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The Kogito public API which is backwards compatible between releases.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.kogito.internal.process.runtime;

import java.util.Collections;
import java.util.Date;
import java.util.Map;

import org.kie.api.runtime.process.NodeInstance;

public interface KogitoNodeInstance extends NodeInstance {

    enum CancelType {
        OBSOLETE,
        ABORTED,
        SKIPPED,
        ERROR
    }

    default boolean isCancelled() {
        return getCancelType() != null;
    }

    CancelType getCancelType();

    /**
     * The id of the node instance. This is unique within the
     * node instance container this node instance lives in.
     *
     * @return the id of the node instance
     */
    String getStringId();

    /**
     * The id of the node definition this node instance refers to. The node
     * represents the definition that this node instance was based
     * on.
     *
     * @return the definition id of the node this node instance refers to
     */
    String getNodeDefinitionId();

    /**
     * Returns the time when this node instance was triggered
     * 
     * @return actual trigger time
     */
    Date getTriggerTime();

    /**
     * Returns the time when this node instance was left, might be null if node instance is still active
     * 
     * @return actual leave time
     */
    Date getLeaveTime();

    Date getSlaDueDate();

    default Map getMetaData() {
        return Collections.emptyMap();
    }
}