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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.client;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.NavigableMap;
import java.util.Optional;
import java.util.TreeMap;
import java.util.UUID;
import java.util.stream.Collectors;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellScannable;
import org.apache.hadoop.hbase.CellScanner;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.ExtendedCell;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.IndividualBytesFieldCell;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.PrivateCellUtil;
import org.apache.hadoop.hbase.RawCell;
import org.apache.hadoop.hbase.Tag;
import org.apache.hadoop.hbase.exceptions.DeserializationException;
import org.apache.hadoop.hbase.io.HeapSize;
import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
import org.apache.hadoop.hbase.protobuf.generated.ClientProtos;
import org.apache.hadoop.hbase.security.access.AccessControlConstants;
import org.apache.hadoop.hbase.security.access.AccessControlUtil;
import org.apache.hadoop.hbase.security.access.Permission;
import org.apache.hadoop.hbase.security.visibility.CellVisibility;
import org.apache.hadoop.hbase.security.visibility.VisibilityConstants;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.ClassSize;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;
import org.apache.hbase.thirdparty.com.google.common.collect.ArrayListMultimap;
import org.apache.hbase.thirdparty.com.google.common.collect.ListMultimap;
import org.apache.hbase.thirdparty.com.google.common.io.ByteArrayDataInput;
import org.apache.hbase.thirdparty.com.google.common.io.ByteArrayDataOutput;
import org.apache.hbase.thirdparty.com.google.common.io.ByteStreams;
@InterfaceAudience.Public
public abstract class Mutation extends OperationWithAttributes implements Row, CellScannable,
HeapSize {
public static final long MUTATION_OVERHEAD = ClassSize.align(
// This
ClassSize.OBJECT +
// row + OperationWithAttributes.attributes
2 * ClassSize.REFERENCE +
// Timestamp
1 * Bytes.SIZEOF_LONG +
// durability
ClassSize.REFERENCE +
// familyMap
ClassSize.REFERENCE +
// familyMap
ClassSize.TREEMAP +
// priority
ClassSize.INTEGER
);
/**
* The attribute for storing the list of clusters that have consumed the change.
*/
private static final String CONSUMED_CLUSTER_IDS = "_cs.id";
/**
* The attribute for storing TTL for the result of the mutation.
*/
private static final String OP_ATTRIBUTE_TTL = "_ttl";
private static final String RETURN_RESULTS = "_rr_";
// TODO: row should be final
protected byte [] row = null;
protected long ts = HConstants.LATEST_TIMESTAMP;
protected Durability durability = Durability.USE_DEFAULT;
// TODO: familyMap should be final
// A Map sorted by column family.
protected NavigableMap> familyMap;
/**
* empty construction.
* We need this empty construction to keep binary compatibility.
*/
protected Mutation() {
this.familyMap = new TreeMap<>(Bytes.BYTES_COMPARATOR);
}
protected Mutation(Mutation clone) {
super(clone);
this.row = clone.getRow();
this.ts = clone.getTimestamp();
this.familyMap = clone.getFamilyCellMap().entrySet().stream().
collect(Collectors.toMap(e -> e.getKey(), e -> new ArrayList<>(e.getValue()), (k, v) -> {
throw new RuntimeException("collisions!!!");
}, () -> new TreeMap<>(Bytes.BYTES_COMPARATOR)));
}
/**
* Construct the mutation with user defined data.
* @param row row. CAN'T be null
* @param ts timestamp
* @param familyMap the map to collect all cells internally. CAN'T be null
*/
protected Mutation(byte[] row, long ts, NavigableMap> familyMap) {
this.row = Preconditions.checkNotNull(row);
if (row.length == 0) {
throw new IllegalArgumentException("Row can't be empty");
}
this.ts = ts;
this.familyMap = Preconditions.checkNotNull(familyMap);
}
@Override
public CellScanner cellScanner() {
return CellUtil.createCellScanner(getFamilyCellMap());
}
/**
* Creates an empty list if one doesn't exist for the given column family
* or else it returns the associated list of Cell objects.
*
* @param family column family
* @return a list of Cell objects, returns an empty list if one doesn't exist.
*/
List getCellList(byte[] family) {
List list = this.familyMap.get(family);
if (list == null) {
list = new ArrayList<>();
this.familyMap.put(family, list);
}
return list;
}
/*
* Create a KeyValue with this objects row key and the Put identifier.
*
* @return a KeyValue with this objects row key and the Put identifier.
*/
KeyValue createPutKeyValue(byte[] family, byte[] qualifier, long ts, byte[] value) {
return new KeyValue(this.row, family, qualifier, ts, KeyValue.Type.Put, value);
}
/**
* Create a KeyValue with this objects row key and the Put identifier.
* @param family
* @param qualifier
* @param ts
* @param value
* @param tags - Specify the Tags as an Array
* @return a KeyValue with this objects row key and the Put identifier.
*/
KeyValue createPutKeyValue(byte[] family, byte[] qualifier, long ts, byte[] value, Tag[] tags) {
KeyValue kvWithTag = new KeyValue(this.row, family, qualifier, ts, value, tags);
return kvWithTag;
}
/*
* Create a KeyValue with this objects row key and the Put identifier.
*
* @return a KeyValue with this objects row key and the Put identifier.
*/
KeyValue createPutKeyValue(byte[] family, ByteBuffer qualifier, long ts, ByteBuffer value,
Tag[] tags) {
return new KeyValue(this.row, 0, this.row == null ? 0 : this.row.length,
family, 0, family == null ? 0 : family.length,
qualifier, ts, KeyValue.Type.Put, value, tags != null ? Arrays.asList(tags) : null);
}
/**
* Compile the column family (i.e. schema) information
* into a Map. Useful for parsing and aggregation by debugging,
* logging, and administration tools.
* @return Map
*/
@Override
public Map getFingerprint() {
Map map = new HashMap<>();
List families = new ArrayList<>(this.familyMap.entrySet().size());
// ideally, we would also include table information, but that information
// is not stored in each Operation instance.
map.put("families", families);
for (Map.Entry> entry : this.familyMap.entrySet()) {
families.add(Bytes.toStringBinary(entry.getKey()));
}
return map;
}
/**
* Compile the details beyond the scope of getFingerprint (row, columns,
* timestamps, etc.) into a Map along with the fingerprinted information.
* Useful for debugging, logging, and administration tools.
* @param maxCols a limit on the number of columns output prior to truncation
* @return Map
*/
@Override
public Map toMap(int maxCols) {
// we start with the fingerprint map and build on top of it.
Map map = getFingerprint();
// replace the fingerprint's simple list of families with a
// map from column families to lists of qualifiers and kv details
Map>> columns = new HashMap<>();
map.put("families", columns);
map.put("row", Bytes.toStringBinary(this.row));
int colCount = 0;
// iterate through all column families affected
for (Map.Entry> entry : this.familyMap.entrySet()) {
// map from this family to details for each cell affected within the family
List