Package dovetaildb.bagindex

Examples of dovetaildb.bagindex.BagIndex

85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
 
  private ArrayList<EditRec> encodeBuffer(String bagName, long revNum, ApiBuffer value) {
    ArrayList<EditRec> edits = new ArrayList<EditRec>();

    BagEntry bagRec = bagIndexes.get(bagName);
    BagIndex index = bagRec.getBagIndex();
    QueryNode idQuery = null;
    Map<String,Object> entries = value.getEntries();
    QueryNode data = null;
    if (revNum > 0) {
      data = index.getRange(Range.OPEN_RANGE, revNum);
      int capacity = value.getDeletions().size()+value.getEntries().size();
      if (capacity > 0) {
        ArrayList<Bytes> idTerms = new ArrayList<Bytes>(capacity);
        for(String key : value.getDeletions()) {
          idTerms.add(new CompoundBytes(ID_BYTES, new ArrayBytes(Util.decodeString(key))));
        }
        for(String key : entries.keySet()) {
          idTerms.add(new CompoundBytes(ID_BYTES, new ArrayBytes(Util.decodeString(key))));
        }
        idQuery = index.getTerms(idTerms, revNum);
      }
    }
    long lastDocId = Long.MIN_VALUE;
    if (idQuery != null) {
      long docId = idQuery.doc();
View Full Code Here
197
198
199
200
201
202
203
204
205
206
207
  @Override
  public Iter query(String bag, long txnId, Object query, Map<String, Object> options) {
    BagEntry rec = bagIndexes.get(bag);
    if (rec == null) return EmptyIter.EMPTY_ITER;
    BagIndex index = rec.getBagIndex();
    try {
      long revNum = txnMapper.getRevForTxn(bag, txnId);
      if (revNum == -1) return EmptyIter.EMPTY_ITER;
      QueryNodeTemplate templ = DbServiceUtil.applyPatternToBagIndex(query, index, revNum);
      //System.out.println("Query plan: "+templ.queryNode);
View Full Code Here
67
68
69
70
71
72
73
74
75
76
77
78
79
80
      public DbService makeDbService(final File subDbServiceHome, final DbService prevService) {
        BagIndexBridge b = new BagIndexBridge(subDbServiceHome);
        b.setBagIndexFactory(new BagEntryFactory() {
          public BagEntry makeBagEntry(String bagName) {
            BlueSteelBagIndex bsBagIndex = new FsBlueSteelBagIndex(sync);
            BagIndex bagIndex = bsBagIndex;
            bagIndex.setHomedir(new File(subDbServiceHome, "bag_"+bagName).getAbsolutePath());
            if (prevService != null) {
              BagIndex prevIndex = prevService.getBag(bagName);
              if (prevIndex != null) {
                Bytes[] table = PrefixCompressedBagIndex.determineCompressionTable(prevIndex, lengthToRowRatio);
                PrefixCompressedBagIndex pcBagIndex = new PrefixCompressedBagIndex(bsBagIndex, table);
                bagIndex = pcBagIndex;
                bsBagIndex.setTermTableDepth(pcBagIndex.getNumCompressedBytes());
View Full Code Here
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
  private ArrayList<EditRec> encodeBuffer(String bagName, long revNum, ApiBuffer value) {
    ArrayList<EditRec> edits = new ArrayList<EditRec>();

    // fashion directly and make a nodeiterator !!!
    BagEntry bagRec = bagIndexes.get(bagName);
    BagIndex index = bagRec.bagIndex;
    if (revNum == -1) revNum = index.getCurrentRevNum();

    // TODO: more efficient; BagIndex needs a "get multi"
    QueryNode data = index.getRange(ArrayBytes.EMPTY_BYTES, null, null, false, false, revNum);
    ArrayList<QueryNode> clauses = new ArrayList<QueryNode>(value.getDeletions().size()+value.getEntries().size());
   
    for(String key : value.getDeletions()) {
      QueryNode q = index.getTerm(new CompoundBytes(ID_BYTES, new ArrayBytes(Util.decodeString(key))), revNum);
      if (q == null) throw new RuntimeException("Object not found; id=\""+key+"\"");
      clauses.add(q);
    }
    if (clauses.size() > 0) {
      QueryNode idQuery = new OrderedOrQueryNode(clauses, null, null, null, false, false);
      do {
        long docId = idQuery.doc();
        data.skipTo(docId);
        do {
          edits.add(new EditRec(docId, data.term(), true));
        } while(data.nextTerm() == NextStatus.NEXT_TERM);
      } while(idQuery.next());
    }
   
    long insId = -1;
    for(Map.Entry<String,Object> entry : value.getEntries().entrySet()) {
      String key = entry.getKey();
      QueryNode q = index.getTerm(new CompoundBytes(ID_BYTES, new ArrayBytes(Util.decodeString(key))), revNum);
      if (q != null) {
        clauses.add(q);
      } else {
        long docId = insId--;
        DbServiceUtil.sencodeMulti(ArrayBytes.EMPTY_BYTES, entry.getValue(), edits, docId, false);
View Full Code Here
206
207
208
209
210
211
212
213
214
215
216
  @Override
  public Iter query(String bag, long txnId, Object query, Map<String, Object> options) {
    BagEntry rec = bagIndexes.get(bag);
    if (rec == null) return EmptyIter.EMPTY_ITER;
    BagIndex index = rec.bagIndex;
    try {
      long revNum = txnMapper.getRevForTxn(bag, txnId);
      if (revNum == -1) return EmptyIter.EMPTY_ITER;
      QueryNodeTemplate templ = DbServiceUtil.applyPatternToBagIndex(query, index, revNum);
      return QueryNodeIter.make(templ);
View Full Code Here
TOP

Related Classes of dovetaildb.bagindex.BagIndex

  • dovetaildb.dbservice.BagIndexBridge
  • dovetaildb.StdLib
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.