Examples of FixedSizeBitSet

Examples of com.liveramp.cascading_ext.FixedSizeBitSet

110
111
112
113
114
115
116
117
118
119
    long splitSize = BloomUtil.getSplitSize(numBits, numSplits);

    Context c = new Context();

    for(int i = minHashes; i <= maxHashes; i++){
      c.numHashesToBitSet.put(i, new FixedSizeBitSet(splitSize, new byte[FixedSizeBitSet.getNumBytesToStore(splitSize)]));
    }

    call.setContext(c);
  }
View Full Code Here

Examples of com.liveramp.cascading_ext.FixedSizeBitSet

40
41
42
43
44
45
46
  public BloomFilter() {
  }

  public BloomFilter(long vectorSize, int numHashes) {
    this(vectorSize, numHashes, new FixedSizeBitSet(vectorSize), 0);
  }
View Full Code Here

Examples of com.liveramp.cascading_ext.FixedSizeBitSet

144
145
146
147
148
149
150
          " but current hash function type is " + hashFunction.getHashID() + "!");
    }

    byte[] bytes = new byte[FixedSizeBitSet.getNumBytesToStore(vectorSize)];
    in.readFully(bytes);
    bits = new FixedSizeBitSet(vectorSize, bytes);
  }
View Full Code Here

Examples of com.liveramp.cascading_ext.FixedSizeBitSet

72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
    // http://pages.cs.wisc.edu/~cao/papers/summary-cache/node8.html
    return Math.pow(1.0 - Math.exp((double) -numHashes * numElements / vectorSize), numHashes);
  }

  private static BloomFilter mergeBloomParts(String tapPath, long numBloomBits, long splitSize, int numBloomHashes, long numElems) throws IOException {
    FixedSizeBitSet bitSet = new FixedSizeBitSet(numBloomBits);

    if (FileSystemHelper.getFS().exists(new Path(tapPath))) {
      Hfs tap = new Hfs(new SequenceFile(new Fields("split", "filter")), tapPath);
      TupleEntryIterator itr = tap.openForRead(CascadingUtil.get().getFlowProcess());
      while (itr.hasNext()) {
        TupleEntry cur = itr.next();
        long split = cur.getLong(0);
        FixedSizeBitSet curSet = new FixedSizeBitSet(splitSize, ((BytesWritable) cur.getObject(1)).getBytes());
        for (long i = 0; i < curSet.numBits(); i++) {
          if (curSet.get(i)) {
            bitSet.set(split * splitSize + i);
          }
        }
      }
      itr.close();
View Full Code Here

Examples of org.jgroups.util.FixedSizeBitSet

13
14
15
16
17
18
19
20
21
*/
@Test(groups=Global.FUNCTIONAL,sequential=false)
public class FixedSizeBitSetTest {

    public static void testConstructor() {
        FixedSizeBitSet set=new FixedSizeBitSet(10);
        assert set.cardinality() == 0;
        assert set.size() == 10;
    }
View Full Code Here

Examples of org.jgroups.util.FixedSizeBitSet

20
21
22
23
24
25
26
27
28
        assert set.size() == 10;
    }

    @Test(expectedExceptions=IndexOutOfBoundsException.class)
    public static void testSetWithIndexOutOfBounds() {
        FixedSizeBitSet set=new FixedSizeBitSet(10);
        set.set(0);
        set.set(10);
    }
View Full Code Here

Examples of org.jgroups.util.FixedSizeBitSet

27
28
29
30
31
32
33
34
        set.set(10);
    }

    @Test(expectedExceptions=IndexOutOfBoundsException.class)
    public static void testClearWithIndexOutOfBounds() {
        FixedSizeBitSet set=new FixedSizeBitSet(10);
        set.clear(10);
    }
View Full Code Here

Examples of org.jgroups.util.FixedSizeBitSet

33
34
35
36
37
38
39
40
        set.clear(10);
    }

    @Test(expectedExceptions=IndexOutOfBoundsException.class)
    public static void testGetWithIndexOutOfBounds() {
        FixedSizeBitSet set=new FixedSizeBitSet(10);
        set.get(10);
    }
View Full Code Here

Examples of org.jgroups.util.FixedSizeBitSet

39
40
41
42
43
44
45
46
47
48
49
        set.get(10);
    }


    public static void testToString() {
        FixedSizeBitSet set=new FixedSizeBitSet(10);
        System.out.println("set = " + set);
        set.set(0);
        set.set(9);
        System.out.println("set = " + set);
    }
View Full Code Here

Examples of org.jgroups.util.FixedSizeBitSet

48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
        System.out.println("set = " + set);
    }


    public static void testNextSetBit() {
        FixedSizeBitSet set=new FixedSizeBitSet(64);
        int index=set.nextSetBit(10);
        assert index == -1 : "expected -1 but got " + index;

        index=set.nextSetBit(63);
        assert index == -1 : "expected -1 but got " + index;

        set.set(62);
        index=set.nextSetBit(62);
        assert index == 62 : "expected 62 but got " + index;

        index=set.nextSetBit(63);
        assert index == -1 : "expected -1 but got " + index;

        set.set(63);
        index=set.nextSetBit(63);
        assert index == 63 : "expected 63 but got " + index;
    }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. 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.