Examples with GraphDatabase org.neo4j.android.client.GraphDatabase used on opensource projects

Example 16 with GraphDatabase

use of org.neo4j.android.client.GraphDatabase in project neo4j-mobile-android by neo4j-contrib.

the class RelationshipPropertiesActivity method askUpdateProperty.

private void askUpdateProperty(final String key, String value) {
    AlertDialog dialog = new AlertDialog.Builder(this).create();
    dialog.setTitle(R.string.property_update_title);
    View propertyEditView = inflater.inflate(R.layout.property_edit, null);
    final TextView propertyKeyText = (TextView) propertyEditView.findViewById(R.id.propertyKeyText);
    propertyKeyText.setText(key);
    final EditText propertyValueText = (EditText) propertyEditView.findViewById(R.id.propertyValueText);
    propertyValueText.setText(value);
    dialog.setView(propertyEditView);
    dialog.setButton(getResources().getString(android.R.string.ok), new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            String value = propertyValueText.getText().toString();
            if (!value.isEmpty()) {
                try {
                    GraphDatabase database = dbManager.getCurrentNeo4jDatabase();
                    database.beginTx();
                    try {
                        ParcelableRelationship relationship = database.getRelationshipById(relationshipId);
                        relationship.setProperty(key, value);
                        database.updateRelationship(relationship);
                        database.txSuccess();
                    } finally {
                        database.txFinish();
                    }
                } catch (Exception e) {
                    Ln.e(e, "failed to update new property with key '" + key + "' and value '" + value + "' on relationship with id '" + relationshipId + "'.");
                    showErrorDialog();
                }
            } else {
                showPropertyKeyValueEmptyError(key, value);
            }
            updateRelationshipPropertiesList();
        }
    });
    dialog.setButton2(getResources().getString(android.R.string.cancel), new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            dialog.cancel();
        }
    });
    dialog.show();
}

Example 17 with GraphDatabase

use of org.neo4j.android.client.GraphDatabase in project neo4j-mobile-android by neo4j-contrib.

the class RelationshipPropertiesActivity method createProperty.

private void createProperty(String key, String value) {
    try {
        GraphDatabase database = dbManager.getCurrentNeo4jDatabase();
        database.beginTx();
        try {
            ParcelableRelationship relationship = database.getRelationshipById(relationshipId);
            if (!relationship.hasProperty(key)) {
                relationship.setProperty(key, value);
                database.updateRelationship(relationship);
                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 relationship with id '" + relationshipId + "'.");
        showErrorDialog();
    }
    updateRelationshipPropertiesList();
}

Example 18 with GraphDatabase

use of org.neo4j.android.client.GraphDatabase in project neo4j-mobile-android by neo4j-contrib.

the class RelationshipPropertiesActivity method updateRelationshipPropertiesList.

private void updateRelationshipPropertiesList() {
    try {
        relationshipPropertiesListLayout.removeAllViews();
        GraphDatabase database = dbManager.getCurrentNeo4jDatabase();
        database.beginTx();
        try {
            ParcelableRelationship relationship = database.getRelationshipById(relationshipId);
            for (String key : relationship.getPropertyKeys()) {
                Object value = relationship.getProperty(key);
                addRelationshipPropertiesListItem(key, value);
            }
        } finally {
            database.txFinish();
        }
    } catch (Exception e) {
        Ln.e(e, "database exception. relationship id '" + relationshipId + "'");
        showErrorDialog();
    }
}