Examples of org.apache.lucene.document.Document.removeField()

Class org.apache.lucene.document.Document

Examples of org.apache.lucene.document.Document.removeField()

org.apache.lucene.document.Document.removeField()

Removes field with the specified name from the document. If multiple fields exist with this name, this method removes the first field that has been added. If there is no field with the specified name, the document remains unchanged.

Note that the removeField(s) methods like the add method only make sense prior to adding a document to an index. These methods cannot be used to change the content of an existing index! In order to achieve this, a document has to be deleted from an index and a new changed version of that document has to be added.

    assertEquals(5, doc.fields.size());
    doc.removeField("text");
    assertEquals(4, doc.fields.size());
    doc.removeField("text");
    assertEquals(4, doc.fields.size());
    doc.removeField("doesnotexists");       // removing non-existing fields is siltenlty ignored
    assertEquals(4, doc.fields.size());
    doc.removeFields("unindexed");
    assertEquals(2, doc.fields.size());
    doc.removeFields("unstored");
    assertEquals(0, doc.fields.size());

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      Field f = new TextField(floatTestField, "" + nextFloat, Field.Store.YES);
      f.setBoost(nextFloat);


      doc.add(f);
      writer.addDocument(doc);
      doc.removeField(floatTestField);
      if (rarely()) {
        writer.commit();
      }
    }
    writer.commit();

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      if (numDocs == 1) {
        Document doc = r.document(r.maxDoc() - 1);
        if (doc.getField(SNAPSHOTS_ID) == null) {
          throw new IllegalStateException("directory is not a valid snapshots store!");
        }
        doc.removeField(SNAPSHOTS_ID);
        for (IndexableField f : doc) {
          snapshots.put(f.name(), f.stringValue());
        }
      } else if (numDocs != 0) {
        throw new IllegalStateException(

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    assertTrue(r1.isCurrent());


    String id10 = r1.document(10).getField("id").stringValue();
    
    Document newDoc = r1.document(10);
    newDoc.removeField("id");
    newDoc.add(newStringField("id", Integer.toString(8000), Field.Store.YES));
    writer.updateDocument(new Term("id", id10), newDoc);
    assertFalse(r1.isCurrent());


    DirectoryReader r2 = writer.getReader();

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      int boost = random().nextInt(255);
      Field f = new TextField(byteTestField, "" + boost, Field.Store.YES);
      f.setBoost(boost);
      doc.add(f);
      writer.addDocument(doc);
      doc.removeField(byteTestField);
      if (rarely()) {
        writer.commit();
      }
    }
    writer.commit();

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    assertTrue(r1.isCurrent());


    String id10 = r1.document(10).getField("id").stringValue();
    
    Document newDoc = r1.document(10);
    newDoc.removeField("id");
    newDoc.add(new Field("id", Integer.toString(8000), Store.YES, Index.NOT_ANALYZED));
    writer.updateDocument(new Term("id", id10), newDoc);
    assertFalse(r1.isCurrent());


    IndexReader r2 = writer.getReader();

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        Document doc = r.document(r.maxDoc() - 1);
        Field sid = doc.getField(SNAPSHOTS_ID);
        if (sid == null) {
          throw new IllegalStateException("directory is not a valid snapshots store!");
        }
        doc.removeField(SNAPSHOTS_ID);
        for (Fieldable f : doc.getFields()) {
          snapshots.put(f.name(), f.stringValue());
        }
      } else if (numDocs != 0) {
        throw new IllegalStateException(

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      Document newdoc = new Document();
      Iterator fieldsIter = doc.getFields().iterator();
      while(fieldsIter.hasNext()){
        newdoc.add((IndexableField)fieldsIter.next());
      }
      newdoc.removeField("projectId");
      newdoc.add(new Field("projectId",projectId,Field.Store.YES,Field.Index.NOT_ANALYZED));
      writer.addDocument(newdoc);
    }
  }

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      int boost = random().nextInt(255);
      Field f = new TextField(byteTestField, "" + boost, Field.Store.YES);
      f.setBoost(boost);
      doc.add(f);
      writer.addDocument(doc);
      doc.removeField(byteTestField);
      if (rarely()) {
        writer.commit();
      }
    }
    writer.commit();

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      Field f = new TextField(floatTestField, "" + nextFloat, Field.Store.YES);
      f.setBoost(nextFloat);


      doc.add(f);
      writer.addDocument(doc);
      doc.removeField(floatTestField);
      if (rarely()) {
        writer.commit();
      }
    }
    writer.commit();

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