/*
 * 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.jbpm.workflow.core.node;

import java.util.HashMap;
import java.util.Map;

import org.jbpm.workflow.core.impl.NodeImpl;
import org.kie.api.definition.process.Node;


public class AsyncEventNode extends EventNode {

    private static final long serialVersionUID = -4724021457443413412L;

    private Node node;
    
    public AsyncEventNode(Node node) {
        this.node = node;        
    }

    public Node getPreviousNode() {
        return getPreviousNode(NodeImpl.CONNECTION_DEFAULT_TYPE);
    }

    public Node getPreviousNode(String type) {
        Node currentNode = getActualNode();
        if (!node.getIncomingConnections(type).isEmpty()) {
            return currentNode.getIncomingConnections(type).get(0).getFrom();
        }
        return null;
    }

    public Node getActualNode() {
        return node;
    }

    @Override
    public long getId() {
        return node.getId();
    }

    @Override
    public Object getMetaData(String name) {
        return ((NodeImpl)node).getMetaData(name);
    }

    @Override
    public Map<String, Object> getMetaData() {
        Map<String, Object> metaData = new HashMap<String, Object>(node.getMetaData());
        metaData.put("hidden", "true");
        return metaData;       
    }

    
}
