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

Example 1 with GraphDatabase

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

the class NodePropertiesActivity 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 {
                        ParcelableNode node = database.getNodeById(nodeId);
                        node.setProperty(key, value);
                        database.updateNode(node);
                        database.txSuccess();
                    } finally {
                        database.txFinish();
                    }
                } catch (Exception e) {
                    Ln.e(e, "failed to update new property with key '" + key + "' and value '" + value + "' on node with id '" + nodeId + "'.");
                    showErrorDialog();
                }
            } else {
                showPropertyKeyValueEmptyError(key, value);
            }
            updateNodePropertiesList();
        }
    });
    dialog.setButton2(getResources().getString(android.R.string.cancel), new DialogInterface.OnClickListener() {

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

Example 2 with GraphDatabase

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

the class NodePropertiesActivity method updateNodePropertiesList.

private void updateNodePropertiesList() {
    try {
        nodePropertiesListLayout.removeAllViews();
        GraphDatabase database = dbManager.getCurrentNeo4jDatabase();
        database.beginTx();
        try {
            ParcelableNode node = database.getNodeById(nodeId);
            for (String key : node.getPropertyKeys()) {
                Object value = node.getProperty(key);
                addNodePropertiesListItem(key, value);
            }
        } finally {
            database.txFinish();
        }
    } catch (Exception e) {
        Ln.e(e, "database exception. node id '" + nodeId + "'");
        showErrorDialog();
    }
}

Example 3 with GraphDatabase

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

the class NodePropertiesActivity method confirmDeletionOfNode.

private void confirmDeletionOfNode() {
    AlertDialog dialog = new AlertDialog.Builder(this).create();
    dialog.setTitle(R.string.node_delete_title);
    Formatter formatter = new Formatter();
    formatter.format(getResources().getString(R.string.node_delete_question), nodeId);
    dialog.setMessage(formatter.toString());
    dialog.setButton(getResources().getString(android.R.string.yes), new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            try {
                GraphDatabase database = dbManager.getCurrentNeo4jDatabase();
                database.beginTx();
                try {
                    ParcelableNode node = database.getNodeById(nodeId);
                    ParcelableNode referenceNode = database.getReferenceNode();
                    if (nodeId != referenceNode.getId()) {
                        List<ParcelableRelationship> relationships = node.getRelationships();
                        for (ParcelableRelationship relationship : relationships) {
                            database.deleteRelationship(relationship.getId());
                        }
                        database.deleteNode(nodeId);
                        database.txSuccess();
                    } else {
                        showCannotDeleteReferenceNodeError();
                    }
                } finally {
                    database.txFinish();
                }
                Intent data = new Intent();
                data.putExtra(DBInspectorConstants.INTENTEXTRA_NODE_DELETED, true);
                setResult(RESULT_OK, data);
                finish();
            } catch (Exception e) {
                Ln.e(e, "failed to delete node with id '" + nodeId + "'.");
                showErrorDialog();
            }
        }
    });
    dialog.setButton2(getResources().getString(android.R.string.no), new DialogInterface.OnClickListener() {

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

Example 4 with GraphDatabase

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

the class NodePropertiesActivity method confirmDeletionOfProperty.

private void confirmDeletionOfProperty(final String key, final Object value) {
    AlertDialog dialog = new AlertDialog.Builder(this).create();
    dialog.setTitle(R.string.property_delete_title);
    Formatter formatter = new Formatter();
    formatter.format(getResources().getString(R.string.property_delete_from_node_question), key, value, nodeId);
    dialog.setMessage(formatter.toString());
    dialog.setButton(getResources().getString(android.R.string.ok), new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            try {
                GraphDatabase database = dbManager.getCurrentNeo4jDatabase();
                database.beginTx();
                try {
                    ParcelableNode node = database.getNodeById(nodeId);
                    node.removeProperty(key);
                    database.updateNode(node);
                    database.txSuccess();
                } finally {
                    database.txFinish();
                }
            } catch (Exception e) {
                Ln.e(e, "failed to delete property with key '" + key + "' and value '" + value + "' from node with id '" + nodeId + "'.");
                showErrorDialog();
            }
        }
    });
    dialog.setButton2(getResources().getString(android.R.string.cancel), new DialogInterface.OnClickListener() {

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

Example 5 with GraphDatabase

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

the class RelationshipPropertiesActivity method confirmDeletionOfRelationship.

private void confirmDeletionOfRelationship() {
    AlertDialog dialog = new AlertDialog.Builder(this).create();
    dialog.setTitle(R.string.relationship_delete_title);
    Formatter formatter = new Formatter();
    formatter.format(getResources().getString(R.string.relationship_delete_question), relationshipId);
    dialog.setMessage(formatter.toString());
    dialog.setButton(getResources().getString(android.R.string.yes), new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            try {
                GraphDatabase database = dbManager.getCurrentNeo4jDatabase();
                database.beginTx();
                try {
                    ParcelableRelationship relationship = database.getRelationshipById(relationshipId);
                    database.deleteRelationship(relationship.getId());
                    database.txSuccess();
                } finally {
                    database.txFinish();
                }
                Intent data = new Intent();
                data.putExtra(DBInspectorConstants.INTENTEXTRA_RELATIONSHIP_DELETED, true);
                setResult(RESULT_OK, data);
                finish();
            } catch (Exception e) {
                Ln.e(e, "failed to delete relationship with id '" + relationshipId + "'.");
                showErrorDialog();
            }
        }
    });
    dialog.setButton2(getResources().getString(android.R.string.no), new DialogInterface.OnClickListener() {

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