Package org.apache.accumulo.core.data

Examples of org.apache.accumulo.core.data.Key

128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
        iter.seek(new Range(key.followingKey(PartialKey.ROW), true, range.getEndKey(), range.isEndKeyInclusive()), columnFamilies, inclusive);
      }
    }

    if (iter.hasTop()) {
      Key nextKey = iter.getTopKey();
      Value nextVal = iter.getTopValue();

      try {
        key = (Key) nextKey.clone();
      } catch (CloneNotSupportedException e) {
        throw new IOException(e);
      }
      val = nextVal;
    } else {
View Full Code Here
89
90
91
92
93
94
95
96
97
98
99
100
101
      throw new IllegalArgumentException("Cannot seek to null range");
   
    if (interruptFlag != null && interruptFlag.get())
      throw new IterationInterruptedException();
   
    Key key = range.getStartKey();
    if (key == null) {
      key = new Key();
    }
   
    reader.seek(key);
   
    while (hasTop() && range.beforeStartKey(getTopKey())) {
View Full Code Here
72
73
74
75
76
77
78
  protected Key buildKey(Text partition, Text term, Text docID) {
    Text colq = new Text(term);
    colq.append(nullByte, 0, 1);
    colq.append(docID.getBytes(), 0, docID.getLength());
    colq.append(nullByte, 0, 1);
    return new Key(partition, indexColf, colq);
  }
View Full Code Here
78
79
80
81
82
83
84
  }
 
  @Override
  protected Key buildKey(Text partition, Text term) {
    Text colq = new Text(term);
    return new Key(partition, indexColf, colq);
  }
View Full Code Here
156
157
158
159
160
161
162
163
164
165
166
167
168
    super.advanceToIntersection();
    if (topKey == null)
      return;
    if (log.isTraceEnabled())
      log.trace("using top key to seek for doc: " + topKey.toString());
    Key docKey = buildDocKey();
    docSource.seek(new Range(docKey, true, null, false), docColfSet, true);
    log.debug("got doc key: " + docSource.getTopKey().toString());
    if (docSource.hasTop() && docKey.equals(docSource.getTopKey(), PartialKey.ROW_COLFAM_COLQUAL)) {
      value = docSource.getTopValue();
    }
    log.debug("got doc value: " + value.toString());
  }
View Full Code Here
179
180
181
182
183
184
185
186
187
188
    docColfSet = Collections.singleton((ByteSequence) new ArrayByteSequence(colf.getBytes(), 0, colf.getLength()));
    if (log.isTraceEnabled())
      log.trace(zeroIndex + " " + currentDocID.getLength());
    Text colq = new Text();
    colq.set(currentDocID.getBytes(), zeroIndex + 1, currentDocID.getLength() - zeroIndex - 1);
    Key k = new Key(currentPartition, colf, colq);
    if (log.isTraceEnabled())
      log.trace("built doc key for seek: " + k.toString());
    return k;
  }
View Full Code Here
227
228
229
230
231
232
233
234
235
236
237
        continue;
      }
     
      tabletLocations.add(tl);
     
      while (tl.tablet_extent.getEndRow() != null && !range.afterEndKey(new Key(tl.tablet_extent.getEndRow()).followingKey(PartialKey.ROW))) {
        if (useCache) {
          Text row = new Text(tl.tablet_extent.getEndRow());
          row.append(new byte[] {0}, 0, 1);
          tl = locateTabletInCache(row);
        } else {
View Full Code Here
95
96
97
98
99
100
101
102
103
      byte[] cf = readField(din); // read the col fam
      byte[] cq = readField(din); // read the col qual
      byte[] cv = readField(din); // read the col visibility
      long timestamp = din.readLong(); // read the timestamp
      byte[] valBytes = readField(din); // read the value
      map.put(new Key(rowKey.getRowData().toArray(), cf, cq, cv, timestamp, false, false), new Value(valBytes, false));
    }
    return map;
  }
View Full Code Here
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
  public static final Value encodeRow(List<Key> keys, List<Value> values) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    DataOutputStream dout = new DataOutputStream(out);
    dout.writeInt(keys.size());
    for (int i = 0; i < keys.size(); i++) {
      Key k = keys.get(i);
      Value v = values.get(i);
      // write the colfam
      {
        ByteSequence bs = k.getColumnFamilyData();
        dout.writeInt(bs.length());
        dout.write(bs.getBackingArray(), bs.offset(), bs.length());
      }
      // write the colqual
      {
        ByteSequence bs = k.getColumnQualifierData();
        dout.writeInt(bs.length());
        dout.write(bs.getBackingArray(), bs.offset(), bs.length());
      }
      // write the column visibility
      {
        ByteSequence bs = k.getColumnVisibilityData();
        dout.writeInt(bs.length());
        dout.write(bs.getBackingArray(), bs.offset(), bs.length());
      }
      // write the timestamp
      dout.writeLong(k.getTimestamp());
      // write the value
      byte[] valBytes = v.get();
      dout.writeInt(valBytes.length);
      dout.write(valBytes);
    }
View Full Code Here
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
        return;
      currentRow = new Text(sourceIter.getTopKey().getRow());
      keys.clear();
      values.clear();
      while (sourceIter.hasTop() && sourceIter.getTopKey().getRow().equals(currentRow)) {
        keys.add(new Key(sourceIter.getTopKey()));
        values.add(new Value(sourceIter.getTopValue()));
        sourceIter.next();
      }
    } while (!filter(currentRow, keys, values));
   
    topKey = new Key(currentRow);
    topValue = encodeRow(keys, values);
   
  }
View Full Code Here
TOP

Related Classes of org.apache.accumulo.core.data.Key

  • org.apache.accumulo.core.client.impl.OfflineIterator
  • org.apache.accumulo.core.client.impl.TabletLocatorImplTest
  • org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator
  • org.apache.accumulo.core.client.impl.ThriftScanner
  • org.apache.accumulo.core.client.mapred.RangeInputSplitTest
  • org.apache.accumulo.core.client.mapreduce.AccumuloInputFormatTest$TestMapper
  • org.apache.accumulo.core.client.mapreduce.InputFormatBase
  • org.apache.accumulo.core.client.mapreduce.RangeInputSplitTest
  • org.apache.accumulo.core.client.mock.MockConnectorTest
  • org.apache.accumulo.core.client.mock.MockTable
    • 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.