/*
 * 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.apache.johnzon.jsonlogic.spi;

import org.apache.johnzon.jsonlogic.JohnzonJsonLogic;

import javax.json.JsonValue;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionStage;

import static java.util.concurrent.CompletableFuture.completedFuture;

@FunctionalInterface
public interface Operator {
    default CompletionStage<JsonValue> applyStage(JohnzonJsonLogic logic, JsonValue config, JsonValue params) {
        try {
            return completedFuture(apply(logic, config, params));
        } catch (final RuntimeException re) {
            final CompletableFuture<JsonValue> promise = new CompletableFuture<>();
            promise.completeExceptionally(re);
            return promise;
        }
    }

    JsonValue apply(JohnzonJsonLogic logic, JsonValue config, JsonValue params);
}