/*
* Copyright 2015 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.profiler.context.scope;
import com.navercorp.pinpoint.bootstrap.context.scope.TraceScope;
/**
* @author jaehong.kim
*/
public class DefaultTraceScope implements TraceScope {
private final String name;
private int depth = 0;
public DefaultTraceScope(String name) {
this.name = name;
}
@Override
public String getName() {
return name;
}
public boolean tryEnter() {
// policy is ALWAYS
depth++;
return true;
}
public boolean canLeave() {
if(!isActive()) {
return false;
}
return true;
}
public void leave() {
if(!isActive()) {
throw new IllegalStateException("Cannot leave with scope. depth: " + depth);
}
// policy is ALWAYS
depth--;
}
@Override
public boolean isActive() {
return depth > 0;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("DefaultTraceScope{");
sb.append("name='").append(name).append('\'');
sb.append(", depth=").append(depth);
sb.append('}');
return sb.toString();
}
}