship in project graphdb by neo4j-attic.

the class TestRelationship method testDeletedRelationship.

@Test
public void testDeletedRelationship() {
    Node node1 = getGraphDb().createNode();
    Node node2 = getGraphDb().createNode();
    Relationship relationship = node1.createRelationshipTo(node2, MyRelTypes.TEST);
    relationship.delete();
    try {
        relationship.setProperty("key1", new Integer(1));
        fail("Adding property to deleted rel should throw exception.");
    } catch (Exception e) {
    // good
    }
    node1.delete();
    node2.delete();
}

Example 67 with Relationship

use of org.neo4j.graphdb.Relationship in project graphdb by neo4j-attic.

the class TestRelationship method testRelGetProperties.

@Test
public void testRelGetProperties() {
    Integer int1 = new Integer(1);
    Integer int2 = new Integer(2);
    String string = new String("3");
    Node node1 = getGraphDb().createNode();
    Node node2 = getGraphDb().createNode();
    Relationship rel1 = node1.createRelationshipTo(node2, MyRelTypes.TEST);
    try {
        rel1.getProperty(key1);
        fail("get non existing property din't throw exception");
    } catch (NotFoundException e) {
    }
    try {
        rel1.getProperty(null);
        fail("get of null key din't throw exception");
    } catch (IllegalArgumentException e) {
    }
    assertTrue(!rel1.hasProperty(key1));
    assertTrue(!rel1.hasProperty(null));
    rel1.setProperty(key1, int1);
    rel1.setProperty(key2, int2);
    rel1.setProperty(key3, string);
    assertTrue(rel1.hasProperty(key1));
    assertTrue(rel1.hasProperty(key2));
    assertTrue(rel1.hasProperty(key3));
    try {
        rel1.removeProperty(key3);
    } catch (NotFoundException e) {
        fail("Remove of property failed.");
    }
    assertTrue(!rel1.hasProperty(key3));
    assertTrue(!rel1.hasProperty(null));
    rel1.delete();
    node2.delete();
    node1.delete();
}

Example 68 with Relationship

use of org.neo4j.graphdb.Relationship in project graphdb by neo4j-attic.

the class TestTransactionEvents method shouldGetCorrectTransactionDataUponCommit.

@Test
public void shouldGetCorrectTransactionDataUponCommit() {
    makeSureRelationshipTypeIsCreated(RelTypes.TXEVENT);
    // Create new data, nothing modified, just added/created
    ExpectedTransactionData expectedData = new ExpectedTransactionData();
    VerifyingTransactionEventHandler handler = new VerifyingTransactionEventHandler(expectedData);
    getGraphDb().registerTransactionEventHandler(handler);
    newTransaction();
    Node node1 = null, node2 = null, node3 = null;
    Relationship rel1 = null, rel2 = null;
    try {
        node1 = getGraphDb().createNode();
        expectedData.expectedCreatedNodes.add(node1);
        node2 = getGraphDb().createNode();
        expectedData.expectedCreatedNodes.add(node2);
        rel1 = node1.createRelationshipTo(node2, RelTypes.TXEVENT);
        expectedData.expectedCreatedRelationships.add(rel1);
        node1.setProperty("name", "Mattias");
        expectedData.assignedProperty(node1, "name", "Mattias", null);
        node1.setProperty("last name", "Persson");
        expectedData.assignedProperty(node1, "last name", "Persson", null);
        node1.setProperty("counter", 10);
        expectedData.assignedProperty(node1, "counter", 10, null);
        rel1.setProperty("description", "A description");
        expectedData.assignedProperty(rel1, "description", "A description", null);
        rel1.setProperty("number", 4.5D);
        expectedData.assignedProperty(rel1, "number", 4.5D, null);
        node3 = getGraphDb().createNode();
        expectedData.expectedCreatedNodes.add(node3);
        rel2 = node3.createRelationshipTo(node2, RelTypes.TXEVENT);
        expectedData.expectedCreatedRelationships.add(rel2);
        node3.setProperty("name", "Node 3");
        expectedData.assignedProperty(node3, "name", "Node 3", null);
        newTransaction();
        assertTrue(handler.hasBeenCalled());
    } finally {
        getGraphDb().unregisterTransactionEventHandler(handler);
    }
    // Use the above data and modify it, change properties, delete stuff
    expectedData = new ExpectedTransactionData();
    handler = new VerifyingTransactionEventHandler(expectedData);
    getGraphDb().registerTransactionEventHandler(handler);
    newTransaction();
    try {
        Node tempNode = getGraphDb().createNode();
        Relationship tempRel = tempNode.createRelationshipTo(node1, RelTypes.TXEVENT);
        tempNode.setProperty("something", "Some value");
        tempRel.setProperty("someproperty", 101010);
        tempNode.removeProperty("nothing");
        node3.setProperty("test", "hello");
        node3.setProperty("name", "No name");
        node3.delete();
        expectedData.expectedDeletedNodes.add(node3);
        expectedData.removedProperty(node3, "name", null, "Node 3");
        node1.setProperty("new name", "A name");
        node1.setProperty("new name", "A better name");
        expectedData.assignedProperty(node1, "new name", "A better name", null);
        node1.setProperty("name", "Nothing");
        node1.setProperty("name", "Mattias Persson");
        expectedData.assignedProperty(node1, "name", "Mattias Persson", "Mattias");
        node1.removeProperty("counter");
        expectedData.removedProperty(node1, "counter", null, 10);
        node1.removeProperty("last name");
        node1.setProperty("last name", "Hi");
        expectedData.assignedProperty(node1, "last name", "Hi", "Persson");
        rel2.delete();
        expectedData.expectedDeletedRelationships.add(rel2);
        rel1.removeProperty("number");
        expectedData.removedProperty(rel1, "number", null, 4.5D);
        rel1.setProperty("description", "Ignored");
        rel1.setProperty("description", "New");
        expectedData.assignedProperty(rel1, "description", "New", "A description");
        tempRel.delete();
        tempNode.delete();
        newTransaction();
    } finally {
        getGraphDb().unregisterTransactionEventHandler(handler);
    }
}

