| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * 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.intellij.debugger.ui.impl.watch; |
| |
| import com.sun.jdi.Method; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * @author Eugene Zhuravlev |
| * Date: Dec 13, 2006 |
| */ |
| public class MethodsTracker { |
| private final Map<Method, Integer> myMethodToOccurrenceMap = new HashMap<Method, Integer>(); |
| private final Map<Integer, MethodOccurrence> myOccurences = new HashMap<Integer, MethodOccurrence>(); |
| |
| public final class MethodOccurrence { |
| private final Method myMethod; |
| private final int myIndex; |
| |
| private MethodOccurrence(Method method, int index) { |
| myMethod = method; |
| myIndex = index; |
| } |
| |
| public Method getMethod() { |
| return myMethod; |
| } |
| |
| public int getIndex() { |
| return getOccurrenceCount(myMethod) - myIndex; |
| } |
| |
| public boolean isRecursive() { |
| return getOccurrenceCount(myMethod) > 1; |
| } |
| } |
| |
| public MethodOccurrence getMethodOccurrence(int frameIndex, Method method) { |
| MethodOccurrence occurrence = myOccurences.get(frameIndex); |
| if (occurrence == null) { |
| occurrence = new MethodOccurrence(method, assignOccurrenceIndex(method)); |
| myOccurences.put(frameIndex, occurrence); |
| } |
| return occurrence; |
| } |
| |
| private int getOccurrenceCount(Method method) { |
| if (method == null) { |
| return 0; |
| } |
| final Integer integer = myMethodToOccurrenceMap.get(method); |
| return integer != null? integer.intValue(): 0; |
| } |
| |
| private int assignOccurrenceIndex(Method method) { |
| if (method == null) { |
| return 0; |
| } |
| final int count = getOccurrenceCount(method); |
| myMethodToOccurrenceMap.put(method, count + 1); |
| return count; |
| } |
| } |