Package it.unimi.di.big.mg4j.document

Class ZipDocumentCollectionBuilder

java.lang.Object

it.unimi.di.big.mg4j.document.ZipDocumentCollectionBuilder

All Implemented Interfaces:

DocumentCollectionBuilder

public class ZipDocumentCollectionBuilder
extends Object
implements DocumentCollectionBuilder

A builder for zipped document collections.

Constructor Summary

Constructors

Constructor	Description
ZipDocumentCollectionBuilder(String basename, DocumentFactory factory, boolean exact)	Creates a new zipped collection builder.

Method Summary

Modifier and Type	Method	Description
void	add(MutableString word, MutableString nonWord)	Adds a word and a nonword to the current text field, provided that a text field has started but not yet ended; otherwise, doesn't do anything.
String	basename()	Returns the basename of this builder.
void	build(DocumentSequence inputSequence)
void	close()	Terminates the contruction of the collection.
void	endDocument()	Ends a document entry.
void	endTextField()	Ends a new text field.
static void	main(String[] arg)
void	nonTextField(Object o)	Adds a non-text field.
void	open(CharSequence suffix)	Opens a new collection.
void	startDocument(CharSequence title, CharSequence uri)	Starts a document entry.
void	startTextField()	Starts a new text field.
void	virtualField(List<Scan.VirtualDocumentFragment> fragments)	Adds a virtual field.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZipDocumentCollectionBuilder

public ZipDocumentCollectionBuilder(String basename,
                                    DocumentFactory factory,
                                    boolean exact)

Creates a new zipped collection builder.

Parameters:

factory - the factory of the base document sequence.

exact - true iff also non-words should be preserved.

Method Detail

open

public void open(CharSequence suffix)
          throws FileNotFoundException

Description copied from interface: DocumentCollectionBuilder

Opens a new collection.

Specified by:

open in interface DocumentCollectionBuilder

Parameters:

suffix - a suffix that will be added to the basename provided at construction time.

Throws:

FileNotFoundException

basename

public String basename()

Description copied from interface: DocumentCollectionBuilder

Returns the basename of this builder.

Specified by:

basename in interface DocumentCollectionBuilder

Returns:

the basename

startDocument

public void startDocument(CharSequence title,
                          CharSequence uri)
                   throws IOException

Description copied from interface: DocumentCollectionBuilder

Starts a document entry.

Specified by:

startDocument in interface DocumentCollectionBuilder

Parameters:

title - the document title (usually, the result of Document.title()).

uri - the document uri (usually, the result of Document.uri()).

Throws:

IOException

endDocument

public void endDocument()
                 throws IOException

Description copied from interface: DocumentCollectionBuilder

Ends a document entry.

Specified by:

endDocument in interface DocumentCollectionBuilder

Throws:

IOException

startTextField

public void startTextField()

Description copied from interface: DocumentCollectionBuilder

Starts a new text field.

Specified by:

startTextField in interface DocumentCollectionBuilder

nonTextField

public void nonTextField(Object o)
                  throws IOException

Description copied from interface: DocumentCollectionBuilder

Adds a non-text field.

Specified by:

nonTextField in interface DocumentCollectionBuilder

Parameters:

o - the content of the non-text field.

Throws:

IOException

virtualField

public void virtualField(List<Scan.VirtualDocumentFragment> fragments)
                  throws IOException

Description copied from interface: DocumentCollectionBuilder

Adds a virtual field.

Specified by:

virtualField in interface DocumentCollectionBuilder

Parameters:

fragments - the virtual fragments to be added.

Throws:

IOException

endTextField

public void endTextField()
                  throws IOException

Description copied from interface: DocumentCollectionBuilder

Ends a new text field.

Specified by:

endTextField in interface DocumentCollectionBuilder

Throws:

IOException

add

public void add(MutableString word,
                MutableString nonWord)
         throws IOException

Description copied from interface: DocumentCollectionBuilder

Adds a word and a nonword to the current text field, provided that a text field has started but not yet ended; otherwise, doesn't do anything.

Usually, word e nonWord are just the result of a call to WordReader.next(MutableString, MutableString).

Specified by:

add in interface DocumentCollectionBuilder

Parameters:

word - a word.

nonWord - a nonword.

Throws:

IOException

close

public void close()
           throws IOException

Description copied from interface: DocumentCollectionBuilder

Terminates the contruction of the collection.

Specified by:

close in interface DocumentCollectionBuilder

Throws:

IOException

build

public void build(DocumentSequence inputSequence)
           throws IOException

Throws:

IOException

main

public static void main(String[] arg)
                 throws com.martiansoftware.jsap.JSAPException,
                        IOException,
                        ClassNotFoundException,
                        InvocationTargetException,
                        NoSuchMethodException,
                        IllegalAccessException,
                        InstantiationException,
                        IllegalArgumentException,
                        SecurityException

Throws:

com.martiansoftware.jsap.JSAPException

IOException

ClassNotFoundException

InvocationTargetException

NoSuchMethodException

IllegalAccessException

InstantiationException

IllegalArgumentException

SecurityException