001/**
002 * Copyright (C) 2006-2023 Talend Inc. - www.talend.com
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.talend.sdk.component.junit;
017
018import static java.util.Collections.singletonMap;
019
020import java.util.Iterator;
021
022import lombok.Data;
023
024/**
025 * Holds data for the __default__ input branch only. All other branches will
026 * return null.
027 */
028@Data
029public class MainInputFactory implements ControllableInputFactory {
030
031    private final Iterator<?> main;
032
033    @Override
034    public Object read(final String name) {
035        return "__default__".equals(name) ? (main.hasNext() ? main.next() : null) : null;
036    }
037
038    @Override
039    public boolean hasMoreData() {
040        return main.hasNext();
041    }
042
043    @Override
044    public InputFactoryIterable asInputRecords() {
045        return new InputFactoryIterable(this, singletonMap("__default__", main));
046    }
047}