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
17package android.content;
18
19import android.net.Uri;
20
21import 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 */
30public 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