com.indeed.mph.serializers

Class SmartHashSerializer

java.lang.Object

com.indeed.mph.serializers.AbstractParseable<T>

com.indeed.mph.serializers.AbstractSmartSerializer<java.lang.Integer>

com.indeed.mph.serializers.SmartIntegerSerializer

com.indeed.mph.serializers.SmartHashSerializer

All Implemented Interfaces:

Parseable<java.lang.Integer>, SmartSerializer<java.lang.Integer>, com.indeed.util.serialization.Serializer<java.lang.Integer>, java.io.Serializable

public class SmartHashSerializer
extends SmartIntegerSerializer

An Integer serializer which compresses its values to a smaller range using a pre-existing minimal perfect hash. Conversion occurs only on parsing, as a convenience for translating mapreduce output.

Author:

alexs

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SmartHashSerializer(it.unimi.dsi.sux4j.mph.AbstractHashFunction<java.lang.Long> mph)
SmartHashSerializer(it.unimi.dsi.sux4j.mph.AbstractHashFunction<java.lang.Long> mph, Parseable<java.lang.Long> parser)
SmartHashSerializer(it.unimi.dsi.sux4j.mph.AbstractHashFunction<java.lang.Long> mph, Parseable<java.lang.Long> parser, boolean ignoreErrors)
SmartHashSerializer(java.lang.String metaPath)
SmartHashSerializer(java.lang.String metaPath, Parseable<java.lang.Long> parser)
SmartHashSerializer(java.lang.String metaPath, Parseable<java.lang.Long> parser, boolean ignoreErrors)

Method Summary

Modifier and Type	Method and Description
java.lang.Integer	parseFromString(java.lang.String s)

Methods inherited from class com.indeed.mph.serializers.SmartIntegerSerializer

read, size, sizeOf, write

Methods inherited from class com.indeed.mph.serializers.AbstractSmartSerializer

skip

Methods inherited from class com.indeed.mph.serializers.AbstractParseable

print, printToString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.indeed.mph.Parseable

print, printToString

Constructor Detail

SmartHashSerializer

public SmartHashSerializer(it.unimi.dsi.sux4j.mph.AbstractHashFunction<java.lang.Long> mph,
                           Parseable<java.lang.Long> parser,
                           boolean ignoreErrors)

SmartHashSerializer

public SmartHashSerializer(it.unimi.dsi.sux4j.mph.AbstractHashFunction<java.lang.Long> mph,
                           Parseable<java.lang.Long> parser)

SmartHashSerializer

public SmartHashSerializer(it.unimi.dsi.sux4j.mph.AbstractHashFunction<java.lang.Long> mph)

SmartHashSerializer

public SmartHashSerializer(java.lang.String metaPath,
                           Parseable<java.lang.Long> parser,
                           boolean ignoreErrors)
                    throws java.io.IOException

Throws:

java.io.IOException

SmartHashSerializer

public SmartHashSerializer(java.lang.String metaPath,
                           Parseable<java.lang.Long> parser)
                    throws java.io.IOException

Throws:

java.io.IOException

SmartHashSerializer

public SmartHashSerializer(java.lang.String metaPath)
                    throws java.io.IOException

Throws:

java.io.IOException

Method Detail

parseFromString

public java.lang.Integer parseFromString(java.lang.String s)
                                  throws java.io.IOException

Specified by:

parseFromString in interface Parseable<java.lang.Integer>

Overrides:

parseFromString in class SmartIntegerSerializer

Throws:

java.io.IOException