| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.lucene.codecs.memory; |
| |
| import static org.apache.lucene.index.SortedSetDocValues.NO_MORE_ORDS; |
| import static org.apache.lucene.search.DocIdSetIterator.NO_MORE_DOCS; |
| |
| import java.io.IOException; |
| import java.util.Iterator; |
| import org.apache.lucene.codecs.DocValuesProducer; |
| import org.apache.lucene.codecs.NormsProducer; |
| import org.apache.lucene.index.BinaryDocValues; |
| import org.apache.lucene.index.FieldInfo; |
| import org.apache.lucene.index.NumericDocValues; |
| import org.apache.lucene.index.SortedDocValues; |
| import org.apache.lucene.index.SortedNumericDocValues; |
| import org.apache.lucene.index.SortedSetDocValues; |
| import org.apache.lucene.util.BytesRef; |
| |
| /** Bridge helper methods for legacy codecs to map sorted doc values to iterables. */ |
| class LegacyDocValuesIterables { |
| |
| private LegacyDocValuesIterables() { |
| // no |
| } |
| |
| /** |
| * Converts {@link SortedDocValues} into an {@code Iterable<BytesRef>} for all the values. |
| * |
| * @deprecated Consume {@link SortedDocValues} instead. |
| */ |
| @Deprecated |
| public static Iterable<BytesRef> valuesIterable(final SortedDocValues values) { |
| return new Iterable<BytesRef>() { |
| @Override |
| public Iterator<BytesRef> iterator() { |
| return new Iterator<BytesRef>() { |
| private int nextOrd; |
| |
| @Override |
| public boolean hasNext() { |
| return nextOrd < values.getValueCount(); |
| } |
| |
| @Override |
| public BytesRef next() { |
| try { |
| return values.lookupOrd(nextOrd++); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| }; |
| } |
| }; |
| } |
| |
| /** |
| * Converts {@link SortedSetDocValues} into an {@code Iterable<BytesRef>} for all the |
| * values. |
| * |
| * @deprecated Consume {@link SortedSetDocValues} instead. |
| */ |
| @Deprecated |
| public static Iterable<BytesRef> valuesIterable(final SortedSetDocValues values) { |
| return new Iterable<BytesRef>() { |
| @Override |
| public Iterator<BytesRef> iterator() { |
| return new Iterator<BytesRef>() { |
| private long nextOrd; |
| |
| @Override |
| public boolean hasNext() { |
| return nextOrd < values.getValueCount(); |
| } |
| |
| @Override |
| public BytesRef next() { |
| try { |
| return values.lookupOrd(nextOrd++); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| }; |
| } |
| }; |
| } |
| |
| /** |
| * Converts {@link SortedDocValues} into the ord for each document as an {@code |
| * Iterable<Number>}. |
| * |
| * @deprecated Consume {@link SortedDocValues} instead. |
| */ |
| @Deprecated |
| public static Iterable<Number> sortedOrdIterable( |
| final DocValuesProducer valuesProducer, FieldInfo fieldInfo, int maxDoc) { |
| return new Iterable<Number>() { |
| @Override |
| public Iterator<Number> iterator() { |
| |
| final SortedDocValues values; |
| try { |
| values = valuesProducer.getSorted(fieldInfo); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| |
| return new Iterator<Number>() { |
| private int nextDocID; |
| |
| @Override |
| public boolean hasNext() { |
| return nextDocID < maxDoc; |
| } |
| |
| @Override |
| public Number next() { |
| try { |
| if (nextDocID > values.docID()) { |
| values.nextDoc(); |
| } |
| int result; |
| if (nextDocID == values.docID()) { |
| result = values.ordValue(); |
| } else { |
| result = -1; |
| } |
| nextDocID++; |
| return result; |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } |
| }; |
| } |
| }; |
| } |
| |
| /** |
| * Converts number-of-ords per document from {@link SortedSetDocValues} into {@code |
| * Iterable<Number>}. |
| * |
| * @deprecated Consume {@link SortedSetDocValues} instead. |
| */ |
| @Deprecated |
| public static Iterable<Number> sortedSetOrdCountIterable( |
| final DocValuesProducer valuesProducer, final FieldInfo fieldInfo, final int maxDoc) { |
| |
| return new Iterable<Number>() { |
| |
| @Override |
| public Iterator<Number> iterator() { |
| |
| final SortedSetDocValues values; |
| try { |
| values = valuesProducer.getSortedSet(fieldInfo); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| |
