public enum TokenSorter extends Enum<TokenSorter>
TokenSequence
. The sequence is not modified
by the sorter.
These objects are thread-safe; the same TokenSorter
can be used simultaneously by multiple threads.
TokenOrder
Enum Constant and Description |
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HEAP_SORT
A sorter using the heap sort algorithm.
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MERGE_SORT
A sorter using the merge sort algorithm.
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Modifier and Type | Method and Description |
---|---|
int[] |
sort(int rowCount,
ElementComparator comparator)
Performs a sort based on an element comparator.
|
int[] |
sort(RecordTokenSequence data,
SortKey... sortKeys)
Builds a sort order permutation for the specified composite
sequence using the given sort keys.
|
int[] |
sort(RecordTokenSequence data,
TokenOrder[] sortOrder)
Builds a sort order permutation for the specified composite
sequence using the specified order for each column.
|
int[] |
sort(TokenSequence data)
Builds a sort order permutation for the specified sequence,
assuming a default of ascending order.
|
int[] |
sort(TokenSequence data,
TokenOrder sortOrder)
Builds a sort order permutation for the specified sequence in
the specified order.
|
static TokenSorter |
valueOf(String name)
Returns the enum constant of this type with the specified name.
|
static TokenSorter[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared.
|
public static final TokenSorter HEAP_SORT
public static final TokenSorter MERGE_SORT
public static TokenSorter[] values()
for (TokenSorter c : TokenSorter.values()) System.out.println(c);
public static TokenSorter valueOf(String name)
name
- the name of the enum constant to be returned.IllegalArgumentException
- if this enum type has no constant with the specified nameNullPointerException
- if the argument is nullpublic int[] sort(TokenSequence data)
data
- the sequence to sortpublic int[] sort(TokenSequence data, TokenOrder sortOrder)
data
- the sequence to sortsortOrder
- the ordering to usepublic int[] sort(RecordTokenSequence data, TokenOrder[] sortOrder)
data
- the composite sequence to sortsortOrder
- the ordering to use. This must provide
as many orderings as there are columns in the sequence.public int[] sort(RecordTokenSequence data, SortKey... sortKeys)
data
- the composite sequence to sortsortKeys
- definition of the sort keys to usepublic int[] sort(int rowCount, ElementComparator comparator)
rowCount
- The number of rows to be sortedcomparator
- A comparator that determines the orderingCopyright © 2021 Actian Corporation. All rights reserved.