Mutation (Apache HBase 2.4.0 API)

java.lang.Object
- org.apache.hadoop.hbase.client.Operation
- - org.apache.hadoop.hbase.client.OperationWithAttributes
  - - org.apache.hadoop.hbase.client.Mutation

All Implemented Interfaces:: Comparable<Row>, CellScannable, Attributes, Row, HeapSize

Direct Known Subclasses:: Append, Delete, Increment, Put

@InterfaceAudience.Public
public abstract class Mutation
extends OperationWithAttributes
implements Row, CellScannable, HeapSize

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

private static class Mutation.CellWrapper

Nested Classes
Modifier and Type	Class and Description
`private static class`	`Mutation.CellWrapper`

Field Summary

Fields
Modifier and Type	Field and Description
`private static String`	`CONSUMED_CLUSTER_IDS` The attribute for storing the list of clusters that have consumed the change.
`protected Durability`	`durability`
`protected NavigableMap<byte[],List<Cell>>`	`familyMap`
`static long`	`MUTATION_OVERHEAD`
`private static String`	`OP_ATTRIBUTE_TTL` The attribute for storing TTL for the result of the mutation.
`private static String`	`RETURN_RESULTS`
`protected byte[]`	`row`
`protected long`	`ts`

Fields inherited from class org.apache.hadoop.hbase.client.OperationWithAttributes
ID_ATRIBUTE

Fields inherited from interface org.apache.hadoop.hbase.client.Row
COMPARATOR

Constructor Summary

Constructors
Modifier	Constructor and Description
`protected`	`Mutation()` empty construction.
`protected`	`Mutation(byte[] row, long ts, NavigableMap<byte[],List<Cell>> familyMap)` Construct the mutation with user defined data.
`protected`	`Mutation(Mutation clone)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`(package private) Mutation`	`add(Cell cell)`
`CellScanner`	`cellScanner()`
`private static Map<String,Object>`	`cellToStringMap(Cell c)`
`(package private) static byte[]`	`checkRow(byte[] row)`
`(package private) static byte[]`	`checkRow(byte[] row, int offset, int length)`
`(package private) static void`	`checkRow(ByteBuffer row)`
`int`	`compareTo(Row d)` Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0. Use `Row.COMPARATOR` instead
`(package private) KeyValue`	`createPutKeyValue(byte[] family, byte[] qualifier, long ts, byte[] value)`
`(package private) KeyValue`	`createPutKeyValue(byte[] family, byte[] qualifier, long ts, byte[] value, Tag[] tags)` Create a KeyValue with this objects row key and the Put identifier.
`(package private) KeyValue`	`createPutKeyValue(byte[] family, ByteBuffer qualifier, long ts, ByteBuffer value, Tag[] tags)`
`protected long`	`extraHeapSize()` Subclasses should override this method to add the heap size of their own fields.
`List<Cell>`	`get(byte[] family, byte[] qualifier)` Returns a list of all KeyValue objects with matching column family and qualifier.
`byte[]`	`getACL()`
`(package private) List<Cell>`	`getCellList(byte[] family)` Creates an empty list if one doesn't exist for the given column family or else it returns the associated list of Cell objects.
`CellVisibility`	`getCellVisibility()`
`List<UUID>`	`getClusterIds()`
`Durability`	`getDurability()` Get the current durability
`NavigableMap<byte[],List<Cell>>`	`getFamilyCellMap()` Method for retrieving the put's familyMap
`Map<String,Object>`	`getFingerprint()` Compile the column family (i.e.
`byte[]`	`getRow()` Method for retrieving the delete's row
`long`	`getTimestamp()` Method for retrieving the timestamp.
`long`	`getTimeStamp()` Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0. Use `getTimestamp()` instead
`long`	`getTTL()` Return the TTL requested for the result of the mutation, in milliseconds.
`boolean`	`has(byte[] family, byte[] qualifier)` A convenience method to determine if this object's familyMap contains a value assigned to the given family & qualifier.
`boolean`	`has(byte[] family, byte[] qualifier, byte[] value)` A convenience method to determine if this object's familyMap contains a value assigned to the given family, qualifier and timestamp.
`boolean`	`has(byte[] family, byte[] qualifier, long ts)` A convenience method to determine if this object's familyMap contains a value assigned to the given family, qualifier and timestamp.
`boolean`	`has(byte[] family, byte[] qualifier, long ts, byte[] value)` A convenience method to determine if this object's familyMap contains the given value assigned to the given family, qualifier and timestamp.
`protected boolean`	`has(byte[] family, byte[] qualifier, long ts, byte[] value, boolean ignoreTS, boolean ignoreValue)`
`long`	`heapSize()`
`boolean`	`isEmpty()` Method to check if the familyMap is empty
`protected boolean`	`isReturnResults()`
`int`	`numFamilies()`
`Mutation`	`setACL(Map<String,Permission> perms)`
`Mutation`	`setACL(String user, Permission perms)`
`Mutation`	`setCellVisibility(CellVisibility expression)` Sets the visibility expression associated with cells in this Mutation.
`Mutation`	`setClusterIds(List<UUID> clusterIds)` Marks that the clusters with the given clusterIds have consumed the mutation
`Mutation`	`setDurability(Durability d)` Set the durability for this mutation
`Mutation`	`setFamilyCellMap(NavigableMap<byte[],List<Cell>> map)` Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0. Use `Mutation(byte[], long, NavigableMap)` instead
`protected Mutation`	`setReturnResults(boolean returnResults)`
`Mutation`	`setTimestamp(long timestamp)` Set the timestamp of the delete.
`Mutation`	`setTTL(long ttl)` Set the TTL desired for the result of the mutation, in milliseconds.
`int`	`size()` Number of KeyValues carried by this Mutation.
`private static CellVisibility`	`toCellVisibility(byte[] protoBytes)` Convert a protocol buffer CellVisibility bytes to a client CellVisibility
`(package private) static org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CellVisibility`	`toCellVisibility(CellVisibility cellVisibility)` Create a protocol buffer CellVisibility based on a client CellVisibility.
`private static CellVisibility`	`toCellVisibility(org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CellVisibility proto)` Convert a protocol buffer CellVisibility to a client CellVisibility
`Map<String,Object>`	`toMap(int maxCols)` Compile the details beyond the scope of getFingerprint (row, columns, timestamps, etc.) into a Map along with the fingerprinted information.