Example 69 with Relationship

use of org.neo4j.graphdb.Relationship in project graphdb by neo4j-attic.

the class TestReadOnlyNeo4j method testReadOnlyOperationsAndNoTransaction.

@Test
public void testReadOnlyOperationsAndNoTransaction() {
    GraphDatabaseService db = new EmbeddedGraphDatabase(PATH);
    Transaction tx = db.beginTx();
    Node node1 = db.createNode();
    Node node2 = db.createNode();
    Relationship rel = node1.createRelationshipTo(node2, withName("TEST"));
    node1.setProperty("key1", "value1");
    rel.setProperty("key1", "value1");
    tx.success();
    tx.finish();
    // make sure write operations still throw exception
    try {
        db.createNode();
        fail("Write operation and no transaction should throw exception");
    } catch (NotInTransactionException e) {
    // good
    }
    try {
        node1.createRelationshipTo(node2, withName("TEST2"));
        fail("Write operation and no transaction should throw exception");
    } catch (NotInTransactionException e) {
    // good
    }
    try {
        node1.setProperty("key1", "value2");
        fail("Write operation and no transaction should throw exception");
    } catch (NotInTransactionException e) {
    // good
    }
    try {
        rel.removeProperty("key1");
        fail("Write operation and no transaction should throw exception");
    } catch (NotInTransactionException e) {
    // good
    }
    // clear caches and try reads
    ((AbstractGraphDatabase) db).getConfig().getGraphDbModule().getNodeManager().clearCache();
    assertEquals(node1, db.getNodeById(node1.getId()));
    assertEquals(node2, db.getNodeById(node2.getId()));
    assertEquals(rel, db.getRelationshipById(rel.getId()));
    ((AbstractGraphDatabase) db).getConfig().getGraphDbModule().getNodeManager().clearCache();
    assertEquals("value1", node1.getProperty("key1"));
    Relationship loadedRel = node1.getSingleRelationship(DynamicRelationshipType.withName("TEST"), Direction.OUTGOING);
    assertEquals(rel, loadedRel);
    assertEquals("value1", loadedRel.getProperty("key1"));
}

Example 70 with Relationship

use of org.neo4j.graphdb.Relationship in project graphdb by neo4j-attic.

the class TestRelationship method testRelationshipAddProperty.

@Test
public void testRelationshipAddProperty() {
    Node node1 = getGraphDb().createNode();
    Node node2 = getGraphDb().createNode();
    Relationship rel1 = node1.createRelationshipTo(node2, MyRelTypes.TEST);
    Relationship rel2 = node2.createRelationshipTo(node1, MyRelTypes.TEST);
    try {
        rel1.setProperty(null, null);
        fail("Null argument should result in exception.");
    } catch (IllegalArgumentException e) {
    }
    Integer int1 = new Integer(1);
    Integer int2 = new Integer(2);
    String string1 = new String("1");
    String string2 = new String("2");
    // add property
    rel1.setProperty(key1, int1);
    rel2.setProperty(key1, string1);
    rel1.setProperty(key2, string2);
    rel2.setProperty(key2, int2);
    assertTrue(rel1.hasProperty(key1));
    assertTrue(rel2.hasProperty(key1));
    assertTrue(rel1.hasProperty(key2));
    assertTrue(rel2.hasProperty(key2));
    assertTrue(!rel1.hasProperty(key3));
    assertTrue(!rel2.hasProperty(key3));
    assertEquals(int1, rel1.getProperty(key1));
    assertEquals(string1, rel2.getProperty(key1));
    assertEquals(string2, rel1.getProperty(key2));
    assertEquals(int2, rel2.getProperty(key2));
    getTransaction().failure();
}