1/*
2 * Copyright (C) 2015 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 com.android.providers.contacts.aggregation.util;
18
19import java.util.ArrayList;
20import java.util.HashMap;
21import java.util.HashSet;
22import java.util.List;
23import java.util.Map;
24import java.util.Set;
25
26import static com.android.internal.util.Preconditions.checkNotNull;
27
28/**
29 * Matching candidates for a raw contact, used in the contact aggregator.
30 */
31public class RawContactMatchingCandidates {
32    private List<MatchScore> mBestMatches;
33    private Set<Long> mRawContactIds = null;
34    private Map<Long, Long> mRawContactToContact = null;
35    private Map<Long, Long> mRawContactToAccount = null;
36
37    public RawContactMatchingCandidates(List<MatchScore> mBestMatches) {
38        checkNotNull(mBestMatches);
39        this.mBestMatches = mBestMatches;
40    }
41
42    public RawContactMatchingCandidates() {
43        mBestMatches = new ArrayList<MatchScore>();
44    }
45
46    public int getCount() {
47        return mBestMatches.size();
48    }
49
50    public void add(MatchScore score) {
51        mBestMatches.add(score);
52        if (mRawContactIds != null) {
53            mRawContactIds.add(score.getRawContactId());
54        }
55        if (mRawContactToAccount != null) {
56            mRawContactToAccount.put(score.getRawContactId(), score.getAccountId());
57        }
58        if (mRawContactToContact != null) {
59            mRawContactToContact.put(score.getRawContactId(), score.getContactId());
60        }
61    }
62
63    public Set<Long> getRawContactIdSet() {
64        if (mRawContactIds == null) {
65            createRawContactIdSet();
66        }
67        return mRawContactIds;
68    }
69
70    public Map<Long, Long> getRawContactToAccount() {
71        if (mRawContactToAccount == null) {
72            createRawContactToAccountMap();
73        }
74        return mRawContactToAccount;
75    }
76
77    public Long getContactId(Long rawContactId) {
78        if (mRawContactToContact == null) {
79            createRawContactToContactMap();
80        }
81        return mRawContactToContact.get(rawContactId);
82    }
83
84    public Long getAccountId(Long rawContactId) {
85        if (mRawContactToAccount == null) {
86            createRawContactToAccountMap();
87        }
88        return mRawContactToAccount.get(rawContactId);
89    }
90
91    private void createRawContactToContactMap() {
92        mRawContactToContact = new HashMap<Long, Long>();
93        for (int i = 0; i < mBestMatches.size(); i++) {
94            mRawContactToContact.put(mBestMatches.get(i).getRawContactId(),
95                    mBestMatches.get(i).getContactId());
96        }
97    }
98
99    private void createRawContactToAccountMap() {
100        mRawContactToAccount = new HashMap<Long, Long>();
101        for (int i = 0; i <  mBestMatches.size(); i++) {
102            mRawContactToAccount.put(mBestMatches.get(i).getRawContactId(),
103                    mBestMatches.get(i).getAccountId());
104        }
105    }
106
107    private void createRawContactIdSet() {
108        mRawContactIds = new HashSet<Long>();
109        for (int i = 0; i < mBestMatches.size(); i++) {
110            mRawContactIds.add(mBestMatches.get(i).getRawContactId());
111        }
112    }
113}
114