Examples with ParcelableNode org.neo4j.android.common.ParcelableNode used on opensource projects

Example 16 with ParcelableNode

use of org.neo4j.android.common.ParcelableNode in project neo4j-mobile-android by neo4j-contrib.

the class NodePropertiesActivity method createProperty.

private void createProperty(String key, String value) {
    try {
        GraphDatabase database = dbManager.getCurrentNeo4jDatabase();
        database.beginTx();
        try {
            ParcelableNode node = database.getNodeById(nodeId);
            if (!node.hasProperty(key)) {
                node.setProperty(key, value);
                database.updateNode(node);
                database.txSuccess();
            } else {
                showPropertyAlreadyExistsError(key, value);
            }
        } finally {
            database.txFinish();
        }
    } catch (Exception e) {
        Ln.e(e, "failed to create new property with key '" + key + "' and value '" + value + "' on node with id '" + nodeId + "'.");
        showErrorDialog();
    }
    updateNodePropertiesList();
}

Example 17 with ParcelableNode

use of org.neo4j.android.common.ParcelableNode in project neo4j-mobile-android by neo4j-contrib.

the class GraphDatabase method getNodeById.

public ParcelableNode getNodeById(long id) throws RemoteException, Neo4jServiceException {
    ParcelableError err = new ParcelableError();
    ParcelableNode result = mProxy.getNodeById(id, err);
    Util.throwServiceExceptionIfError(err);
    return result;
}

Example 18 with ParcelableNode

use of org.neo4j.android.common.ParcelableNode in project neo4j-mobile-android by neo4j-contrib.

the class DbWrapper method updateNode.

@Override
public void updateNode(ParcelableNode node, ParcelableError err) throws RemoteException {
    try {
        checkCallerHasWritePermission();
        resumeTrx();
        try {
            Node target = mDb.getNodeById(node.getId());
            if (target != null) {
                // remove existing properties
                for (String key : target.getPropertyKeys()) {
                    target.removeProperty(key);
                }
                // set new properties
                for (String key : node.getPropertyKeys()) {
                    target.setProperty(key, node.getProperty(key));
                }
            } else {
                String message = "node not found. node '" + node + "'";
                Log.e(TAG, message);
                err.setError(Errors.TRANSACTION, message);
            }
        } finally {
            suspendCurrentTrx("updateNode");
        }
    } catch (Exception e) {
        Log.e(TAG, "Failed to update node", e);
        err.setError(Errors.TRANSACTION, e.getMessage());
    }
}