content: /*
   * 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.ahat;
  
  import com.android.ahat.heapdump.AhatInstance;
  import com.android.ahat.heapdump.AhatSnapshot;
  import com.android.ahat.heapdump.Site;
  import com.android.ahat.heapdump.Sort;
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  class ObjectsHandler implements AhatHandler {
    private static final String OBJECTS_ID = "objects";
  
    private AhatSnapshot mSnapshot;
  
    public ObjectsHandler(AhatSnapshot snapshot) {
      mSnapshot = snapshot;
    }
  
    @Override
    public void handle(Doc doc, Query query) throws IOException {
      int id = query.getInt("id", 0);
      int depth = query.getInt("depth", 0);
      String className = query.get("class", null);
      String heapName = query.get("heap", null);
      Site site = mSnapshot.getSite(id, depth);
  
      List<AhatInstance> insts = new ArrayList<AhatInstance>();
      for (AhatInstance inst : site.getObjects()) {
        if ((heapName == null || inst.getHeap().getName().equals(heapName))
            && (className == null || inst.getClassName().equals(className))) {
          insts.add(inst);
        }
      }
  
      Collections.sort(insts, Sort.defaultInstanceCompare(mSnapshot));
  
      doc.title("Objects");
  
      doc.table(
          new Column("Size", Column.Align.RIGHT),
          new Column("Δ", Column.Align.RIGHT, mSnapshot.isDiffed()),
          new Column("Heap"),
          new Column("Object"));
  
      SubsetSelector<AhatInstance> selector = new SubsetSelector(query, OBJECTS_ID, insts);
      for (AhatInstance inst : selector.selected()) {
        AhatInstance base = inst.getBaseline();
        doc.row(
            DocString.format("%,14d", inst.getSize()),
            DocString.delta(inst.isPlaceHolder(), base.isPlaceHolder(),
              inst.getSize(), base.getSize()),
            DocString.text(inst.getHeap().getName()),
            Summarizer.summarize(inst));
      }
      doc.end();
      selector.render(doc);
    }
  }
  
  