Java Mutation.putDelete方法代碼示例

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
public boolean alterElementVisibility(Mutation m, AccumuloElement element, Visibility newVisibility) {
    ColumnVisibility currentColumnVisibility = visibilityToAccumuloVisibility(element.getVisibility());
    ColumnVisibility newColumnVisibility = visibilityToAccumuloVisibility(newVisibility);
    if (currentColumnVisibility.equals(newColumnVisibility)) {
        return false;
    }

    if (element instanceof AccumuloEdge) {
        AccumuloEdge edge = (AccumuloEdge) element;
        m.putDelete(AccumuloEdge.CF_SIGNAL, new Text(edge.getLabel()), currentColumnVisibility, currentTimeMillis());
        m.put(AccumuloEdge.CF_SIGNAL, new Text(edge.getLabel()), newColumnVisibility, currentTimeMillis(), ElementMutationBuilder.EMPTY_VALUE);

        m.putDelete(AccumuloEdge.CF_OUT_VERTEX, new Text(edge.getVertexId(Direction.OUT)), currentColumnVisibility, currentTimeMillis());
        m.put(AccumuloEdge.CF_OUT_VERTEX, new Text(edge.getVertexId(Direction.OUT)), newColumnVisibility, currentTimeMillis(), ElementMutationBuilder.EMPTY_VALUE);

        m.putDelete(AccumuloEdge.CF_IN_VERTEX, new Text(edge.getVertexId(Direction.IN)), currentColumnVisibility, currentTimeMillis());
        m.put(AccumuloEdge.CF_IN_VERTEX, new Text(edge.getVertexId(Direction.IN)), newColumnVisibility, currentTimeMillis(), ElementMutationBuilder.EMPTY_VALUE);
    } else if (element instanceof AccumuloVertex) {
        m.putDelete(AccumuloVertex.CF_SIGNAL, EMPTY_TEXT, currentColumnVisibility, currentTimeMillis());
        m.put(AccumuloVertex.CF_SIGNAL, EMPTY_TEXT, newColumnVisibility, currentTimeMillis(), ElementMutationBuilder.EMPTY_VALUE);
    } else {
        throw new IllegalArgumentException("Invalid element type: " + element);
    }
    return true;
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
private void createEntries(Opts opts) throws Exception {
  if (opts.createEntries || opts.deleteEntries) {
    BatchWriterConfig cfg = new BatchWriterConfig();
    cfg.setDurability(opts.durability);
    BatchWriter writer = new SignedBatchWriter(conn, opts.getTableName(), cfg, opts.signatureConfig, opts.signatureKeys);
    ColumnVisibility cv = new ColumnVisibility(opts.auths.toString().replace(',', '|'));

    Text cf = new Text("datatypes");
    Text cq = new Text("xml");
    byte[] row = {'h', 'e', 'l', 'l', 'o', '\0'};
    byte[] value = {'w', 'o', 'r', 'l', 'd', '\0'};

    for (int i = 0; i < 10; i++) {
      row[row.length - 1] = (byte) i;
      Mutation m = new Mutation(new Text(row));
      if (opts.deleteEntries) {
        m.putDelete(cf, cq, cv);
      }
      if (opts.createEntries) {
        value[value.length - 1] = (byte) i;
        m.put(cf, cq, cv, new Value(value));
      }
      writer.addMutation(m);
    }
    writer.close();
  }
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
private void createEntries(Opts opts) throws Exception {
  if (opts.createEntries || opts.deleteEntries) {
    BatchWriterConfig cfg = new BatchWriterConfig();
    cfg.setDurability(opts.durability);
    BatchWriter writer = new EncryptedBatchWriter(conn, opts.getTableName(), cfg, opts.encryptionConfig, opts.encryptionKeys);
    ColumnVisibility cv = new ColumnVisibility(opts.auths.toString().replace(',', '|'));

