/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* 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 org.kie.workbench.common.stunner.core.graph.processing.index.map;
import java.util.Map;
import org.kie.workbench.common.stunner.core.graph.Edge;
import org.kie.workbench.common.stunner.core.graph.Element;
import org.kie.workbench.common.stunner.core.graph.Graph;
import org.kie.workbench.common.stunner.core.graph.Node;
import org.kie.workbench.common.stunner.core.graph.processing.index.MutableIndex;
public class MapIndex implements MutableIndex<Node, Edge> {
final Graph<?, Node> graph;
final Map<String, Node> nodes;
final Map<String, Edge> edges;
public MapIndex(final Graph<?, Node> graph,
final Map<String, Node> nodes,
final Map<String, Edge> edges) {
this.graph = graph;
this.nodes = nodes;
this.edges = edges;
}
@Override
public Graph<?, Node> getGraph() {
return graph;
}
@Override
public Element get(final String uuid) {
Element node = nodes.get(uuid);
if (null == node) {
return edges.get(uuid);
}
return node;
}
@Override
public Node getNode(final String uuid) {
return nodes.get(uuid);
}
@Override
public Edge getEdge(final String uuid) {
return edges.get(uuid);
}
@Override
public MutableIndex<Node, Edge> addNode(final Node node) {
nodes.put(node.getUUID(),
node);
return this;
}
@Override
public MutableIndex<Node, Edge> removeNode(final Node node) {
nodes.remove(node.getUUID());
return this;
}
@Override
public MutableIndex<Node, Edge> addEdge(final Edge edge) {
edges.put(edge.getUUID(),
edge);
return this;
}
@Override
public MutableIndex<Node, Edge> removeEdge(final Edge edge) {
edges.remove(edge.getUUID());
return this;
}
@Override
public void clear() {
nodes.clear();
edges.clear();
}
}