| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.sling.ide.transport; |
| |
| import java.util.List; |
| |
| /** |
| * The <tt>Batcher</tt> potentially optimises the way multiple commands are executed |
| * |
| * <p>Some potential optimisations: |
| * |
| * <ol> |
| * <li>Filter out duplicate commands</li> |
| * <li>Compact multiple delete commands into a large one with the same semantics</li> |
| * </ol> |
| * |
| * </p> |
| */ |
| public interface Batcher { |
| |
| /** |
| * Adds a command to the current processing session |
| * |
| * @param command the command, must not be <code>null</code> |
| */ |
| void add(Command<?> command); |
| |
| /** |
| * Returns a list of optimised commands, based on the commands added so far |
| * |
| * <p>Once the list is returned, the added commands are removed and will not be |
| * returned by subsequent invocations of this method.</p> |
| * |
| * @return the list of potentially optimised commands |
| */ |
| List<Command<?>> get(); |
| } |