Examples with RelationshipRepresentation org.neo4j.server.rest.repr.RelationshipRepresentation used on opensource projects

Example 1 with RelationshipRepresentation

use of org.neo4j.server.rest.repr.RelationshipRepresentation in project neo4j by neo4j.

the class TransactionWrappedDatabaseActions method getRelationship.

@Override
public RelationshipRepresentation getRelationship(long relationshipId) throws RelationshipNotFoundException {
    try (Transaction transaction = graph.beginTx()) {
        RelationshipRepresentation relationship = super.getRelationship(relationshipId);
        transaction.success();
        return relationship;
    }
}

Example 2 with RelationshipRepresentation

use of org.neo4j.server.rest.repr.RelationshipRepresentation in project neo4j by neo4j.

the class TransactionWrappedDatabaseActions method createRelationship.

@Override
public RelationshipRepresentation createRelationship(long startNodeId, long endNodeId, String type, Map<String, Object> properties) throws StartNodeNotFoundException, EndNodeNotFoundException, PropertyValueException {
    try (Transaction transaction = graph.beginTx()) {
        RelationshipRepresentation relationshipRepresentation = super.createRelationship(startNodeId, endNodeId, type, properties);
        transaction.success();
        return relationshipRepresentation;
    }
}

Example 3 with RelationshipRepresentation

use of org.neo4j.server.rest.repr.RelationshipRepresentation in project neo4j by neo4j.

the class DatabaseActionsTest method shouldAllowCreateRelationshipWithSameStartAsEndNode.

@Test
public void shouldAllowCreateRelationshipWithSameStartAsEndNode() throws Exception {
    long nodeId = graphdbHelper.createNode();
    Map<String, Object> properties = Collections.emptyMap();
    RelationshipRepresentation rel = actions.createRelationship(nodeId, nodeId, "Loves", properties);
    assertNotNull(rel);
}

Example 4 with RelationshipRepresentation

use of org.neo4j.server.rest.repr.RelationshipRepresentation in project neo4j by neo4j.

the class DatabaseActions method createRelationship.

public RelationshipRepresentation createRelationship(long startNodeId, long endNodeId, String type, Map<String, Object> properties) throws StartNodeNotFoundException, EndNodeNotFoundException, PropertyValueException {
    Node start, end;
    try {
        start = node(startNodeId);
    } catch (NodeNotFoundException e) {
        throw new StartNodeNotFoundException(e);
    }
    try {
        end = node(endNodeId);
    } catch (NodeNotFoundException e) {
        throw new EndNodeNotFoundException(e);
    }
    Relationship rel = start.createRelationshipTo(end, RelationshipType.withName(type));
    propertySetter.setProperties(rel, properties);
    return new RelationshipRepresentation(rel);
}

Example 5 with RelationshipRepresentation

use of org.neo4j.server.rest.repr.RelationshipRepresentation in project neo4j by neo4j.

the class RestRepresentationWriter method write.

private void write(JsonGenerator out, RepresentationFormat format, Object value, TransactionStateChecker checker) throws IOException {
    if (value instanceof Map<?, ?>) {
        out.writeStartObject();
        try {
            for (Map.Entry<String, ?> entry : ((Map<String, ?>) value).entrySet()) {
                out.writeFieldName(entry.getKey());
                write(out, format, entry.getValue(), checker);
            }
        } finally {
            out.writeEndObject();
        }
    } else if (value instanceof Path) {
        write(format, new PathRepresentation<>((Path) value));
    } else if (value instanceof Iterable<?>) {
        out.writeStartArray();
        try {
            for (Object item : (Iterable<?>) value) {
                write(out, format, item, checker);
            }
        } finally {
            out.writeEndArray();
        }
    } else if (value instanceof Node) {
        NodeRepresentation representation = new NodeRepresentation((Node) value);
        representation.setTransactionStateChecker(checker);
        write(format, representation);
    } else if (value instanceof Relationship) {
        RelationshipRepresentation representation = new RelationshipRepresentation((Relationship) value);
        representation.setTransactionStateChecker(checker);
        write(format, representation);
    } else {
        out.writeObject(value);
    }
}