    Text cf = new Text("datatypes");
    Text cq = new Text("xml");
    byte[] row = {'h', 'e', 'l', 'l', 'o', '\0'};
    byte[] value = {'w', 'o', 'r', 'l', 'd', '\0'};

    for (int i = 0; i < 10; i++) {
      row[row.length - 1] = (byte) i;
      Mutation m = new Mutation(new Text(row));
      if (opts.deleteEntries) {
        m.putDelete(cf, cq, cv);
      }
      if (opts.createEntries) {
        value[value.length - 1] = (byte) i;
        m.put(cf, cq, cv, new Value(value));
      }
      writer.addMutation(m);
    }
    writer.close();
  }
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
public void change(EncryptionConfig config) throws Exception {
  Random random = new Random();
  List<Entry<Key,Value>> entries = new ArrayList<>();

  for (int i = 0; i < 1000; i++) {
    byte[] bytes = new byte[32 * 4];
    random.nextBytes(bytes);
    entries.add(new AbstractMap.SimpleImmutableEntry<>(new Key(Arrays.copyOfRange(bytes, 0, 32), Arrays.copyOfRange(bytes, 32, 64), Arrays.copyOfRange(bytes,
        64, 96), "secret".getBytes(VISIBILITY_CHARSET), (long) 0, false), new Value(Arrays.copyOfRange(bytes, 96, 128))));
  }

  // Write the entries to Accumulo.
  BatchWriter writer = AccumuloInstance.getConnector(USER).createBatchWriter(UNENCRYPTED_TEST_TABLE, null);
  BatchWriter encryptedWriter = new EncryptedBatchWriter(AccumuloInstance.getConnector(USER), ENCRYPTED_TEST_TABLE, null, config,
      AccumuloInstance.getUser(USER).encryptionKeys);

  for (Entry<Key,Value> entry : entries) {
    Key key = entry.getKey();
    Mutation mutation = new Mutation(entry.getKey().getRow());

    if (key.isDeleted()) {
      mutation.putDelete(key.getColumnFamily(), key.getColumnQualifier(), key.getColumnVisibilityParsed(), key.getTimestamp());
    } else {
      mutation.put(key.getColumnFamily(), key.getColumnQualifier(), key.getColumnVisibilityParsed(), key.getTimestamp(), entry.getValue());
    }

    writer.addMutation(mutation);
    encryptedWriter.addMutation(mutation);
  }

  writer.close();
  encryptedWriter.close();
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
/**
 * Signs the given mutation and then write it to Accumulo.
 *
 * @param mutation
 *          The mutation to sign.
 */
@Override
public void addMutation(Mutation mutation) throws MutationsRejectedException {
  Mutation signedMutation = new Mutation(mutation.getRow());

  // Sign the entries.
  for (ColumnUpdate update : mutation.getUpdates()) {
    if (update.isDeleted()) {
      if (signatureConfig.destination == Destination.COLUMN_VISIBILITY) {
        throw new IllegalArgumentException("cannot delete entries when the signature is stored in the column visibility");
      }

      if (update.hasTimestamp()) {
        signedMutation.putDelete(update.getColumnFamily(), update.getColumnQualifier(), new ColumnVisibility(update.getColumnVisibility()),
            update.getTimestamp());
      } else {
        signedMutation.putDelete(update.getColumnFamily(), update.getColumnQualifier(), new ColumnVisibility(update.getColumnVisibility()));
      }
    } else {
      Entry<Key,Value> signedEntry = signer.sign(new MutableEntry(mutation.getRow(), update).toEntry(), update.hasTimestamp());
      Key signedKey = signedEntry.getKey();

      if (update.hasTimestamp()) {
        signedMutation.put(signedKey.getColumnFamily(), signedKey.getColumnQualifier(), signedKey.getColumnVisibilityParsed(), signedKey.getTimestamp(),
            signedEntry.getValue());
      } else {
        signedMutation.put(signedKey.getColumnFamily(), signedKey.getColumnQualifier(), signedKey.getColumnVisibilityParsed(), signedEntry.getValue());
      }
    }
  }

