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/**
 * 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.tez.runtime.api;

import org.apache.hadoop.classification.InterfaceAudience.Public;

/**
 * An {@link Input} which handles all incoming physical connections on an
 * edge. A {@link LogicalIOProcessor} sees a single Logical Input per incoming
 * edge. It provides a unified view that hides the details of the actual physical
 * inputs
 * 
 * User implementations are expected to derive from {@link AbstractLogicalInput}
 */
@Public
public interface LogicalInput extends Input {
}