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package com.sun.enterprise.transaction.jts.iiop;

import org.omg.CORBA.LocalObject;
import org.omg.PortableInterceptor.ServerRequestInterceptor;
import org.omg.PortableInterceptor.ServerRequestInfo;
import com.sun.corba.ee.spi.legacy.interceptor.RequestInfoExt;

import org.glassfish.enterprise.iiop.api.GlassFishORBHelper;
import com.sun.enterprise.transaction.api.JavaEETransactionManager;

import org.jvnet.hk2.component.Habitat;

public class TransactionServerInterceptor extends LocalObject
        implements ServerRequestInterceptor, Comparable {

    private static final String name = "TransactionServerInterceptor";
    private int order;

    private JavaEETransactionManager tm;
    private GlassFishORBHelper gfORBHelper = null;

    /**
     * Construct the interceptor.
     * @param the order in which the interceptor should run.
     */
    public TransactionServerInterceptor(int order, Habitat habitat) {
	this.order = order;

        gfORBHelper = habitat.getComponent(GlassFishORBHelper.class);
        tm = habitat.getComponent(JavaEETransactionManager.class);
    }

    public String name() { 
        return name; 
    }

    public void receive_request_service_contexts(ServerRequestInfo sri) { }

    public int compareTo(Object o)
    {
	int otherOrder = -1;
	if( o instanceof TransactionServerInterceptor) {
            otherOrder = ((TransactionServerInterceptor)o).order;
	}
        if (order < otherOrder) {
            return -1;
        } else if (order == otherOrder) {
            return 0;
        }
        return 1;
    }

    public void destroy() {
    }

    public void receive_request(ServerRequestInfo sri) { 
    }

    public void send_reply(ServerRequestInfo sri) {
        checkTransaction(sri);
    }

    public void send_exception(ServerRequestInfo sri) {
        checkTransaction(sri);
    }

    public void send_other(ServerRequestInfo sri) {
        checkTransaction(sri);
    }

    private void checkTransaction(ServerRequestInfo sri) {
        try {
	    if ( tm != null )
	        tm.checkTransactionImport();
        } finally {
            if (gfORBHelper.isEjbCall(sri)) {
                tm.cleanTxnTimeout();
            }
	}
    }
}