/*
* 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;
}
}