Package org.apache.hadoop.util.bloom

Examples of org.apache.hadoop.util.bloom.Filter.membershipTest()

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  public void testFilter() throws IOException {
    Filter filter = getFilter(filterTokens);
    Key k = new Key();
    for (String s: filterTokens) {
      setKey(k,s);
      assertTrue("Key for string " + s + " should be filter member", filter.membershipTest(k));
    }
   
    for (String s: notFilterTokens)  {
      setKey(k,s);
      assertFalse("Key for string " + s + " should not be filter member", filter.membershipTest(k));
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      assertTrue("Key for string " + s + " should be filter member", filter.membershipTest(k));
    }
   
    for (String s: notFilterTokens)  {
      setKey(k,s);
      assertFalse("Key for string " + s + " should not be filter member", filter.membershipTest(k));
    }
  }
 
  /** normal case, unfiltered analyzer */
  @Test
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  public void testFilter() throws IOException {
    Filter filter = getFilter(filterTokens);
    Key k = new Key();
    for (String s: filterTokens) {
      setKey(k,s);
      assertTrue("Key for string " + s + " should be filter member", filter.membershipTest(k));
    }
   
    for (String s: notFilterTokens)  {
      setKey(k,s);
      assertFalse("Key for string " + s + " should not be filter member", filter.membershipTest(k));
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      assertTrue("Key for string " + s + " should be filter member", filter.membershipTest(k));
    }
   
    for (String s: notFilterTokens)  {
      setKey(k,s);
      assertFalse("Key for string " + s + " should not be filter member", filter.membershipTest(k));
    }
  }
 
  /** normal case, unfiltered analyzer */
  @Test
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  public void testFilter() throws IOException {
    Filter filter = getFilter(filterTokens);
    Key k = new Key();
    for (String s: filterTokens) {
      setKey(k,s);
      assertTrue("Key for string " + s + " should be filter member", filter.membershipTest(k));
    }
   
    for (String s: notFilterTokens)  {
      setKey(k,s);
      assertFalse("Key for string " + s + " should not be filter member", filter.membershipTest(k));
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      assertTrue("Key for string " + s + " should be filter member", filter.membershipTest(k));
    }
   
    for (String s: notFilterTokens)  {
      setKey(k,s);
      assertFalse("Key for string " + s + " should not be filter member", filter.membershipTest(k));
    }
  }
 
  /** normal case, unfiltered analyzer */
  @Test
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      UUID uuid  = UUID.randomUUID();
   
      Key key =  new Key(uuid.toString().getBytes() );
      bloom.add( key );
     
      Assert.assertTrue( bloom.membershipTest(key));
      if( (i % 10000) == 0 ) {
          System.out.println(" Added " + i + " elements.");
      }
    }
   
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    int numHits = 0;
    for( int i=0; i< numElems; ++i) {
      UUID uuid  = UUID.randomUUID();
      Key key =  new Key(uuid.toString().getBytes() );
      if( bloom.membershipTest(key)) {
        numHits++;
      }
    }
    System.out.print("Number of hits = " + numHits + " out of " + numElems + " or " + ((double)numHits/(double)numElems)*100.0 + " %");
    Assert.assertTrue( numHits/numElems <= pct);
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      UUID uuid  = UUID.randomUUID();
   
      Key key =  new Key(uuid.toString().getBytes() );
      bloom1.add( key );
     
      Assert.assertTrue( bloom1.membershipTest(key));
        (unionMap).add( uuid.toString());
     
      if( (i % 10000) == 0 ) {
          System.out.println(" Added " + i + " elements.");
      }
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      UUID uuid  = UUID.randomUUID();
   
      Key key =  new Key(uuid.toString().getBytes() );
      bloom2.add( key );
     
      Assert.assertTrue( bloom2.membershipTest(key));
        (unionMap).add( uuid.toString());
     
      if( (i % 10000) == 0 ) {
          System.out.println(" Added " + i + " elements.");
      }
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