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Provides seamlessly integrated Java access to graph databases (Neo4J) at different levels of abstraction.
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/************************************************************************
 * Copyright (c) 2014-2015 IoT-Solutions e.U.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *  http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ************************************************************************/

package iot.jcypher.graph;

import iot.jcypher.database.IDBAccess;
import iot.jcypher.graph.internal.ChangeListener;
import iot.jcypher.graph.internal.GrId;
import iot.jcypher.query.result.JcError;
import iot.jcypher.query.result.util.ResultHandler;

import java.util.List;
import java.util.Map;

public class GrAccess {

	public static List store(Graph graph, Map elementVersionsMap) {
		return graph.store(elementVersionsMap);
	}
	public static GrNode createNode(ResultHandler rh, GrId id, int rowIdx) {
		return new GrNode(rh, id, rowIdx);
	}
	
	public static GrRelation createRelation(ResultHandler rh, GrId id,
			GrId startNodeId, GrId endNodeId, int rowIdx) {
		return new GrRelation(rh, id, startNodeId, endNodeId, rowIdx);
	}
	
	public static GrRelation createRelation(ResultHandler rh, GrId id,
			GrId startNodeId, GrId endNodeId, String type) {
		return new GrRelation(rh, id, startNodeId, endNodeId, type);
	}
	
	public static GrPath createPath(ResultHandler rh,
			GrId startNodeId, GrId endNodeId, List relIds, int rowIdx) {
		return new GrPath(rh, startNodeId, endNodeId, relIds, rowIdx);
	}
	
	public static GrProperty createProperty(String name) {
		return new GrProperty(name);
	}
	
	public static GrLabel createLabel(String name) {
		return new GrLabel(name);
	}
	
	public static Graph createGraph(ResultHandler resultHandler) {
		return new Graph(resultHandler);
	}
	
	public static void setState(PersistableItem item, SyncState state) {
		item.setSyncState(state);
	}
	
	public static SyncState getState(PersistableItem item) {
		return item.getSyncState();
	}
	
	public static void setGraphState(Graph graph, SyncState state) {
		graph.setSyncState(state);
	}
	
	public static SyncState getGraphState(Graph graph) {
		return graph.getSyncState();
	}
	
	public static void addChangeListener(ChangeListener listener, PersistableItem item) {
		item.addChangeListener(listener);
	}
	
	public static void removeChangeListener(ChangeListener listener, PersistableItem item) {
		item.removeChangeListener(listener);
	}
	
	public static GrId getGrId(GrPropertyContainer pc) {
		return pc.getGrId();
	}
	
	public static void setGrId(GrId grId, GrPropertyContainer pc) {
		pc.setGrId(grId);
	}
	
	public static void notifyState(PersistableItem item) {
		item.notifyState();
	}
	
	public static List getModifiedProperties(GrPropertyContainer container) {
		PersistableItemsContainer icont = container.getPropertiesContainer();
		return icont.getModifiedElements();
	}
	
	public static List getModifiedLabels(GrNode node) {
		PersistableItemsContainer lcont = node.getLabelsContainer();
		return lcont.getModifiedElements();
	}
	
	public static void setToSynchronized(PersistableItem item) {
		item.setToSynchronized();
	}
	
	public static void setDBAccess(IDBAccess dbAccess, Graph graph) {
		graph.setDBAccess(dbAccess);
	}
}