org.apache.flink.graph.types.valuearray

Class NullValueArrayComparator

java.lang.Object

org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

org.apache.flink.graph.types.valuearray.NullValueArrayComparator

All Implemented Interfaces:

Serializable

@Internal
public class NullValueArrayComparator
extends org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

Specialized comparator for NullValueArray based on CopyableValueComparator.

This can be used for grouping keys but not for sorting keys.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NullValueArrayComparator(boolean ascending)

Method Summary

Modifier and Type	Method and Description
int	compare(NullValueArray first, NullValueArray second)
int	compareSerialized(org.apache.flink.core.memory.DataInputView firstSource, org.apache.flink.core.memory.DataInputView secondSource)
int	compareToReference(org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray> referencedComparator)
org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>	duplicate()
boolean	equalToReference(NullValueArray candidate)
int	extractKeys(Object record, Object[] target, int index)
org.apache.flink.api.common.typeutils.TypeComparator<?>[]	getFlatComparators()
int	getNormalizeKeyLen()
int	hash(NullValueArray record)
boolean	invertNormalizedKey()
boolean	isNormalizedKeyPrefixOnly(int keyBytes)
void	putNormalizedKey(NullValueArray record, org.apache.flink.core.memory.MemorySegment target, int offset, int numBytes)
NullValueArray	readWithKeyDenormalization(NullValueArray reuse, org.apache.flink.core.memory.DataInputView source)
void	setReference(NullValueArray toCompare)
boolean	supportsNormalizedKey()
boolean	supportsSerializationWithKeyNormalization()
void	writeWithKeyNormalization(NullValueArray record, org.apache.flink.core.memory.DataOutputView target)

Methods inherited from class org.apache.flink.api.common.typeutils.TypeComparator

compareAgainstReference, supportsCompareAgainstReference

Methods inherited from class java.lang.Object

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

Constructor Detail

NullValueArrayComparator

public NullValueArrayComparator(boolean ascending)

Method Detail

hash

public int hash(NullValueArray record)

Specified by:

hash in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

setReference

public void setReference(NullValueArray toCompare)

Specified by:

setReference in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

equalToReference

public boolean equalToReference(NullValueArray candidate)

Specified by:

equalToReference in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

compareToReference

public int compareToReference(org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray> referencedComparator)

Specified by:

compareToReference in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

compare

public int compare(NullValueArray first,
                   NullValueArray second)

Specified by:

compare in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

compareSerialized

public int compareSerialized(org.apache.flink.core.memory.DataInputView firstSource,
                             org.apache.flink.core.memory.DataInputView secondSource)
                      throws IOException

Specified by:

compareSerialized in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

Throws:

IOException

supportsNormalizedKey

public boolean supportsNormalizedKey()

Specified by:

supportsNormalizedKey in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

getNormalizeKeyLen

public int getNormalizeKeyLen()

Specified by:

getNormalizeKeyLen in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

isNormalizedKeyPrefixOnly

public boolean isNormalizedKeyPrefixOnly(int keyBytes)

Specified by:

isNormalizedKeyPrefixOnly in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

putNormalizedKey

public void putNormalizedKey(NullValueArray record,
                             org.apache.flink.core.memory.MemorySegment target,
                             int offset,
                             int numBytes)

Specified by:

putNormalizedKey in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

invertNormalizedKey

public boolean invertNormalizedKey()

Specified by:

invertNormalizedKey in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

duplicate

public org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray> duplicate()

Specified by:

duplicate in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

extractKeys

public int extractKeys(Object record,
                       Object[] target,
                       int index)

Specified by:

extractKeys in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

getFlatComparators

public org.apache.flink.api.common.typeutils.TypeComparator<?>[] getFlatComparators()

Specified by:

getFlatComparators in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

supportsSerializationWithKeyNormalization

public boolean supportsSerializationWithKeyNormalization()

Specified by:

supportsSerializationWithKeyNormalization in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

writeWithKeyNormalization

public void writeWithKeyNormalization(NullValueArray record,
                                      org.apache.flink.core.memory.DataOutputView target)
                               throws IOException

Specified by:

writeWithKeyNormalization in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

Throws:

IOException

readWithKeyDenormalization

public NullValueArray readWithKeyDenormalization(NullValueArray reuse,
                                                 org.apache.flink.core.memory.DataInputView source)
                                          throws IOException

Specified by:

readWithKeyDenormalization in class org.apache.flink.api.common.typeutils.TypeComparator<NullValueArray>

Throws:

IOException