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

Example 36 with NotFoundException

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

the class TestNode method testNodeCreateAndDelete.

@Test
public void testNodeCreateAndDelete() {
    long nodeId = -1;
    Node node = getGraphDb().createNode();
    nodeId = node.getId();
    getGraphDb().getNodeById(nodeId);
    node.delete();
    Transaction tx = getTransaction();
    tx.success();
    tx.finish();
    setTransaction(getGraphDb().beginTx());
    try {
        getGraphDb().getNodeById(nodeId);
        fail("Node[" + nodeId + "] should be deleted.");
    } catch (NotFoundException e) {
    }
}

Example 37 with NotFoundException

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

the class TestNeo4jConstrains method testDeleteReferenceNodeOrLastNodeIsOk.

@Test
public void testDeleteReferenceNodeOrLastNodeIsOk() {
    Transaction tx = getTransaction();
    for (int i = 0; i < 10; i++) {
        getGraphDb().createNode();
    }
    // empty the DB instance
    for (Node node : getGraphDb().getAllNodes()) {
        for (Relationship rel : node.getRelationships()) {
            rel.delete();
        }
        node.delete();
    }
    tx.success();
    tx.finish();
    tx = getGraphDb().beginTx();
    // the DB should be empty
    // long numNodesPost = getNodeManager().getNumberOfIdsInUse( Node.class
    // );
    // System.out.println(String.format( "pre: %d, post: %d", numNodesPre,
    // numNodesPost ));
    assertFalse(getGraphDb().getAllNodes().iterator().hasNext());
    // assertEquals( 0, numNodesPost );
    try {
        getGraphDb().getReferenceNode();
        fail();
    } catch (NotFoundException nfe) {
    // should be thrown
    }
    tx.success();
    tx.finish();
}

Example 38 with NotFoundException

use of org.neo4j.graphdb.NotFoundException in project neo4j-mobile-android by neo4j-contrib.

the class BatchGraphDatabaseImpl method getNodeById.

public Node getNodeById(long id) {
    NodeBatchImpl node = nodes.get(id);
    if (node == null) {
        try {
            node = new NodeBatchImpl(id, this, batchInserter.getNodeProperties(id));
            nodes.put(id, node);
        } catch (InvalidRecordException e) {
            throw new NotFoundException(e);
        }
    }
    return node;
}

Example 39 with NotFoundException

use of org.neo4j.graphdb.NotFoundException in project neo4j-mobile-android by neo4j-contrib.

the class NodeImpl method getSingleRelationship.

public Relationship getSingleRelationship(NodeManager nodeManager, RelationshipType type, Direction dir) {
    DirectionWrapper direction = RelIdArray.wrap(dir);
    RelationshipType[] types = new RelationshipType[] { type };
    Iterator<Relationship> rels = new IntArrayIterator(getAllRelationshipsOfType(nodeManager, direction, types), this, direction, nodeManager, types, !hasMoreRelationshipsToLoad());
    if (!rels.hasNext()) {
        return null;
    }
    Relationship rel = rels.next();
    if (rels.hasNext()) {
        throw new NotFoundException("More than one relationship[" + type + ", " + dir + "] found for " + this);
    }
    return rel;
}

Example 40 with NotFoundException

use of org.neo4j.graphdb.NotFoundException in project neo4j-mobile-android by neo4j-contrib.

the class BatchGraphDatabaseImpl method getRelationshipById.

public Relationship getRelationshipById(long id) {
    RelationshipBatchImpl rel = rels.get(id);
    if (rel == null) {
        try {
            SimpleRelationship simpleRel = batchInserter.getRelationshipById(id);
            Map<String, Object> props = batchInserter.getRelationshipProperties(id);
            rel = new RelationshipBatchImpl(simpleRel, this, props);
            rels.put(id, rel);
        } catch (InvalidRecordException e) {
            throw new NotFoundException(e);
        }
    }
    return rel;
}