Methods inherited from class org.apache.hadoop.hbase.client.OperationWithAttributes
getAttribute, getAttributeSize, getAttributesMap, getId, getPriority, setAttribute, setId, setPriority

Methods inherited from class org.apache.hadoop.hbase.client.Operation
toJSON, toJSON, toMap, toString, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - MUTATION_OVERHEAD
```
public static final long MUTATION_OVERHEAD
```
  - CONSUMED_CLUSTER_IDS
```
private static final String CONSUMED_CLUSTER_IDS
```
    The attribute for storing the list of clusters that have consumed the change.
    
    See Also:
    
    Constant Field Values
  - OP_ATTRIBUTE_TTL
```
private static final String OP_ATTRIBUTE_TTL
```
    The attribute for storing TTL for the result of the mutation.
    
    See Also:
    
    Constant Field Values
  - RETURN_RESULTS
```
private static final String RETURN_RESULTS
```
    See Also:
    
    Constant Field Values
  - row
```
protected byte[] row
```
  - ts
```
protected long ts
```
  - durability
```
protected Durability durability
```
  - familyMap
```
protected NavigableMap<byte[],List<Cell>> familyMap
```
- Constructor Detail
  - Mutation
```
protected Mutation()
```
    empty construction. We need this empty construction to keep binary compatibility.
  - Mutation
```
protected Mutation(Mutation clone)
```
  - Mutation
```
protected Mutation(byte[] row,
                   long ts,
                   NavigableMap<byte[],List<Cell>> familyMap)
```
    Construct the mutation with user defined data.
    
