Examples of org.apache.accumulo.core.security.ColumnVisibility

Package org.apache.accumulo.core.security

Examples of org.apache.accumulo.core.security.ColumnVisibility

org.apache.accumulo.core.security.ColumnVisibility
Validate the column visibility is a valid expression and set the visibility for a Mutation. See {@link ColumnVisibility#ColumnVisibility(byte[])} for thedefinition of an expression.
The expression is a sequence of characters from the set [A-Za-z0-9_-.] along with the binary operators "&" and "|" indicating that both operands are necessary, or the either is necessary. The following are valid expressions for visibility:
```
 A A|B (A|B)&(C|D) orange|(red&yellow) 
```
The following are not valid expressions for visibility:
```
 A|B&C A=B A|B| A&|B () ) dog|!cat 
```
In addition to the base set of visibilities, any character can be used in the expression if it is quoted. If the quoted term contains '"' or '\', then escape the character with '\'. The {@link #quote(String)} method can be used to properly quote and escape terms automatically. The following is an example of a quoted term:
```
 "A#C"&B 
```

    
    long lastFlushTime = System.currentTimeMillis();
    
    out: while (true) {
      // generate first set of nodes
      ColumnVisibility cv = getVisibility(r);


      for (int index = 0; index < flushInterval; index++) {
        long rowLong = genLong(opts.min, opts.max, r);
        prevRows[index] = rowLong;
        firstRows[index] = rowLong;

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    BatchWriter bw = conn.createBatchWriter("test", new BatchWriterConfig());
    
    for (Entry<Key,Value> e : data) {
      Key k = e.getKey();
      Mutation m = new Mutation(k.getRow());
      m.put(k.getColumnFamily(), k.getColumnQualifier(), new ColumnVisibility(k.getColumnVisibility()), k.getTimestamp(), e.getValue());
      bw.addMutation(m);
    }
    bw.close();
    
    assertEquals(0, CIFTester.main(new String[] {"instance1", "root", "", "test", CIFTester.TestMapper.class.getName()}));

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    BatchWriter bw = conn.createBatchWriter("test", new BatchWriterConfig());
    
    for (Entry<Key,Value> e : data) {
      Key k = e.getKey();
      Mutation m = new Mutation(k.getRow());
      m.put(k.getColumnFamily(), k.getColumnQualifier(), new ColumnVisibility(k.getColumnVisibility()), k.getTimestamp(), e.getValue());
      bw.addMutation(m);
    }
    bw.close();
    
    assertEquals(1, CIFTester.main(new String[] {"instance2", "root", "", "test", CIFTester.TestNoClose.class.getName()}));

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    conn.tableOperations().create("test");
    BatchWriter bw = conn.createBatchWriter("test", new BatchWriterConfig());
    for (Entry<Key,Value> e : baddata) {
      Key k = e.getKey();
      Mutation m = new Mutation(k.getRow());
      m.put(k.getColumnFamily(), k.getColumnQualifier(), new ColumnVisibility(k.getColumnVisibility()), k.getTimestamp(), e.getValue());
      bw.addMutation(m);
    }
    bw.close();
    
    assertEquals(0, CIFTester.main(new String[] {"instance3", "root", "", "test", CIFTester.TestBadData.class.getName()}));

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    private int printMutation(Text table, Mutation m) {
      if (log.isTraceEnabled()) {
        log.trace(String.format("Table %s row key: %s", table, hexDump(m.getRow())));
        for (ColumnUpdate cu : m.getUpdates()) {
          log.trace(String.format("Table %s column: %s:%s", table, hexDump(cu.getColumnFamily()), hexDump(cu.getColumnQualifier())));
          log.trace(String.format("Table %s security: %s", table, new ColumnVisibility(cu.getColumnVisibility()).toString()));
          log.trace(String.format("Table %s value: %s", table, hexDump(cu.getValue())));
        }
      }
      return m.getUpdates().size();
    }

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  }
  
  public static class VisibilityConverter implements IStringConverter<ColumnVisibility> {
    @Override
    public ColumnVisibility convert(String value) {
      return new ColumnVisibility(value);
    }

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    BatchWriter bw = conn.createBatchWriter("test", new BatchWriterConfig());
    
    for (Entry<Key,Value> e : data) {
      Key k = e.getKey();
      Mutation m = new Mutation(k.getRow());
      m.put(k.getColumnFamily(), k.getColumnQualifier(), new ColumnVisibility(k.getColumnVisibility()), e.getValue());
      bw.addMutation(m);
    }
    bw.close();
    
    Scanner scan = conn.createScanner("test", new Authorizations("A", "B", "C", "D"));

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    private int printMutation(Text table, Mutation m) {
      if (log.isTraceEnabled()) {
        log.trace(String.format("Table %s row key: %s", table, hexDump(m.getRow())));
        for (ColumnUpdate cu : m.getUpdates()) {
          log.trace(String.format("Table %s column: %s:%s", table, hexDump(cu.getColumnFamily()), hexDump(cu.getColumnQualifier())));
          log.trace(String.format("Table %s security: %s", table, new ColumnVisibility(cu.getColumnVisibility()).toString()));
          log.trace(String.format("Table %s value: %s", table, hexDump(cu.getValue())));
        }
      }
      return m.getUpdates().size();
    }

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      public void write(Key key, Value value) throws IOException {
        
        Boolean wasChecked = (Boolean) validVisibilities.get(key.getColumnVisibilityData());
        if (wasChecked == null) {
          byte[] cv = key.getColumnVisibilityData().toArray();
          new ColumnVisibility(cv);
          validVisibilities.put(new ArrayByteSequence(Arrays.copyOf(cv, cv.length)), Boolean.TRUE);
        }
        
        if (out == null) {
          out = FileOperations.getInstance().openWriter(file.toString(), file.getFileSystem(conf), conf, acuConf);

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          if (setTime) {
            key.setTimestamp(time);
          }
          Mutation mutation = new Mutation(key.getRow());
          if (!key.isDeleted()) {
            mutation.put(key.getColumnFamily(), key.getColumnQualifier(), new ColumnVisibility(key.getColumnVisibilityData().toArray()), key.getTimestamp(),
                value);
          } else {
            mutation.putDelete(key.getColumnFamily(), key.getColumnQualifier(), new ColumnVisibility(key.getColumnVisibilityData().toArray()),
                key.getTimestamp());
          }
          table.addMutation(mutation);
          importIterator.next();
        }

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