com.ideabase.repository.core.service.HashMapStateManagerImpl.java Source code

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Here is the source code for com.ideabase.repository.core.service.HashMapStateManagerImpl.java

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/**
 * $Id$
 * *****************************************************************************
 *    Copyright (C) 2005 - 2007 somewhere in .Net ltd.
 *    All Rights Reserved.  No use, copying or distribution of this
 *    work may be made except in accordance with a valid license
 *    agreement from somewhere in .Net LTD.  This notice must be included on
 *    all copies, modifications and derivatives of this work.
 * *****************************************************************************
 * $LastChangedBy$
 * $LastChangedDate$
 * $LastChangedRevision$
 * *****************************************************************************
 */

package com.ideabase.repository.core.service;

import com.ideabase.repository.api.StateManager;
import com.ideabase.repository.common.RequestState;
import org.apache.log4j.Logger;
import org.apache.log4j.LogManager;
import org.apache.commons.codec.digest.DigestUtils;

import java.util.Map;
import java.util.HashMap;

/**
 * {@see HashMap} based {@see StateManager} implementation.
 * @author <a href="http://hasan.we4tech.com">nhm tanveer...(hasan)</a>
 */
public class HashMapStateManagerImpl implements StateManager {

    private final Logger mLog = LogManager.getLogger(getClass());
    private final Map<String, RequestState> mRequestStateMap = new HashMap<String, RequestState>();
    private String mPrefix = "Hello";
    private String mSuffix = "World";
    private int mHitCount;
    private int mMissCount;

    public void setPrefix(final String pPrefix) {
        mPrefix = pPrefix;
    }

    public void setSuffix(final String pSuffix) {
        mSuffix = pSuffix;
    }

    public RequestState getRequestStateForToken(final String pAuthToken) {
        final RequestState requestState = mRequestStateMap.get(pAuthToken);
        if (requestState != null) {
            mHitCount++;
        } else {
            mMissCount++;
        }
        return requestState;
    }

    public void addRequestStateForToken(final String pAuthToke, final RequestState pRequestState) {
        mRequestStateMap.put(pAuthToke, pRequestState);
    }

    public void removeRequestStateForToken(final String pAuthToken) {
        mRequestStateMap.remove(pAuthToken);
    }

    public String generateRequestStateToken() {
        final StringBuilder builder = new StringBuilder();
        builder.append(mPrefix).append(System.nanoTime()).append(Math.random() * 100).append(mSuffix);
        return DigestUtils.shaHex(builder.toString());
    }

    public int getTotalHits() {
        return mHitCount;
    }

    public int getTotalMisses() {
        return mMissCount;
    }

    public int getHits(final String pKey) {
        throw new NoSuchMethodError("this method is not yet implemented");
    }

    public int getMisses(final String pKey) {
        throw new NoSuchMethodError("this method is not yet implemented");
    }
}