RuleExtensionHandler.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.core.rule.ext;

import org.kie.workbench.common.stunner.core.rule.RuleEvaluationContext;
import org.kie.workbench.common.stunner.core.rule.RuleEvaluationHandler;

/**
 * The base rule evaluation handler type for any kind of rule extension.
 * @param <T> The rule extension handler type.
 * @param <C> The rule evaluation context type.
 * @See {@link RuleExtension}
 */
public abstract class RuleExtensionHandler<T extends RuleExtensionHandler, C extends RuleEvaluationContext>
        implements RuleEvaluationHandler<RuleExtension, C> {

    /**
     * Returns the type of extension.
     */
    public abstract Class<T> getExtensionType();

    /**
     * Supports any kind of rule extension type.
     */
    @Override
    public Class<RuleExtension> getRuleType() {
        return RuleExtension.class;
    }
}