org.openimaj.hadoop.tools.twitter.token.mode.dfidf

Class TimeFrequencyHolder

java.lang.Object

gnu.trove.impl.hash.THash

gnu.trove.impl.hash.TPrimitiveHash

gnu.trove.impl.hash.TLongHash

gnu.trove.map.hash.TLongObjectHashMap<TimeFrequencyHolder.TimeFrequency>

org.openimaj.hadoop.tools.twitter.token.mode.dfidf.TimeFrequencyHolder

All Implemented Interfaces:

gnu.trove.map.TLongObjectMap<TimeFrequencyHolder.TimeFrequency>, Externalizable, Serializable, ReadableBinary, ReadWriteableBinary, WriteableBinary

public class TimeFrequencyHolder
extends gnu.trove.map.hash.TLongObjectHashMap<TimeFrequencyHolder.TimeFrequency>
implements ReadWriteableBinary

A ReadWriteableBinary TLongObjectHashMap

Author:

Sina Samangooei (ss@ecs.soton.ac.uk)

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TimeFrequencyHolder.TimeFrequency Holds the number of a thing at a moment in time and the total number of that thing seen across all time

Nested classes/interfaces inherited from class gnu.trove.map.hash.TLongObjectHashMap

gnu.trove.map.hash.TLongObjectHashMap.ValueView

Field Summary

Fields inherited from class gnu.trove.map.hash.TLongObjectHashMap

_values, no_entry_key

Fields inherited from class gnu.trove.impl.hash.TLongHash

_set, consumeFreeSlot, no_entry_value

Fields inherited from class gnu.trove.impl.hash.TPrimitiveHash

_states, FREE, FULL, REMOVED

Fields inherited from class gnu.trove.impl.hash.THash

_autoCompactionFactor, _autoCompactRemovesRemaining, _autoCompactTemporaryDisable, _free, _loadFactor, _maxSize, _size, DEFAULT_CAPACITY, DEFAULT_LOAD_FACTOR

Constructor Summary

Constructors

Constructor and Description
TimeFrequencyHolder() default

Method Summary

Modifier and Type	Method and Description
byte[]	binaryHeader() Header for binary input.
void	readBinary(DataInput in) Read internal state from in.
void	recalculateCumulativeFrequencies() For every held TimeFrequencyHolder.TimeFrequency reset TimeFrequencyHolder.TimeFrequency cumulativeFrequency = TimeFrequencyHolder.TimeFrequency periodFrequency and then go through each in key-value order and use TimeFrequency#combine(TimeFrequency) to calculate a cumulative count
String	toString()
void	writeBinary(DataOutput out) Write the content of this as binary to out.

Methods inherited from class gnu.trove.map.hash.TLongObjectHashMap

clear, containsKey, containsValue, equals, forEachEntry, forEachKey, forEachValue, get, getNoEntryKey, hashCode, iterator, keys, keys, keySet, put, putAll, putAll, putIfAbsent, readExternal, rehash, remove, removeAt, retainEntries, setUp, transformValues, valueCollection, values, values, writeExternal

Methods inherited from class gnu.trove.impl.hash.TLongHash

contains, forEach, getNoEntryValue, index, insertKey

Methods inherited from class gnu.trove.impl.hash.TPrimitiveHash

capacity

Methods inherited from class gnu.trove.impl.hash.THash

calculateGrownCapacity, compact, computeMaxSize, computeNextAutoCompactionAmount, ensureCapacity, getAutoCompactionFactor, isEmpty, postInsertHook, reenableAutoCompaction, setAutoCompactionFactor, size, tempDisableAutoCompaction, trimToSize

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface gnu.trove.map.TLongObjectMap

isEmpty, size

Constructor Detail

TimeFrequencyHolder

public TimeFrequencyHolder()

default

Method Detail

recalculateCumulativeFrequencies

public void recalculateCumulativeFrequencies()

For every held TimeFrequencyHolder.TimeFrequency reset TimeFrequencyHolder.TimeFrequency cumulativeFrequency = TimeFrequencyHolder.TimeFrequency periodFrequency and then go through each in key-value order and use TimeFrequency#combine(TimeFrequency) to calculate a cumulative count

toString

public String toString()

Overrides:

toString in class gnu.trove.map.hash.TLongObjectHashMap<TimeFrequencyHolder.TimeFrequency>

readBinary

public void readBinary(DataInput in)
                throws IOException

Description copied from interface: ReadableBinary

Read internal state from in.

Specified by:

readBinary in interface ReadableBinary

Parameters:

in - source to read from.

Throws:

IOException - an error reading input

binaryHeader

public byte[] binaryHeader()

Description copied from interface: ReadableBinary

Header for binary input. Will be automatically read by IOUtils when using readBinary().

Specified by:

binaryHeader in interface ReadableBinary

Specified by:

binaryHeader in interface WriteableBinary

Returns:

header

writeBinary

public void writeBinary(DataOutput out)
                 throws IOException

Description copied from interface: WriteableBinary

Write the content of this as binary to out.

Specified by:

writeBinary in interface WriteableBinary

Parameters:

out - sink to write to

Throws:

IOException - an error writing to out