/*
 * Copyright (c) 2010-2012 Grid Dynamics Consulting Services, Inc, All Rights Reserved
 * http://www.griddynamics.com
 *
 * This library is free software; you can redistribute it and/or modify it under the terms of
 * the Apache License; either
 * version 2.0 of the License, or any later version.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.griddynamics.jagger.coordinator;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Map;

public class DefaultNodeContext implements NodeContext {
    
    private static final Logger log = LoggerFactory.getLogger(DefaultNodeContext.class);
    private final NodeId id;
    private final Map<Class<?>, Object> services;

    /*package*/ DefaultNodeContext(NodeId id, Map<Class<?>, Object> services) {
        this.id = id;
        this.services = services;
    }

    @Override
    public NodeId getId() {
        return id;
    }

    @Override
    public <T> T getService(Class<T> clazz) {
        if (services.containsKey(clazz)) {
            return (T) services.get(clazz);
        }
        return null;
    }

    @Override
    public String toString() {
        return "DefaultNodeContext{" +
                "id=" + id +
                ", services=" + services +
                '}';
    }
}