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The Kogito public API which is backwards compatible between releases.

There is a newer version: 10.0.0

/*
 * 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.api.runtime;

import java.util.Map;

import org.kie.api.KieBase;

public interface RequestContext extends Context {

    Object getResult();

    void setResult(Object result);

    RequestContext with(KieBase kieBase);

    RequestContext with(KieSession kieSession);

    Context getConversationContext();

    Context getApplicationContext();

    Map getOutputs();

    void setOutput(String identifier, Object value);

    void removeOutput(String identifier);

    @SuppressWarnings("unchecked")
    default  T getOutput(String identifier) {
        return (T) getOutputs().get(identifier);
    }

    default boolean hasOutput(String identifier) {
        return getOutputs().containsKey(identifier);
    }

    static RequestContext create() {
        return create(RequestContext.class.getClassLoader());
    }

    static RequestContext create(ClassLoader classLoader) {
        try {
            return (RequestContext) Class.forName("org.drools.core.command.RequestContextImpl", true, classLoader).newInstance();
        } catch (Exception e) {
            throw new RuntimeException("Unable to instance RequestContext", e);
        }
    }
}