/* * Copyright 2014 NAVER Corp. * * 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 com.navercorp.pinpoint.web.service; /** * @author emeroad */ public class SearchDepth { private final int limit; private final int depth; public SearchDepth(int limit) { this(limit, 0); } private SearchDepth(int limit, int depth) { if (limit < 0) { throw new IllegalArgumentException("negative limit " + limit); } if (depth < 0) { throw new IllegalArgumentException("negative depth" + depth); } this.limit = limit; this.depth = depth; } public SearchDepth nextDepth() { final int nextLevel = next(); return new SearchDepth(limit, nextLevel); } public int getDepth() { return depth; } public int getLimit() { return limit; } public boolean isDepthOverflow() { if (limit <= depth) { return true; } return false; } private int next() { return depth + 1; } }