android/src/com/android/tools/idea/editors/allocations/nodes/StackSourceNode.java

/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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.android.tools.idea.editors.allocations.nodes;

import com.android.ddmlib.AllocationInfo;
import org.jetbrains.annotations.NotNull;

import java.util.HashMap;
import java.util.Map;

abstract public class StackSourceNode extends AbstractTreeNode {
  @NotNull protected Map<StackTraceElement, StackNode>
    myChildrenMap = new HashMap<StackTraceElement, StackNode>();

  public void insert(AllocationInfo alloc, int depth) {
    StackTraceElement[] stack = alloc.getStackTrace();
    if (depth < stack.length) {
      StackTraceElement element = stack[stack.length - 1 - depth];
      StackNode child = myChildrenMap.get(element);
      if (child == null) {
        child = new StackNode(element);
        myChildrenMap.put(element, child);
        addChild(child);
      }
      child.insert(alloc, depth + 1);
    }
    else {
      AllocNode allocNode = new AllocNode(alloc);
      addChild(allocNode);
    }
  }
}