    Parameters:
    
    row - row. CAN'T be null
    
    ts - timestamp
    
    familyMap - the map to collect all cells internally. CAN'T be null
- Method Detail
  - cellScanner
```
public CellScanner cellScanner()
```
    Specified by:
    
    cellScanner in interface CellScannable
    
    Returns:
    
    A CellScanner over the contained Cells
  - getCellList
```
List<Cell> getCellList(byte[] family)
```
    Creates an empty list if one doesn't exist for the given column family or else it returns the associated list of Cell objects.
    
    Parameters:
    
    family - column family
    
    Returns:
    
    a list of Cell objects, returns an empty list if one doesn't exist.
  - createPutKeyValue
```
KeyValue createPutKeyValue(byte[] family,
                           byte[] qualifier,
                           long ts,
                           byte[] value)
```
  - createPutKeyValue
```
KeyValue createPutKeyValue(byte[] family,
                           byte[] qualifier,
                           long ts,
                           byte[] value,
                           Tag[] tags)
```
    Create a KeyValue with this objects row key and the Put identifier.
    
    Parameters:
    
    family -
    
    qualifier -
    
    ts -
    
    value -
    
    tags - - Specify the Tags as an Array
    
    Returns:
    
    a KeyValue with this objects row key and the Put identifier.
  - createPutKeyValue
```
KeyValue createPutKeyValue(byte[] family,
                           ByteBuffer qualifier,
                           long ts,
                           ByteBuffer value,
                           Tag[] tags)
```
  - getFingerprint
```
public Map<String,Object> getFingerprint()
```
    Compile the column family (i.e. schema) information into a Map. Useful for parsing and aggregation by debugging, logging, and administration tools.
    
    Specified by:
    
    getFingerprint in class Operation
    
    Returns:
    
    Map
  - toMap
```
public Map<String,Object> toMap(int maxCols)
```
    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.
    
    Specified by:
    
    toMap in class Operation
    
    Parameters:
    
    maxCols - a limit on the number of columns output prior to truncation
    
    Returns:
    
    Map
  - cellToStringMap
```
private static Map<String,Object> cellToStringMap(Cell c)
```
  - setDurability
```
public Mutation setDurability(Durability d)
```
    Set the durability for this mutation
    
    Parameters:
    
    d -
  - getDurability
```
public Durability getDurability()
```
    Get the current durability
  - getFamilyCellMap
```
public NavigableMap<byte[],List<Cell>> getFamilyCellMap()
```
    Method for retrieving the put's familyMap
    
    Returns:
    
    familyMap
  - setFamilyCellMap
```
@Deprecated
public Mutation setFamilyCellMap(NavigableMap<byte[],List<Cell>> map)
```
    Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0. Use Mutation(byte[], long, NavigableMap) instead
    
    Method for setting the mutation's familyMap
  - isEmpty
```
public boolean isEmpty()
```
    Method to check if the familyMap is empty
    
    Returns:
    
    true if empty, false otherwise
  - getRow
```
public byte[] getRow()
```
    Method for retrieving the delete's row
    
    Specified by:
    
    getRow in interface Row
    
    Returns:
    
    row
  - compareTo
```
@Deprecated
public int compareTo(Row d)
```
    Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0. Use Row.COMPARATOR instead
    
    Specified by:
    
    compareTo in interface Comparable<Row>
    
    Specified by:
    
    compareTo in interface Row
  - getTimeStamp
```
@Deprecated
public long getTimeStamp()
```
    Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0. Use getTimestamp() instead
    
    Method for retrieving the timestamp
    
    Returns:
    
    timestamp
  - getTimestamp
```
public long getTimestamp()
```
    Method for retrieving the timestamp.
    
    Returns:
    
    timestamp
  - setClusterIds
```
public Mutation setClusterIds(List<UUID> clusterIds)
```
    Marks that the clusters with the given clusterIds have consumed the mutation
    
    Parameters:
    
    clusterIds - of the clusters that have consumed the mutation
  - getClusterIds
```
public List<UUID> getClusterIds()
```
    Returns:
    
    the set of clusterIds that have consumed the mutation
  - setCellVisibility
```
public Mutation setCellVisibility(CellVisibility expression)
```
    Sets the visibility expression associated with cells in this Mutation.
    