| return new Iterator<Number>() { |
| private int nextDocID; |
| private int ordCount; |
| |
| @Override |
| public boolean hasNext() { |
| return nextDocID < maxDoc; |
| } |
| |
| @Override |
| public Number next() { |
| try { |
| if (nextDocID > values.docID()) { |
| if (values.nextDoc() != NO_MORE_DOCS) { |
| ordCount = 0; |
| while (values.nextOrd() != NO_MORE_ORDS) { |
| ordCount++; |
| } |
| } |
| } |
| int result; |
| if (nextDocID == values.docID()) { |
| result = ordCount; |
| } else { |
| result = 0; |
| } |
| nextDocID++; |
| return result; |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } |
| }; |
| } |
| }; |
| } |
| |
| /** |
| * Converts all concatenated ords (in docID order) from {@link SortedSetDocValues} into {@code |
| * Iterable<Number>}. |
| * |
| * @deprecated Consume {@link SortedSetDocValues} instead. |
| */ |
| @Deprecated |
| public static Iterable<Number> sortedSetOrdsIterable( |
| final DocValuesProducer valuesProducer, final FieldInfo fieldInfo) { |
| |
| return new Iterable<Number>() { |
| |
| @Override |
| public Iterator<Number> iterator() { |
| |
| final SortedSetDocValues values; |
| try { |
| values = valuesProducer.getSortedSet(fieldInfo); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| |
| return new Iterator<Number>() { |
| private boolean nextIsSet; |
| private long nextOrd; |
| |
| private void setNext() { |
| try { |
| if (nextIsSet == false) { |
| if (values.docID() == -1) { |
| values.nextDoc(); |
| } |
| while (true) { |
| if (values.docID() == NO_MORE_DOCS) { |
| nextOrd = -1; |
| break; |
| } |
| nextOrd = values.nextOrd(); |
| if (nextOrd != -1) { |
| break; |
| } |
| values.nextDoc(); |
| } |
| nextIsSet = true; |
| } |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } |
| |
| @Override |
| public boolean hasNext() { |
| setNext(); |
| return nextOrd != -1; |
| } |
| |
| @Override |
| public Number next() { |
| setNext(); |
| assert nextOrd != -1; |
| nextIsSet = false; |
| return nextOrd; |
| } |
| }; |
| } |
| }; |
| } |
| |
| /** |
| * Converts number-of-values per document from {@link SortedNumericDocValues} into {@code |
| * Iterable<Number>}. |
| * |
| * @deprecated Consume {@link SortedDocValues} instead. |
| */ |
| @Deprecated |
| public static Iterable<Number> sortedNumericToDocCount( |
| final DocValuesProducer valuesProducer, final FieldInfo fieldInfo, int maxDoc) { |
| return new Iterable<Number>() { |
| |
| @Override |
| public Iterator<Number> iterator() { |
| |
| final SortedNumericDocValues values; |
| try { |
| values = valuesProducer.getSortedNumeric(fieldInfo); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| |
| return new Iterator<Number>() { |
| private int nextDocID; |
| |
| @Override |
| public boolean hasNext() { |
| return nextDocID < maxDoc; |
| } |
| |
| @Override |
| public Number next() { |
| try { |
| if (nextDocID > values.docID()) { |
| values.nextDoc(); |
| } |
| int result; |
| if (nextDocID == values.docID()) { |
| result = values.docValueCount(); |
| } else { |
| result = 0; |
| } |
| nextDocID++; |
| return result; |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } |
| }; |
| } |
| }; |
| } |
| |
| /** |
| * Converts all concatenated values (in docID order) from {@link SortedNumericDocValues} into |
| * {@code Iterable<Number>}. |
| * |
| * @deprecated Consume {@link SortedDocValues} instead. |
| */ |
| @Deprecated |
| public static Iterable<Number> sortedNumericToValues( |
| final DocValuesProducer valuesProducer, final FieldInfo fieldInfo) { |
| return new Iterable<Number>() { |
| |
| @Override |
| public Iterator<Number> iterator() { |
| |
| final SortedNumericDocValues values; |
| try { |
| values = valuesProducer.getSortedNumeric(fieldInfo); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| |
| return new Iterator<Number>() { |
| private boolean nextIsSet; |
| private int nextCount; |
| private int upto; |
| private long nextValue; |
| |
| private void setNext() { |
| try { |
| if (nextIsSet == false) { |
| if (upto == nextCount) { |