  // Write the signed mutations.
  if (signatureTableWriter != null) {
    tableWriter.addMutation(mutation);
    signatureTableWriter.addMutation(signedMutation);
  } else {
    tableWriter.addMutation(signedMutation);
  }
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
@Test
public void deleteTest() throws Exception {
  when(mockConnector.createBatchWriter(TEST_TABLE, null)).thenReturn(mockWriter);
  BatchWriter writer = new SignedBatchWriter(mockConnector, TEST_TABLE, null, getConfig("config1.ini"), aliceKeyContainers.get(ValueSigner.RSA_PSS));

  Mutation mutation = new Mutation("row".getBytes());
  mutation.putDelete("colF".getBytes(), "colQ".getBytes());
  mutation.putDelete("colF".getBytes(), "colQ".getBytes(), 0L);
  writer.addMutation(mutation);

  verify(mockWriter).addMutation(captor.capture());
  verify(mockSignatureWriter, never()).addMutation(any());

  List<Mutation> mutations = captor.getAllValues();
  assertThat("only a single mutation", mutations, iterableWithSize(1));

  Mutation signed = mutations.get(0);
  assertThat("row is unchanged", signed.getRow(), equalTo("row".getBytes()));

  List<ColumnUpdate> updates = signed.getUpdates();
  assertThat("has 2 updates", updates, hasSize(2));

  ColumnUpdate update = updates.get(0);
  assertThat("is delete operation", update.isDeleted(), is(true));
  assertThat("column family is unchanged", update.getColumnFamily(), equalTo("colF".getBytes()));
  assertThat("column qualifier is unchanged", update.getColumnQualifier(), equalTo("colQ".getBytes()));
  assertThat("timestamp is not set", update.hasTimestamp(), is(false));

  update = updates.get(1);
  assertThat("is delete operation", update.isDeleted(), is(true));
  assertThat("column family is unchanged", update.getColumnFamily(), equalTo("colF".getBytes()));
  assertThat("column qualifier is unchanged", update.getColumnQualifier(), equalTo("colQ".getBytes()));
  assertThat("timestamp is set", update.hasTimestamp(), is(true));
  assertThat("timestamp is correct", update.getTimestamp(), is(0L));
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
@Test
public void deleteColVisTest() throws Exception {
  when(mockConnector.createBatchWriter(TEST_TABLE, null)).thenReturn(mockWriter);
  BatchWriter writer = new SignedBatchWriter(mockConnector, TEST_TABLE, null, getConfig("config2.ini"), aliceKeyContainers.get(ValueSigner.RSA_PSS));

  Mutation mutation = new Mutation("row".getBytes());
  mutation.putDelete("colF1".getBytes(), "colQ".getBytes());
  mutation.putDelete("colF1".getBytes(), "colQ".getBytes(), 0L);

  try {
    writer.addMutation(mutation);
    fail("signed deletes are not allowed");
  } catch (IllegalArgumentException e) { /* expected */}
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
@Test
public void deleteTest() throws Exception {
  when(mockConnector.createBatchWriter(TEST_TABLE, null)).thenReturn(mockWriter);
  BatchWriter writer = new EncryptedBatchWriter(mockConnector, TEST_TABLE, null, getConfig("encrypt-entry.ini"), KEYS);

  Mutation mutation = new Mutation("row".getBytes());
  mutation.putDelete("colF1".getBytes(), "colQ".getBytes());

  try {
    writer.addMutation(mutation);
    fail("encrypted deletes are not allowed on non-deterministically encrypted data");
  } catch (IllegalArgumentException e) { /* expected */}
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
@Test
public void deleteDeterministicTest() throws Exception {
  when(mockConnector.createBatchWriter(TEST_TABLE, null)).thenReturn(mockWriter);
  BatchWriter writer = new EncryptedBatchWriter(mockConnector, TEST_TABLE, null, getConfig("deterministic.ini"), KEYS);