    Parameters:
    
    expression -
  - getCellVisibility
```
public CellVisibility getCellVisibility()
                                 throws DeserializationException
```
    Returns:
    
    CellVisibility associated with cells in this Mutation.
    
    Throws:
    
    DeserializationException
  - toCellVisibility
```
static org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CellVisibility toCellVisibility(CellVisibility cellVisibility)
```
    Create a protocol buffer CellVisibility based on a client CellVisibility.
    
    Parameters:
    
    cellVisibility -
    
    Returns:
    
    a protocol buffer CellVisibility
  - toCellVisibility
```
private static CellVisibility toCellVisibility(org.apache.hadoop.hbase.protobuf.generated.ClientProtos.CellVisibility proto)
```
    Convert a protocol buffer CellVisibility to a client CellVisibility
    
    Parameters:
    
    proto -
    
    Returns:
    
    the converted client CellVisibility
  - toCellVisibility
```
private static CellVisibility toCellVisibility(byte[] protoBytes)
                                        throws DeserializationException
```
    Convert a protocol buffer CellVisibility bytes to a client CellVisibility
    
    Parameters:
    
    protoBytes -
    
    Returns:
    
    the converted client CellVisibility
    
    Throws:
    
    DeserializationException
  - size
```
public int size()
```
    Number of KeyValues carried by this Mutation.
    
    Returns:
    
    the total number of KeyValues
  - numFamilies
```
public int numFamilies()
```
    Returns:
    
    the number of different families
  - heapSize
```
public long heapSize()
```
    Specified by:
    
    heapSize in interface HeapSize
    
    Returns:
    
    Calculate what Mutation adds to class heap size.
  - getACL
```
public byte[] getACL()
```
    Returns:
    
    The serialized ACL for this operation, or null if none
  - setACL
```
public Mutation setACL(String user,
                       Permission perms)
```
    Parameters:
    
    user - User short name
    
    perms - Permissions for the user
  - setACL
```
public Mutation setACL(Map<String,Permission> perms)
```
    Parameters:
    
    perms - A map of permissions for a user or users
  - getTTL
```
public long getTTL()
```
    Return the TTL requested for the result of the mutation, in milliseconds.
    
    Returns:
    
    the TTL requested for the result of the mutation, in milliseconds, or Long.MAX_VALUE if unset
  - setTTL
```
public Mutation setTTL(long ttl)
```
    Set the TTL desired for the result of the mutation, in milliseconds.
    
    Parameters:
    
    ttl - the TTL desired for the result of the mutation, in milliseconds
    
    Returns:
    
    this
  - isReturnResults
```
@InterfaceAudience.Private
protected boolean isReturnResults()
```
    Returns:
    
    current value for returnResults
  - setReturnResults
```
@InterfaceAudience.Private
protected Mutation setReturnResults(boolean returnResults)
```
  - extraHeapSize
```
protected long extraHeapSize()
```
    Subclasses should override this method to add the heap size of their own fields.
    
    Returns:
    
    the heap size to add (will be aligned).
  - setTimestamp
```
public Mutation setTimestamp(long timestamp)
```
    Set the timestamp of the delete.
  - has
```
public boolean has(byte[] family,
                   byte[] qualifier)
```
    A convenience method to determine if this object's familyMap contains a value assigned to the given family & qualifier. Both given arguments must match the KeyValue object to return true.
    
    Parameters:
    
    family - column family
    
    qualifier - column qualifier
    
    Returns:
    
    returns true if the given family and qualifier already has an existing KeyValue object in the family map.
  - has
```
public boolean has(byte[] family,
                   byte[] qualifier,
                   long ts)
```
    A convenience method to determine if this object's familyMap contains a value assigned to the given family, qualifier and timestamp. All 3 given arguments must match the KeyValue object to return true.
    
