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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.content;
     18 
     19 import android.net.Uri;
     20 
     21 import java.util.ArrayList;
     22 
     23 /**
     24  * A representation of a item using ContentValues. It contains one top level ContentValue
     25  * plus a collection of Uri, ContentValues tuples as subvalues. One example of its use
     26  * is in Contacts, where the top level ContentValue contains the columns from the RawContacts
     27  * table and the subvalues contain a ContentValues object for each row from the Data table that
     28  * corresponds to that RawContact. The uri refers to the Data table uri for each row.
     29  */
     30 public final class Entity {
     31     final private ContentValues mValues;
     32     final private ArrayList<NamedContentValues> mSubValues;
     33 
     34     public Entity(ContentValues values) {
     35         mValues = values;
     36         mSubValues = new ArrayList<NamedContentValues>();
     37     }
     38 
     39     public ContentValues getEntityValues() {
     40         return mValues;
     41     }
     42 
     43     public ArrayList<NamedContentValues> getSubValues() {
     44         return mSubValues;
     45     }
     46 
     47     public void addSubValue(Uri uri, ContentValues values) {
     48         mSubValues.add(new Entity.NamedContentValues(uri, values));
     49     }
     50 
     51     public static class NamedContentValues {
     52         public final Uri uri;
     53         public final ContentValues values;
     54 
     55         public NamedContentValues(Uri uri, ContentValues values) {
     56             this.uri = uri;
     57             this.values = values;
     58         }
     59     }
     60 
     61     public String toString() {
     62         final StringBuilder sb = new StringBuilder();
     63         sb.append("Entity: ").append(getEntityValues());
     64         for (Entity.NamedContentValues namedValue : getSubValues()) {
     65             sb.append("\n  ").append(namedValue.uri);
     66             sb.append("\n  -> ").append(namedValue.values);
     67         }
     68         return sb.toString();
     69     }
     70 }
     71