org.apache.felix.service.command.Function Maven / Gradle / Ivy

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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.apache.felix.service.command;

import java.util.List;

/**
 * A Function is a a block of code that can be executed with a set of arguments,
 * it returns the result object of executing the script.
 */
public interface Function
{
    /**
     * Execute this function and return the result.
     *
     * @param session the session
     * @param arguments the arguments
     * @return the result from the execution.
     * @throws Exception if anything goes terribly wrong
     */
    Object execute(CommandSession session, List