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Packages that use WritableComparator | |
org.apache.nutch.db | Web database: tracks page fetches and link structure. |
org.apache.nutch.indexer | Maintain Lucene full-text indexes. |
org.apache.nutch.io | Generic i/o code for use when reading and writing data to the network, to databases, and to files. |
org.apache.nutch.tools |
Uses of WritableComparator in org.apache.nutch.db |
Subclasses of WritableComparator in org.apache.nutch.db | |
static class |
DistributedWebDBWriter.LinkInstruction.MD5Comparator
Sorts the instruction first by Md5, then by opcode. |
static class |
DistributedWebDBWriter.LinkInstruction.UrlComparator
Sorts the instruction first by url, then by opcode. |
static class |
DistributedWebDBWriter.PageInstruction.PageComparator
Sorts the instruction first by Page, then by opcode. |
static class |
DistributedWebDBWriter.PageInstruction.UrlComparator
Sorts the instruction first by url, then by opcode. |
static class |
Link.MD5Comparator
MD5Comparator is the opposite. |
static class |
Link.UrlComparator
URLComparator uses the standard method where, uh, the URL comes first. |
static class |
Page.Comparator
Compares pages by MD5, then by URL. |
static class |
Page.UrlComparator
Compares pages by URL only. |
static class |
WebDBWriter.LinkInstruction.MD5Comparator
Sorts the instruction first by Md5, then by opcode. |
static class |
WebDBWriter.LinkInstruction.UrlComparator
Sorts the instruction first by url, then by opcode. |
static class |
WebDBWriter.PageInstruction.PageComparator
Sorts the instruction first by Page, then by opcode. |
static class |
WebDBWriter.PageInstruction.UrlComparator
Sorts the instruction first by url, then by opcode. |
Constructors in org.apache.nutch.db with parameters of type WritableComparator | |
DBSectionReader(NutchFileSystem nfs,
File sectionFile,
WritableComparator comparator)
Right now we assume we're getting a File that is a MapFile.Reader directory. |
Uses of WritableComparator in org.apache.nutch.indexer |
Subclasses of WritableComparator in org.apache.nutch.indexer | |
static class |
DeleteDuplicates.IndexedDoc.ByHashDoc
Order equal hashes by decreasing index and document. |
static class |
DeleteDuplicates.IndexedDoc.ByHashScore
Order equal hashes by decreasing score and increasing urlLen. |
Uses of WritableComparator in org.apache.nutch.io |
Subclasses of WritableComparator in org.apache.nutch.io | |
static class |
BooleanWritable.Comparator
A Comparator optimized for BooleanWritable. |
static class |
FloatWritable.Comparator
A Comparator optimized for FloatWritable. |
static class |
IntWritable.Comparator
A Comparator optimized for IntWritable. |
static class |
LongWritable.Comparator
A Comparator optimized for LongWritable. |
static class |
LongWritable.DecreasingComparator
A decreasing Comparator optimized for LongWritable. |
static class |
MD5Hash.Comparator
A WritableComparator optimized for MD5Hash keys. |
static class |
UTF8.Comparator
A WritableComparator optimized for UTF8 keys. |
Methods in org.apache.nutch.io that return WritableComparator | |
static WritableComparator |
WritableComparator.get(Class c)
Get a comparator for a WritableComparable implementation. |
Methods in org.apache.nutch.io with parameters of type WritableComparator | |
static void |
WritableComparator.define(Class c,
WritableComparator comparator)
Register an optimized comparator for a WritableComparable
implementation. |
Constructors in org.apache.nutch.io with parameters of type WritableComparator | |
MapFile.Writer(NutchFileSystem nfs,
String dirName,
WritableComparator comparator,
Class valClass)
Create the named map using the named key comparator. |
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MapFile.Reader(NutchFileSystem nfs,
String dirName,
WritableComparator comparator)
Construct a map reader for the named map using the named comparator. |
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SetFile.Writer(NutchFileSystem nfs,
String dirName,
WritableComparator comparator)
Create the named set using the named key comparator. |
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SequenceFile.Sorter(NutchFileSystem nfs,
WritableComparator comparator,
Class valClass)
Sort and merge using an arbitrary WritableComparator . |
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SetFile.Reader(NutchFileSystem nfs,
String dirName,
WritableComparator comparator)
Construct a set reader for the named set using the named comparator. |
Uses of WritableComparator in org.apache.nutch.tools |
Subclasses of WritableComparator in org.apache.nutch.tools | |
static class |
UpdateSegmentsFromDb.BySegmentComparator
Used internally only. |
static class |
UpdateSegmentsFromDb.ByUrlComparator
Used internally only. |
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