Examples of it.unimi.dsi.mg4j.document.MapVirtualDocumentCollection

it.unimi.dsi.mg4j.document.MapVirtualDocumentCollection
A virtual document collection explicitly defined by an array of maps and a trivial resolver (mainly useful for testing).
Every map in the provided sequence is considered a virtual document, and the only field virtual. The factory is built-in.
For simple testing, it is suggested that the provided document specifiers are just integers (as strings), and that an instance of {@link MapVirtualDocumentCollection.TrivialVirtualDocumentResolver} is used to resolve them.


  public DocumentSequence getSequence() throws ConfigurationException, IOException {
    if ( lastSequence != null ) lastSequence.close();
    return lastSequence = new CompositeDocumentSequence( new InputStreamDocumentSequence( this.getClass().getResourceAsStream( "documents.data" ), 10, new IdentityDocumentFactory(
        new String[] { "encoding=UTF-8" } ), NUMBER_OF_DOCUMENTS ), new IntArrayDocumentCollection( INTEGER_DOCUMENT ), new DateArrayDocumentCollection( DATE_DOCUMENT ),
        new MapVirtualDocumentCollection( VIRTUAL_DOCUMENT ) );
  }

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  @SuppressWarnings("unchecked")
  public DocumentSequence getEmptySequence() throws ConfigurationException, IOException {
    if ( lastSequence != null ) lastSequence.close();
    return lastSequence = new CompositeDocumentSequence( new StringArrayDocumentCollection(), new IntArrayDocumentCollection(), new DateArrayDocumentCollection(),
        new MapVirtualDocumentCollection() );
  }

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