com.mapr.db.indexrowkeyfmt

Class IndexRowKeyEncoder

java.lang.Object

com.mapr.db.indexrowkeyfmt.IndexRowKeyEncoder

public class IndexRowKeyEncoder
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static Null	NULL_VALUE Public reusable instance of Null.
static java.util.Comparator<org.ojai.Value>	VALUE_COMPARATOR

Constructor Summary

Constructors

Constructor and Description
IndexRowKeyEncoder()

Method Summary

Modifier and Type	Method and Description
static java.nio.ByteBuffer	encodeComponent(KeyValue value, int version, boolean descendingOrder, boolean missingAndNullFirst)
static RowkeyRange	getErrRowKeyRange(boolean hashIndex)
int	getEstimatedEncodingSize()
static java.util.List<RowkeyRange>	getHashedRowKeyRanges(java.util.List<RowkeyRange> lrr, int numPartitions)
int	getRowKey(byte[] buf)
java.util.List<RowkeyRange>	getRowKeyRange(com.mapr.fs.proto.Dbfilters.CompareOpProto op, KeyValue value, int indexedFieldIdx)
java.util.List<RowkeyRange>	getRowKeyRangeForPrefixMatch(byte[] value, int indexedFieldIdx)
int	getVersion()
void	init(int version, boolean[] descendingOrder)
void	init(int version, boolean[] descendingOrder, boolean missingAndNullFirst)
void	init(int version, boolean[] descendingOrder, boolean missingAndNullFirst, boolean isHashedIndex, int numHashPartitions)
static int	memcmp(byte[] b1, byte[] b2)
void	resetComponents()
void	resetComponents(boolean preservePrimaryKeySetting)
IndexRowKeyEncoder	setComponent(int idx)
IndexRowKeyEncoder	setComponent(int idx, boolean componentValue)
IndexRowKeyEncoder	setComponent(int idx, byte componentValue)
IndexRowKeyEncoder	setComponent(int idx, byte[] componentValue)
IndexRowKeyEncoder	setComponent(int idx, byte[] componentValue, int componentValueSize)
IndexRowKeyEncoder	setComponent(int idx, double componentValue)
IndexRowKeyEncoder	setComponent(int idx, float componentValue)
IndexRowKeyEncoder	setComponent(int idx, int componentValue)
IndexRowKeyEncoder	setComponent(int idx, long componentValue)
IndexRowKeyEncoder	setComponent(int idx, Null componentValue)
IndexRowKeyEncoder	setComponent(int idx, OArray componentValue)
IndexRowKeyEncoder	setComponent(int idx, org.ojai.types.ODate componentValue)
IndexRowKeyEncoder	setComponent(int idx, OMap componentValue)
IndexRowKeyEncoder	setComponent(int idx, org.ojai.types.OTime componentValue)
IndexRowKeyEncoder	setComponent(int idx, org.ojai.types.OTimestamp componentValue)
IndexRowKeyEncoder	setComponent(int idx, short componentValue)
IndexRowKeyEncoder	setComponent(int idx, org.ojai.Value componentValue) Generic component setter, just a switch on the value type to call the appropriate overload.
IndexRowKeyEncoder	setError(Error e)
IndexRowKeyEncoder	setPrimaryKey(byte[] primaryKey) Sets the primary table's row-key for the index row
IndexRowKeyEncoder	setPrimaryKey(java.lang.String primaryKey) Sets the primary table's row-key for the index row

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

VALUE_COMPARATOR

public static final java.util.Comparator<org.ojai.Value> VALUE_COMPARATOR

NULL_VALUE

public static final Null NULL_VALUE

Public reusable instance of Null.

Constructor Detail

IndexRowKeyEncoder

public IndexRowKeyEncoder()

Method Detail

init

public void init(int version,
                 boolean[] descendingOrder,
                 boolean missingAndNullFirst,
                 boolean isHashedIndex,
                 int numHashPartitions)

init

public void init(int version,
                 boolean[] descendingOrder,
                 boolean missingAndNullFirst)

init

public void init(int version,
                 boolean[] descendingOrder)

getVersion

public int getVersion()

resetComponents

public void resetComponents()

resetComponents

public void resetComponents(boolean preservePrimaryKeySetting)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       org.ojai.Value componentValue)

Generic component setter, just a switch on the value type to call the appropriate overload.

Parameters:

idx - component index

componentValue - the value

Returns:

this, for use in fluent-style code

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       Null componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       boolean componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       byte[] componentValue,
                                       int componentValueSize)

setComponent

public IndexRowKeyEncoder setComponent(int idx)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       byte componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       short componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       int componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       long componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       float componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       double componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       byte[] componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       org.ojai.types.OTime componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       org.ojai.types.OTimestamp componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       org.ojai.types.ODate componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       OArray componentValue)

setComponent

public IndexRowKeyEncoder setComponent(int idx,
                                       OMap componentValue)

setError

public IndexRowKeyEncoder setError(Error e)

getEstimatedEncodingSize

public int getEstimatedEncodingSize()

setPrimaryKey

public IndexRowKeyEncoder setPrimaryKey(byte[] primaryKey)

Sets the primary table's row-key for the index row

Parameters:

rowKey - Primary table's row-key

Returns:

this for chaining

setPrimaryKey

public IndexRowKeyEncoder setPrimaryKey(java.lang.String primaryKey)

Sets the primary table's row-key for the index row

Parameters:

rowKey - Primary table's row-key

Returns:

this for chaining

getRowKey

public int getRowKey(byte[] buf)
              throws java.lang.UnsupportedOperationException

Throws:

java.lang.UnsupportedOperationException

encodeComponent

public static java.nio.ByteBuffer encodeComponent(KeyValue value,
                                                  int version,
                                                  boolean descendingOrder,
                                                  boolean missingAndNullFirst)

memcmp

public static int memcmp(byte[] b1,
                         byte[] b2)

getRowKeyRange

public java.util.List<RowkeyRange> getRowKeyRange(com.mapr.fs.proto.Dbfilters.CompareOpProto op,
                                                  KeyValue value,
                                                  int indexedFieldIdx)

getRowKeyRangeForPrefixMatch

public java.util.List<RowkeyRange> getRowKeyRangeForPrefixMatch(byte[] value,
                                                                int indexedFieldIdx)

getErrRowKeyRange

public static RowkeyRange getErrRowKeyRange(boolean hashIndex)

getHashedRowKeyRanges

public static java.util.List<RowkeyRange> getHashedRowKeyRanges(java.util.List<RowkeyRange> lrr,
                                                                int numPartitions)