HostConnectionStats.java

/*******************************************************************************
 * Copyright 2011 Netflix
 * 
 * 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 com.netflix.dyno.connectionpool;

/**
 * Stats for connection operations for each {@code Host}
 * These are tracked by the {@link ConnectionPoolMonitor} for the {@link ConnectionPool}
 * @author poberai
 *
 */
public interface HostConnectionStats {

	/**
	 * @return boolean
	 */
	public boolean isHostUp();

	/**
	 * @return long
	 */
	public long getConnectionsBorrowed();
	
	/**
	 * @return long
	 */
	public long getConnectionsReturned();
	
	/**
	 * @return long
	 */
	public long getConnectionsCreated();
	
	/**
	 * @return long
	 */
	public long getConnectionsClosed();

	/**
	 * @return long
	 */
	public long getConnectionsCreateFailed();

	/**
	 * @return long
	 */
	public long getOperationSuccessCount();

	/**
	 * @return long
	 */
	public long getOperationErrorCount();
}