# ThrottleServiceDataHolder.java

    /*
    * Copyright 2005,2006 WSO2, Inc. http://wso2.com
    *
    * Licensed 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.synapse.commons.throttle.core.internal;

    import org.apache.commons.logging.Log;
    import org.apache.commons.logging.LogFactory;
    import org.apache.synapse.commons.throttle.core.DistributedCounterManager;
    import org.apache.synapse.commons.throttle.core.ThrottleProperties;
    import org.apache.synapse.commons.throttle.core.ThrottleUtil;

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

    public class ThrottleServiceDataHolder {
    	private static final Log log  = LogFactory.getLog(ThrottleServiceDataHolder.class.getName());
    	private Map<String,DistributedCounterManager> distributedCounterManagerMap = new HashMap<>();

    	private ThrottleServiceDataHolder() {

    	}

    	public ThrottleProperties getThrottleProperties() {
    		return throttleProperties;
    	}

    	public void setThrottleProperties(ThrottleProperties throttleProperties) {
    		this.throttleProperties = throttleProperties;
    	}

    	private ThrottleProperties throttleProperties = null;
    	private static ThrottleServiceDataHolder thisInstance = new ThrottleServiceDataHolder();

    	public static ThrottleServiceDataHolder getInstance() {
    		if (thisInstance != null && thisInstance.getThrottleProperties() == null) {
    			thisInstance.setThrottleProperties(
    					ThrottleUtil.loadThrottlePropertiesFromConfigurations());
    		}
    		return thisInstance;
    	}

    	public void addDistributedCounterManager(DistributedCounterManager distributedCounterManager){
    		distributedCounterManagerMap.put(distributedCounterManager.getType(),distributedCounterManager);
    	}
    	public void removeDistributedCounterManager(DistributedCounterManager distributedCounterManager){
    		if (distributedCounterManager != null){
    			distributedCounterManagerMap.remove(distributedCounterManager.getType());
    		}
    	}

    	public DistributedCounterManager getDistributedCounterManager() {

    		String distributedCounterType = throttleProperties.getDistributedCounterType();
    		return distributedCounterManagerMap.get(distributedCounterType);
    	}
    }