Package org.apache.lucene.codecs.lucene45

Class Lucene45DocValuesConsumer

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    public class Lucene45DocValuesConsumer
extends DocValuesConsumer
implements java.io.Closeable
    writer for Lucene45DocValuesFormat

    • Field Detail

      • DELTA_COMPRESSED

        public static final int DELTA_COMPRESSED
        Compressed using packed blocks of ints.
        See Also:
        Constant Field Values

      • GCD_COMPRESSED

        public static final int GCD_COMPRESSED
        Compressed by computing the GCD.
        See Also:
        Constant Field Values

      • TABLE_COMPRESSED

        public static final int TABLE_COMPRESSED
        Compressed by giving IDs to unique values.
        See Also:
        Constant Field Values

      • BINARY_FIXED_UNCOMPRESSED

        public static final int BINARY_FIXED_UNCOMPRESSED
        Uncompressed binary, written directly (fixed length).
        See Also:
        Constant Field Values

      • BINARY_VARIABLE_UNCOMPRESSED

        public static final int BINARY_VARIABLE_UNCOMPRESSED
        Uncompressed binary, written directly (variable length).
        See Also:
        Constant Field Values

      • BINARY_PREFIX_COMPRESSED

        public static final int BINARY_PREFIX_COMPRESSED
        Compressed binary with shared prefixes
        See Also:
        Constant Field Values

      • SORTED_SET_WITH_ADDRESSES

        public static final int SORTED_SET_WITH_ADDRESSES
        Standard storage for sorted set values with 1 level of indirection: docId -> address -> ord.
        See Also:
        Constant Field Values

      • SORTED_SET_SINGLE_VALUED_SORTED

        public static final int SORTED_SET_SINGLE_VALUED_SORTED
        Single-valued sorted set values, encoded as sorted values, so no level of indirection: docId -> ord.
        See Also:
        Constant Field Values

    • Constructor Detail

      • Lucene45DocValuesConsumer

        public Lucene45DocValuesConsumer​(SegmentWriteState state,
                                 java.lang.String dataCodec,
                                 java.lang.String dataExtension,
                                 java.lang.String metaCodec,
                                 java.lang.String metaExtension)
                          throws java.io.IOException
        expert: Creates a new writer
        Throws:
        java.io.IOException

    • Method Detail

      • addNumericField

        public void addNumericField​(FieldInfo field,
                            java.lang.Iterable<java.lang.Number> values)
                     throws java.io.IOException
        Description copied from class: DocValuesConsumer
        Writes numeric docvalues for a field.
        Specified by:
        addNumericField in class DocValuesConsumer
        Parameters:
        field - field information
        values - Iterable of numeric values (one for each document). null indicates a missing value.
        Throws:
        java.io.IOException - if an I/O error occurred.

      • addBinaryField

        public void addBinaryField​(FieldInfo field,
                           java.lang.Iterable<BytesRef> values)
                    throws java.io.IOException
        Description copied from class: DocValuesConsumer
        Writes binary docvalues for a field.
        Specified by:
        addBinaryField in class DocValuesConsumer
        Parameters:
        field - field information
        values - Iterable of binary values (one for each document). null indicates a missing value.
        Throws:
        java.io.IOException - if an I/O error occurred.

      • addSortedField

        public void addSortedField​(FieldInfo field,
                           java.lang.Iterable<BytesRef> values,
                           java.lang.Iterable<java.lang.Number> docToOrd)
                    throws java.io.IOException
        Description copied from class: DocValuesConsumer
        Writes pre-sorted binary docvalues for a field.
        Specified by:
        addSortedField in class DocValuesConsumer
        Parameters:
        field - field information
        values - Iterable of binary values in sorted order (deduplicated).
        docToOrd - Iterable of ordinals (one for each document). -1 indicates a missing value.
        Throws:
        java.io.IOException - if an I/O error occurred.

      • addSortedSetField

        public void addSortedSetField​(FieldInfo field,
                              java.lang.Iterable<BytesRef> values,
                              java.lang.Iterable<java.lang.Number> docToOrdCount,
                              java.lang.Iterable<java.lang.Number> ords)
                       throws java.io.IOException
        Description copied from class: DocValuesConsumer
        Writes pre-sorted set docvalues for a field
        Specified by:
        addSortedSetField in class DocValuesConsumer
        Parameters:
        field - field information
        values - Iterable of binary values in sorted order (deduplicated).
        docToOrdCount - Iterable of the number of values for each document. A zero ordinal count indicates a missing value.
        ords - Iterable of ordinal occurrences (docToOrdCount*maxDoc total).
        Throws:
        java.io.IOException - if an I/O error occurred.

      • close

        public void close()
           throws java.io.IOException
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Throws:
        java.io.IOException