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

Example 11 with ParcelableRelationship

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

the class RelationshipActivity method createRelationship.

private void createRelationship(String name, long endNodeId) throws RemoteException, Neo4jServiceException {
    GraphDatabase database = dbManager.getCurrentNeo4jDatabase();
    database.beginTx();
    try {
        ParcelableRelationship relationship = new ParcelableRelationship();
        relationship.setStartNodeId(centerNodeId);
        relationship.setEndNodeId(endNodeId);
        relationship.setName(name);
        long relationshipId = database.createRelationship(relationship);
        database.txSuccess();
        Ln.i("created relationship '" + relationship + "' with id '" + relationshipId + "'");
    } finally {
        database.txFinish();
    }
}

Example 12 with ParcelableRelationship

use of org.neo4j.android.common.ParcelableRelationship 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 13 with ParcelableRelationship

use of org.neo4j.android.common.ParcelableRelationship 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();
    }
}

Example 14 with ParcelableRelationship

use of org.neo4j.android.common.ParcelableRelationship 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 15 with ParcelableRelationship

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

the class NodeActivity method updateNodesList.

private void updateNodesList() {
    try {
        nodeRelationshipsLayout.removeAllViews();
        GraphDatabase database = dbManager.getCurrentNeo4jDatabase();
        database.beginTx();
        try {
            ParcelableNode centerNode = database.getNodeById(centerNodeId);
            List<ParcelableRelationship> relationships = centerNode.getRelationships();
            final Set<Long> pointingToCenterNodeNodeIds = new TreeSet<Long>();
            Set<ParcelableNode> peerNodes = new TreeSet<ParcelableNode>(new Comparator<ParcelableNode>() {

                @Override
                public int compare(ParcelableNode firstNode, ParcelableNode secondNode) {
                    if (firstNode.getId() < secondNode.getId()) {
                        return -1;
                    } else if (firstNode.getId() > secondNode.getId()) {
                        return 1;
                    } else {
                        return 0;
                    }
                }
            });
            int loopRelationshipsCount = 0;
            String lastLoopRelationshipName = "";
            for (ParcelableRelationship relationship : relationships) {
                if (relationship.getStartNodeId() == relationship.getEndNodeId()) {
                    loopRelationshipsCount++;
                    lastLoopRelationshipName = relationship.getName();
                } else {
                    if (centerNodeId == relationship.getStartNodeId()) {
                        peerNodes.add(database.getNodeById(relationship.getEndNodeId()));
                    } else {
                        pointingToCenterNodeNodeIds.add(relationship.getStartNodeId());
                        peerNodes.add(database.getNodeById(relationship.getStartNodeId()));
                    }
                }
            }
            nodeCenterButton.setText("" + centerNodeId);
            nodeCenterButton.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View v) {
                    if (pointingToCenterNodeNodeIds.isEmpty()) {
                    // do nothing.
                    } else if (pointingToCenterNodeNodeIds.size() == 1) {
                        showNodeActivity(pointingToCenterNodeNodeIds.iterator().next(), true);
                    } else {
                        showRelatedStartNodes(pointingToCenterNodeNodeIds);
                    }
                }
            });
            String text = getResources().getString(R.string.node_relationships_loop_button);
            if (loopRelationshipsCount == 0) {
                nodeLoopRelationshipsButton.setText(text);
            } else if (loopRelationshipsCount == 1) {
                nodeLoopRelationshipsButton.setText(text + "\n" + lastLoopRelationshipName);
            } else {
                nodeLoopRelationshipsButton.setText(text + "\n# " + loopRelationshipsCount);
            }
            nodeLoopRelationshipsButton.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View v) {
                    showRelationshipActivity(centerNodeId, centerNodeId);
                }
            });
            for (ParcelableNode peerNode : peerNodes) {
                addNodeRelationshipsListItem(peerNode);
            }
        } finally {
            database.txFinish();
        }
    } catch (Exception e) {
        Ln.e(e, "database exception");
        showErrorDialog();
    }
}