CaseManagementUtils.java

/*
 * Copyright 2017 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.cm.util;

import org.kie.workbench.common.stunner.cm.definition.CaseManagementDiagram;
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.content.definition.Definition;
import org.kie.workbench.common.stunner.core.graph.util.GraphUtils;

/**
 * Shared utils class for BPMN stuff.
 */
public class CaseManagementUtils {

    /**
     * Finds the first Diagram in the graph structure.
     * @param graph The graph structure.
     */
    @SuppressWarnings("unchecked")
    public static Node<Definition<CaseManagementDiagram>, ?> getFirstDiagramNode(final Graph<?, Node> graph) {
        return GraphUtils.getFirstNode(graph,
                                       CaseManagementDiagram.class);
    }
}