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/*
* Copyright 2007 the original author or authors.
*
* 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.mockftpserver.core.command;
/**
* Interface for an object that can retrieve and clear the history of InvocationRecords
* for a command handler.
*
* @version $Revision$ - $Date$
*
* @author Chris Mair
*/
public interface InvocationHistory {
/**
* @return the number of invocation records stored for this command handler instance
*/
public int numberOfInvocations();
/**
* Return the InvocationRecord representing the command invoction data for the nth invocation
* for this command handler instance. One InvocationRecord should be stored for each invocation
* of the CommandHandler.
*
* @param index - the index of the invocation record to return. The first record is at index zero.
* @return the InvocationRecord for the specified index
*
* @throws AssertFailedException - if there is no invocation record corresponding to the specified index */
public InvocationRecord getInvocation(int index);
/**
* Clear out the invocation history for this CommandHandler. After invoking this method, the
* <code>numberOfInvocations()</code> method will return zero.
*/
public void clearInvocations();
}
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