public final class Sort extends Object
sort(File, File)
Modifier and Type | Class and Description |
---|---|
static class |
Sort.BufferSize
A bit more descriptive unit for constructors.
|
static class |
Sort.ByteSequencesReader
Utility class to read length-prefixed byte[] entries from an input.
|
static class |
Sort.ByteSequencesWriter
Utility class to emit length-prefixed byte[] entries to an output stream for sorting.
|
class |
Sort.SortInfo
Sort info (debugging mostly).
|
Modifier and Type | Field and Description |
---|---|
static long |
ABSOLUTE_MIN_SORT_BUFFER_SIZE
Absolute minimum required buffer size for sorting.
|
static Comparator<BytesRef> |
DEFAULT_COMPARATOR
Default comparator: sorts in binary (codepoint) order
|
static long |
GB
Convenience constant for gigabytes
|
static int |
MAX_TEMPFILES
Maximum number of temporary files before doing an intermediate merge.
|
static long |
MB
Convenience constant for megabytes
|
static long |
MIN_BUFFER_SIZE_MB
Minimum recommended buffer size for sorting.
|
Constructor and Description |
---|
Sort()
Defaults constructor.
|
Sort(Comparator<BytesRef> comparator)
Defaults constructor with a custom comparator.
|
Sort(Comparator<BytesRef> comparator,
Sort.BufferSize ramBufferSize,
File tempDirectory,
int maxTempfiles)
All-details constructor.
|
Modifier and Type | Method and Description |
---|---|
static File |
defaultTempDir()
Returns the default temporary directory.
|
Comparator<BytesRef> |
getComparator()
Returns the comparator in use to sort entries
|
Sort.SortInfo |
sort(File input,
File output)
Sort input to output, explicit hint for the buffer size.
|
public static final long MB
public static final long GB
public static final long MIN_BUFFER_SIZE_MB
public static final long ABSOLUTE_MIN_SORT_BUFFER_SIZE
public static final int MAX_TEMPFILES
public static final Comparator<BytesRef> DEFAULT_COMPARATOR
public Sort() throws IOException
IOException
defaultTempDir()
,
Sort.BufferSize.automatic()
public Sort(Comparator<BytesRef> comparator) throws IOException
IOException
defaultTempDir()
,
Sort.BufferSize.automatic()
public Sort(Comparator<BytesRef> comparator, Sort.BufferSize ramBufferSize, File tempDirectory, int maxTempfiles)
public Sort.SortInfo sort(File input, File output) throws IOException
IOException
public static File defaultTempDir() throws IOException
IOException
public Comparator<BytesRef> getComparator()
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