001/* 002 * (C) Copyright 2014-2016 Nuxeo SA (http://nuxeo.com/) and others. 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 * 016 * Contributors: 017 * bdelbosc 018 */ 019package org.nuxeo.ecm.core.api; 020 021import java.util.Collections; 022import java.util.List; 023 024/** 025 * @since 8.4 026 */ 027public class ScrollResultImpl implements ScrollResult { 028 029 protected static final ScrollResult EMPTY_RESULT = new ScrollResultImpl("empty", Collections.emptyList()); 030 protected final String scrollId; 031 protected final List<String> ids; 032 033 public static ScrollResult emptyResult() { 034 return EMPTY_RESULT; 035 } 036 037 public ScrollResultImpl(String scrollId, List<String> ids) { 038 this.scrollId = scrollId; 039 this.ids = Collections.unmodifiableList(ids); 040 } 041 042 @Override 043 public String getScrollId() { 044 return scrollId; 045 } 046 047 @Override 048 public List<String> getResultIds() { 049 return ids; 050 } 051 052 @Override 053 public boolean hasResults() { 054 return ids != null && !ids.isEmpty(); 055 } 056 057}