  Mutation mutation = new Mutation("row".getBytes());
  mutation.putDelete("colF1".getBytes(), "colQ".getBytes());
  mutation.putDelete("colF2".getBytes(), "colQ".getBytes(), 0);
  writer.addMutation(mutation);

  verify(mockWriter, times(4)).addMutation(captor.capture());
  Iterable<Mutation> mutations = captor.getAllValues();
  assertThat("should have 4 mutations", mutations, iterableWithSize(4));
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
private void createEntries(Opts opts) throws Exception {
  if (opts.createEntries || opts.deleteEntries) {
    BatchWriterConfig cfg = new BatchWriterConfig();
    cfg.setDurability(opts.durability);
    BatchWriter writer = conn.createBatchWriter(opts.getTableName(), cfg);
    ColumnVisibility cv = new ColumnVisibility(opts.auths.toString().replace(',', '|'));

    Text cf = new Text("datatypes");
    Text cq = new Text("xml");
    byte[] row = {'h', 'e', 'l', 'l', 'o', '\0'};
    byte[] value = {'w', 'o', 'r', 'l', 'd', '\0'};

    for (int i = 0; i < 10; i++) {
      row[row.length - 1] = (byte) i;
      Mutation m = new Mutation(new Text(row));
      if (opts.deleteEntries) {
        m.putDelete(cf, cq, cv);
      }
      if (opts.createEntries) {
        value[value.length - 1] = (byte) i;
        m.put(cf, cq, cv, new Value(value));
      }
      writer.addMutation(m);
    }
    writer.close();
  }
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
/**
 * Generates Accumulo mutations from a Transaction log. Used to Replicate Fluo table to Accumulo.
 *
 * @param txLog Transaction log
 * @param seq Export sequence number
 * @param consumer generated mutations will be output to this consumer
 */
public static void generateMutations(long seq, TxLog txLog, Consumer<Mutation> consumer) {
  Map<Bytes, Mutation> mutationMap = new HashMap<>();
  for (LogEntry le : txLog.getLogEntries()) {
    LogEntry.Operation op = le.getOp();
    Column col = le.getColumn();
    byte[] cf = col.getFamily().toArray();
    byte[] cq = col.getQualifier().toArray();
    byte[] cv = col.getVisibility().toArray();
    if (op.equals(LogEntry.Operation.DELETE) || op.equals(LogEntry.Operation.SET)) {
      Mutation m = mutationMap.computeIfAbsent(le.getRow(), k -> new Mutation(k.toArray()));
      if (op.equals(LogEntry.Operation.DELETE)) {
        if (col.isVisibilitySet()) {
          m.putDelete(cf, cq, new ColumnVisibility(cv), seq);
        } else {
          m.putDelete(cf, cq, seq);
        }
      } else {
        if (col.isVisibilitySet()) {
          m.put(cf, cq, new ColumnVisibility(cv), seq, le.getValue().toArray());
        } else {
          m.put(cf, cq, seq, le.getValue().toArray());
        }
      }
    }
  }
  mutationMap.values().forEach(consumer);
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
@Override
public void deleteEdge(Edge edge, Authorizations authorizations) {
    checkNotNull(edge);
    Span trace = Trace.start("deleteEdge");
    trace.data("edgeId", edge.getId());
    try {
        getSearchIndex().deleteElement(this, edge, authorizations);

        ColumnVisibility visibility = visibilityToAccumuloVisibility(edge.getVisibility());

        Mutation outMutation = new Mutation(edge.getVertexId(Direction.OUT));
        outMutation.putDelete(AccumuloVertex.CF_OUT_EDGE, new Text(edge.getId()), visibility);

        Mutation inMutation = new Mutation(edge.getVertexId(Direction.IN));
        inMutation.putDelete(AccumuloVertex.CF_IN_EDGE, new Text(edge.getId()), visibility);

        addMutations(VertexiumObjectType.VERTEX, outMutation, inMutation);

        deleteAllExtendedDataForElement(edge, authorizations);

