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

Example 41 with Node

use of org.neo4j.graphdb.Node in project neo4j by neo4j.

the class TestShortStringProperties method canAddMultipleShortStringsToTheSameNode.

@Test
public void canAddMultipleShortStringsToTheSameNode() throws Exception {
    long recordCount = dynamicRecordsInUse();
    Node node = graphdb.getGraphDatabaseAPI().createNode();
    node.setProperty("key", "value");
    node.setProperty("reverse", "esrever");
    commit();
    assertEquals(recordCount, dynamicRecordsInUse());
    assertThat(node, inTx(graphdb.getGraphDatabaseAPI(), hasProperty("key").withValue("value")));
    assertThat(node, inTx(graphdb.getGraphDatabaseAPI(), hasProperty("reverse").withValue("esrever")));
}

Example 42 with Node

use of org.neo4j.graphdb.Node in project neo4j by neo4j.

the class TxStateTransactionDataViewTest method shouldListAddedNodePropertiesProperties.

@Test
public void shouldListAddedNodePropertiesProperties() throws Exception {
    // Given
    int propertyKeyId = 1;
    DefinedProperty prevProp = stringProperty(propertyKeyId, "prevValue");
    state.nodeDoChangeProperty(1L, prevProp, stringProperty(propertyKeyId, "newValue"));
    when(ops.propertyKeyGetName(propertyKeyId)).thenReturn("theKey");
    long propertyId = 20L;
    when(storeStatement.acquireSingleNodeCursor(1L)).thenReturn(asNodeCursor(1L, propertyId, labels()));
    when(storeStatement.acquireSinglePropertyCursor(propertyId, propertyKeyId, NO_LOCK)).thenReturn(asPropertyCursor(prevProp));
    // When
    Iterable<PropertyEntry<Node>> propertyEntries = snapshot().assignedNodeProperties();
    // Then
    PropertyEntry<Node> entry = single(propertyEntries);
    assertThat(entry.key(), equalTo("theKey"));
    assertThat(entry.value(), equalTo((Object) "newValue"));
    assertThat(entry.previouslyCommitedValue(), equalTo((Object) "prevValue"));
    assertThat(entry.entity().getId(), equalTo(1L));
}

Example 43 with Node

use of org.neo4j.graphdb.Node in project neo4j by neo4j.

the class TxStateTransactionDataViewTest method shouldListRemovedNodeProperties.

@Test
public void shouldListRemovedNodeProperties() throws Exception {
    // Given
    int propertyKeyId = 1;
    DefinedProperty prevProp = stringProperty(propertyKeyId, "prevValue");
    state.nodeDoRemoveProperty(1L, prevProp);
    when(ops.propertyKeyGetName(propertyKeyId)).thenReturn("theKey");
    long propertyId = 20L;
    when(storeStatement.acquireSingleNodeCursor(1L)).thenReturn(asNodeCursor(1L, propertyId, labels()));
    when(storeStatement.acquireSinglePropertyCursor(propertyId, propertyKeyId, NO_LOCK)).thenReturn(asPropertyCursor(prevProp));
    // When
    Iterable<PropertyEntry<Node>> propertyEntries = snapshot().removedNodeProperties();
    // Then
    PropertyEntry<Node> entry = single(propertyEntries);
    assertThat(entry.key(), equalTo("theKey"));
    assertThat(entry.previouslyCommitedValue(), equalTo("prevValue"));
    assertThat(entry.entity().getId(), equalTo(1L));
}

Example 44 with Node

use of org.neo4j.graphdb.Node in project neo4j by neo4j.

the class TestTransactionEvents method createTree.

private void createTree(Node parent, int maxDepth, int width, int currentDepth) {
    if (currentDepth > maxDepth) {
        return;
    }
    for (int i = 0; i < width; i++) {
        Node child = dbRule.createNode(TestLabels.LABEL_TWO);
        parent.createRelationshipTo(child, MyRelTypes.TEST);
        createTree(child, maxDepth, width, currentDepth + 1);
    }
}

Example 45 with Node

use of org.neo4j.graphdb.Node in project neo4j by neo4j.

the class TestRelationship method testRelationshipRemoveProperty.

@Test
public void testRelationshipRemoveProperty() {
    Integer int1 = new Integer(1);
    Integer int2 = new Integer(2);
    String string1 = new String("1");
    String string2 = new String("2");
    Node node1 = getGraphDb().createNode();
    Node node2 = getGraphDb().createNode();
    Relationship rel1 = node1.createRelationshipTo(node2, MyRelTypes.TEST);
    Relationship rel2 = node2.createRelationshipTo(node1, MyRelTypes.TEST);
    // verify that we can rely on PL to reomve non existing properties
    try {
        if (rel1.removeProperty(key1) != null) {
            fail("Remove of non existing property should return null");
        }
    } catch (NotFoundException e) {
    // OK
    }
    try {
        rel1.removeProperty(null);
        fail("Remove null property should throw exception.");
    } catch (IllegalArgumentException e) {
    // OK
    }
    rel1.setProperty(key1, int1);
    rel2.setProperty(key1, string1);
    rel1.setProperty(key2, string2);
    rel2.setProperty(key2, int2);
    try {
        rel1.removeProperty(null);
        fail("Null argument should result in exception.");
    } catch (IllegalArgumentException e) {
    // OK
    }
    // test remove property
    assertEquals(int1, rel1.removeProperty(key1));
    assertEquals(string1, rel2.removeProperty(key1));
    // test remove of non existing property
    try {
        if (rel2.removeProperty(key1) != null) {
            fail("Remove of non existing property should return null");
        }
    } catch (NotFoundException e) {
        // have to set rollback only here
        getTransaction().failure();
    }
    rel1.delete();
    rel2.delete();
    node1.delete();
    node2.delete();
}