| values.nextDoc(); |
| if (values.docID() == NO_MORE_DOCS) { |
| nextCount = 0; |
| nextIsSet = false; |
| return; |
| } else { |
| nextCount = values.docValueCount(); |
| } |
| upto = 0; |
| } |
| nextValue = values.nextValue(); |
| upto++; |
| nextIsSet = true; |
| } |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } |
| |
| @Override |
| public boolean hasNext() { |
| setNext(); |
| return nextCount != 0; |
| } |
| |
| @Override |
| public Number next() { |
| setNext(); |
| assert nextCount != 0; |
| nextIsSet = false; |
| return nextValue; |
| } |
| }; |
| } |
| }; |
| } |
| |
| /** |
| * Converts norms into {@code Iterable<Number>}. |
| * |
| * @deprecated Consume {@link NumericDocValues} instead. |
| */ |
| @Deprecated |
| public static Iterable<Number> normsIterable( |
| final FieldInfo field, final NormsProducer normsProducer, final int maxDoc) { |
| |
| return new Iterable<Number>() { |
| |
| @Override |
| public Iterator<Number> iterator() { |
| |
| final NumericDocValues values; |
| try { |
| values = normsProducer.getNorms(field); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| |
| return new Iterator<Number>() { |
| private int docIDUpto = -1; |
| |
| @Override |
| public boolean hasNext() { |
| return docIDUpto + 1 < maxDoc; |
| } |
| |
| @Override |
| public Number next() { |
| docIDUpto++; |
| if (docIDUpto > values.docID()) { |
| try { |
| values.nextDoc(); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } |
| Number result; |
| if (docIDUpto == values.docID()) { |
| try { |
| result = values.longValue(); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } else { |
| // Unlike NumericDocValues, norms used to return 0 for missing values: |
| result = 0; |
| } |
| return result; |
| } |
| }; |
| } |
| }; |
| } |
| |
| /** |
| * Converts values from {@link BinaryDocValues} into {@code Iterable<BytesRef>}. |
| * |
| * @deprecated Consume {@link BinaryDocValues} instead. |
| */ |
| @Deprecated |
| public static Iterable<BytesRef> binaryIterable( |
| final FieldInfo field, final DocValuesProducer valuesProducer, final int maxDoc) { |
| return new Iterable<BytesRef>() { |
| @Override |
| public Iterator<BytesRef> iterator() { |
| |
| final BinaryDocValues values; |
| try { |
| values = valuesProducer.getBinary(field); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| |
| return new Iterator<BytesRef>() { |
| private int docIDUpto = -1; |
| |
| @Override |
| public boolean hasNext() { |
| return docIDUpto + 1 < maxDoc; |
| } |
| |
| @Override |
| public BytesRef next() { |
| docIDUpto++; |
| if (docIDUpto > values.docID()) { |
| try { |
| values.nextDoc(); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } |
| BytesRef result; |
| if (docIDUpto == values.docID()) { |
| try { |
| result = values.binaryValue(); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } else { |
| result = null; |
| } |
| return result; |
| } |
| }; |
| } |
| }; |
| } |
| |
| /** |
| * Converts values from {@link NumericDocValues} into {@code Iterable<Number>}. |
| * |
| * @deprecated Consume {@link NumericDocValues} instead. |
| */ |
| @Deprecated |
| public static Iterable<Number> numericIterable( |
| final FieldInfo field, final DocValuesProducer valuesProducer, final int maxDoc) { |
| return new Iterable<Number>() { |
| @Override |
| public Iterator<Number> iterator() { |
| |
| final NumericDocValues values; |
| try { |
| values = valuesProducer.getNumeric(field); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| |
| return new Iterator<Number>() { |
| private int docIDUpto = -1; |
| |
| @Override |
| public boolean hasNext() { |
| return docIDUpto + 1 < maxDoc; |
| } |
| |
| @Override |
| public Number next() { |
| docIDUpto++; |
| if (docIDUpto > values.docID()) { |
| try { |
| values.nextDoc(); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } |
| Number result; |
| if (docIDUpto == values.docID()) { |
| try { |
| result = values.longValue(); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } else { |
| result = null; |
| } |
| return result; |
| } |
| }; |
| } |
| }; |
| } |
| } |