    Parameters:
    
    family - column family
    
    qualifier - column qualifier
    
    ts - timestamp
    
    Returns:
    
    returns true if the given family, qualifier and timestamp already has an existing KeyValue object in the family map.
  - has
```
public boolean has(byte[] family,
                   byte[] qualifier,
                   byte[] value)
```
    A convenience method to determine if this object's familyMap contains a value assigned to the given family, qualifier and timestamp. All 3 given arguments must match the KeyValue object to return true.
    
    Parameters:
    
    family - column family
    
    qualifier - column qualifier
    
    value - value to check
    
    Returns:
    
    returns true if the given family, qualifier and value already has an existing KeyValue object in the family map.
  - has
```
public boolean has(byte[] family,
                   byte[] qualifier,
                   long ts,
                   byte[] value)
```
    A convenience method to determine if this object's familyMap contains the given value assigned to the given family, qualifier and timestamp. All 4 given arguments must match the KeyValue object to return true.
    
    Parameters:
    
    family - column family
    
    qualifier - column qualifier
    
    ts - timestamp
    
    value - value to check
    
    Returns:
    
    returns true if the given family, qualifier timestamp and value already has an existing KeyValue object in the family map.
  - get
```
public List<Cell> get(byte[] family,
                      byte[] qualifier)
```
    Returns a list of all KeyValue objects with matching column family and qualifier.
    
    Parameters:
    
    family - column family
    
    qualifier - column qualifier
    
    Returns:
    
    a list of KeyValue objects with the matching family and qualifier, returns an empty list if one doesn't exist for the given family.
  - has
```
protected boolean has(byte[] family,
                      byte[] qualifier,
                      long ts,
                      byte[] value,
                      boolean ignoreTS,
                      boolean ignoreValue)
```
  - checkRow
```
static byte[] checkRow(byte[] row)
```
    Parameters:
    
    row - Row to check
    
    Returns:
    
    row
    
    Throws:
    
    IllegalArgumentException - Thrown if row is empty or null or > HConstants.MAX_ROW_LENGTH
  - checkRow
```
static byte[] checkRow(byte[] row,
                       int offset,
                       int length)
```
    Parameters:
    
    row - Row to check
    
    offset -
    
    length -
    
    Returns:
    
    row
    
    Throws:
    
    IllegalArgumentException - Thrown if row is empty or null or > HConstants.MAX_ROW_LENGTH
  - checkRow
```
static void checkRow(ByteBuffer row)
```
  - add
```
Mutation add(Cell cell)
      throws IOException
```
    Throws:
    
    IOException

Class Mutation

Nested Class Summary

Field Summary

Fields inherited from class org.apache.hadoop.hbase.client.OperationWithAttributes

Fields inherited from interface org.apache.hadoop.hbase.client.Row

Constructor Summary

Method Summary

Methods inherited from class org.apache.hadoop.hbase.client.OperationWithAttributes

Methods inherited from class org.apache.hadoop.hbase.client.Operation

Methods inherited from class java.lang.Object

Field Detail

MUTATION_OVERHEAD

CONSUMED_CLUSTER_IDS

OP_ATTRIBUTE_TTL

RETURN_RESULTS

row

ts

durability

familyMap

Constructor Detail

Mutation

Mutation

Mutation

Method Detail

cellScanner

getCellList

createPutKeyValue

createPutKeyValue

createPutKeyValue

getFingerprint

toMap

cellToStringMap

setDurability

getDurability

getFamilyCellMap

setFamilyCellMap

isEmpty

getRow

compareTo

getTimeStamp

getTimestamp

setClusterIds

getClusterIds

setCellVisibility

getCellVisibility

toCellVisibility

toCellVisibility

toCellVisibility

size

numFamilies

heapSize

getACL

setACL

setACL

getTTL

setTTL

isReturnResults

setReturnResults

extraHeapSize

setTimestamp

has

has

has

has

get

has

checkRow

checkRow

checkRow

add