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 
```

                for (C cell : group.getInternalList()) {
                    String colFam = CellReflector.getColFam(cell);
                    String label = CellReflector.getLabelAsString(cell);
                    String colVis = CellReflector.getAuxiliaryValue(String.class, cell, colVisAuxName);
                    byte[] value = CellReflector.getValueBytesIfPrimative(cell);
                    m1.put(new Text(colFam), new Text(label), new ColumnVisibility(colVis), new Value(value));
                }
                mutations.add(m1);
                return mutations;
            }
        };

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                    String colFam = CellReflector.getColFam(cell);
                    String label = CellReflector.getLabelAsString(cell);
                    String colVis = CellReflector.getAuxiliaryValue(String.class, cell, colVisAuxName);
                    long ts = CellReflector.getAuxiliaryValue(long.class, cell, timestampAuxName);
                    byte[] value = CellReflector.getValueBytesIfPrimative(cell);
                    m1.put(new Text(colFam), new Text(label), new ColumnVisibility(colVis), ts, new Value(value));
                }
                mutations.add(m1);
                return mutations;
            }
        };

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    for (Map.Entry<ByteBuffer,List<ColumnUpdate>> entry : cells.entrySet()) {
      Mutation m = new Mutation(new Text(ByteBufferUtil.toBytes(entry.getKey())));
      
      for (ColumnUpdate update : entry.getValue()) {
        ColumnVisibility viz = EMPTY_VIS;
        if (update.isSetColVisibility()) {
          Text vizText = new Text(update.getColVisibility());
          viz = vizMap.get(vizText);
          if (viz == null) {
            vizMap.put(vizText, viz = new ColumnVisibility(vizText));
          }
        }
        byte[] value = new byte[0];
        if (update.isSetValue())
          value = update.getValue();

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            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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          Entry<Key,Value> entry = row.next();
          Key key = entry.getKey();
          if (m == null)
            m = new Mutation(key.getRow());
          // TODO optimize to avoid continually creating column vis? prob does not matter for empty
          m.putDelete(key.getColumnFamily(), key.getColumnQualifier(), new ColumnVisibility(key.getColumnVisibility()), key.getTimestamp());
        }
        getBatchWriter().addMutation(m);
        count++;
      }

View Full Code Here

  private void setupDefaultSecurityLabels(KeyExtent extent) {
    if (extent.isMeta()) {
      defaultSecurityLabel = new byte[0];
    } else {
      try {
        ColumnVisibility cv = new ColumnVisibility(acuTableConf.get(Property.TABLE_DEFAULT_SCANTIME_VISIBILITY));
        this.defaultSecurityLabel = cv.getExpression();
      } catch (Exception e) {
        log.error(e, e);
        this.defaultSecurityLabel = new byte[0];
      }
    }

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    return ts;
  }
  
  private void mput(Mutation m, String cf, String cq, String cv, String val) {
    ColumnVisibility le = new ColumnVisibility(cv.getBytes(Constants.UTF8));
    m.put(new Text(cf), new Text(cq), le, new Value(val.getBytes(Constants.UTF8)));
  }

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    ColumnVisibility le = new ColumnVisibility(cv.getBytes(Constants.UTF8));
    m.put(new Text(cf), new Text(cq), le, new Value(val.getBytes(Constants.UTF8)));
  }
  
  private void mputDelete(Mutation m, String cf, String cq, String cv) {
    ColumnVisibility le = new ColumnVisibility(cv.getBytes(Constants.UTF8));
    m.putDelete(new Text(cf), new Text(cq), le);
  }

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    BatchWriter bw = uconn.createBatchWriter("table1", new BatchWriterConfig());
    
    UUID uuid = UUID.randomUUID();
    
    Mutation m = new Mutation(uuid.toString());
    m.put("META", "SIZE", new ColumnVisibility("A|B"), "8");
    m.put("META", "CRC", new ColumnVisibility("A|B"), "456");
    m.put("META", "COUNT", new ColumnVisibility("A|B"), "1");
    m.put("DATA", "IMG", new ColumnVisibility("A&B"), "ABCDEFGH");
    
    bw.addMutation(m);
    bw.flush();
    
    m = new Mutation(uuid.toString());
    m.put("META", "COUNT", new ColumnVisibility("A|B"), "1");
    m.put("META", "CRC", new ColumnVisibility("A|B"), "123");
    bw.addMutation(m);
    
    bw.close();
    
    int count = 0;

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      Iterator<Entry<Key,Value>> iter = super.iterator();
      while (iter.hasNext()) {
        Entry<Key,Value> next = iter.next();
        Key k = next.getKey();
        Mutation m = new Mutation(k.getRow());
        m.putDelete(k.getColumnFamily(), k.getColumnQualifier(), new ColumnVisibility(k.getColumnVisibility()), k.getTimestamp());
        writer.addMutation(m);
      }
    } finally {
      writer.close();
    }

View Full Code Here

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