        // Deletes everything else related to edge.
        addMutations(VertexiumObjectType.EDGE, getDeleteRowMutation(edge.getId()));

        if (hasEventListeners()) {
            queueEvent(new DeleteEdgeEvent(this, edge));
        }
    } finally {
        trace.stop();
    }
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
private void performDelete(Delete delete) throws TableNotFoundException, MutationsRejectedException, TranslatorException {
	
	if (delete.getParameterValues() != null) {
		throw new TranslatorException(AccumuloPlugin.Event.TEIID19005, AccumuloPlugin.Util.gs(AccumuloPlugin.Event.TEIID19005));			
	}
	
	Table table = delete.getTable().getMetadataObject();
	AccumuloQueryVisitor visitor = new AccumuloQueryVisitor(this.aef);
	visitor.visitNode(delete.getWhere());
	if (!visitor.exceptions.isEmpty()) {
		throw visitor.exceptions.get(0);
	}
	
	/*
	// To get the update count I am taking longer route..
	Connector connector = this.connection.getInstance();
	BatchDeleter deleter = connector.createBatchDeleter(SQLStringVisitor.getRecordName(table), auths, this.aef.getQueryThreadsCount(), new BatchWriterConfig());	        	
	deleter.setRanges(visitor.getRanges());
	deleter.delete();
	deleter.close();
	*/
	
	Text prevRow = null;
	Connector connector = this.connection.getInstance();
	BatchWriter writer = createBatchWriter(table, connector);
	Iterator<Entry<Key,Value>> results = AccumuloQueryExecution.runQuery(this.aef, this.connection.getInstance(), this.connection.getAuthorizations(), visitor.getRanges(), table, null);
	while (results.hasNext()) {
		Key key = results.next().getKey();
		Text rowId = key.getRow();

		if (prevRow == null || !prevRow.equals(rowId)) {
			this.updateCount++;
		}
		prevRow = rowId;
		Mutation mutation = new Mutation(rowId);
		mutation.putDelete(key.getColumnFamily(), key.getColumnQualifier());
		writer.addMutation(mutation);
	}
	writer.close();
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
private Mutation createMutationForEdgeBuilder(AccumuloGraph graph, EdgeBuilderBase edgeBuilder, ColumnVisibility edgeColumnVisibility, long timestamp) {
    String edgeRowKey = edgeBuilder.getElementId();
    Mutation m = new Mutation(edgeRowKey);
    String edgeLabel = edgeBuilder.getLabel();
    if (edgeBuilder.getNewEdgeLabel() != null) {
        edgeLabel = edgeBuilder.getNewEdgeLabel();
        m.putDelete(AccumuloEdge.CF_SIGNAL, new Text(edgeBuilder.getLabel()), edgeColumnVisibility, currentTimeMillis());
    }
    m.put(AccumuloEdge.CF_SIGNAL, new Text(edgeLabel), edgeColumnVisibility, timestamp, ElementMutationBuilder.EMPTY_VALUE);
    m.put(AccumuloEdge.CF_OUT_VERTEX, new Text(edgeBuilder.getOutVertexId()), edgeColumnVisibility, timestamp, ElementMutationBuilder.EMPTY_VALUE);
    m.put(AccumuloEdge.CF_IN_VERTEX, new Text(edgeBuilder.getInVertexId()), edgeColumnVisibility, timestamp, ElementMutationBuilder.EMPTY_VALUE);
    createMutationForElementBuilder(graph, edgeBuilder, edgeRowKey, m);
    return m;
}
 

import org.apache.accumulo.core.data.Mutation; //導入方法依賴的package包/類
private Mutation createAlterEdgeLabelMutation(Edge edge, String newEdgeLabel, ColumnVisibility edgeColumnVisibility) {
    String edgeRowKey = edge.getId();
    Mutation m = new Mutation(edgeRowKey);
    m.putDelete(AccumuloEdge.CF_SIGNAL, new Text(edge.getLabel()), edgeColumnVisibility, currentTimeMillis());
    m.put(AccumuloEdge.CF_SIGNAL, new Text(newEdgeLabel), edgeColumnVisibility, currentTimeMillis(), ElementMutationBuilder.EMPTY_VALUE);
    return m;
}