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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.openejb.server.ejbd;

import org.apache.openejb.BeanContext;
import org.apache.openejb.client.EJBRequest;
import org.apache.openejb.client.ServerMetaData;

import java.util.HashMap;

@SuppressWarnings("unchecked")
public class CallContext {

    private static final ThreadLocal threads = new ThreadLocal();
    private final HashMap data = new HashMap();

    public CallContext() {
    }

    public void reset() {
        data.clear();
    }

    public  T get(final Class type) {
        return (T) data.get(type);
    }

    public  T set(final Class type, final T value) {
        return (T) data.put(type, value);
    }

    public BeanContext getBeanContext() {
        return get(BeanContext.class);
    }

    public void setBeanContext(final BeanContext info) {
        set(BeanContext.class, info);
    }

    public void setServerMetaData(final ServerMetaData serverMetaData) {
        set(ServerMetaData.class, serverMetaData);
    }

    public ServerMetaData getServerMetaData() {
        return get(ServerMetaData.class);
    }

    public EJBRequest getEJBRequest() {
        return get(EJBRequest.class);
    }

    public void setEJBRequest(final EJBRequest request) {
        set(EJBRequest.class, request);
    }

    public static void setCallContext(CallContext ctx) {
        if (ctx == null) {
            ctx = threads.get();
            if (ctx != null) {
                ctx.reset();
            }
        } else {
            threads.set(ctx);
        }
    }

    public static CallContext getCallContext() {
        CallContext ctx = threads.get();
        if (ctx == null) {
            ctx = new CallContext();
            threads.set(ctx);
        }

        return ctx;
    }

}