Package com.ibm.icu.impl.coll
Class CollationKeys
java.lang.Object
com.ibm.icu.impl.coll.CollationKeys
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic class
static class
private static final class
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate static final int
private static final int
private static final int
private static final int
private static final int
private static final int
private static final int
private static final int[]
Map from collation strength (UColAttributeValue) to a mask of Collation.Level bits up to that strength, excluding the CASE_LEVEL which is independent of the strength, and excluding IDENTICAL_LEVEL which this function does not write.private static final int
private static final int
private static final int
private static final int
private static final int
(package private) static final int
private static final int
private static final int
private static final int
static final CollationKeys.LevelCallback
private static final int
private static final int
private static final int
private static final int
private static final int
private static final int
private static final int
private static final int
private static final int
private static final int
private static final int
private static final int
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprivate static CollationKeys.SortKeyLevel
getSortKeyLevel
(int levels, int level) static void
writeSortKeyUpToQuaternary
(CollationIterator iter, boolean[] compressibleBytes, CollationSettings settings, CollationKeys.SortKeyByteSink sink, int minLevel, CollationKeys.LevelCallback callback, boolean preflight) Writes the sort key bytes for minLevel up to the iterator data's strength.
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Field Details
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SIMPLE_LEVEL_FALLBACK
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SEC_COMMON_LOW
private static final int SEC_COMMON_LOW- See Also:
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SEC_COMMON_MIDDLE
private static final int SEC_COMMON_MIDDLE- See Also:
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SEC_COMMON_HIGH
static final int SEC_COMMON_HIGH- See Also:
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SEC_COMMON_MAX_COUNT
private static final int SEC_COMMON_MAX_COUNT- See Also:
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CASE_LOWER_FIRST_COMMON_LOW
private static final int CASE_LOWER_FIRST_COMMON_LOW- See Also:
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CASE_LOWER_FIRST_COMMON_MIDDLE
private static final int CASE_LOWER_FIRST_COMMON_MIDDLE- See Also:
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CASE_LOWER_FIRST_COMMON_HIGH
private static final int CASE_LOWER_FIRST_COMMON_HIGH- See Also:
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CASE_LOWER_FIRST_COMMON_MAX_COUNT
private static final int CASE_LOWER_FIRST_COMMON_MAX_COUNT- See Also:
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CASE_UPPER_FIRST_COMMON_LOW
private static final int CASE_UPPER_FIRST_COMMON_LOW- See Also:
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CASE_UPPER_FIRST_COMMON_HIGH
private static final int CASE_UPPER_FIRST_COMMON_HIGH- See Also:
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CASE_UPPER_FIRST_COMMON_MAX_COUNT
private static final int CASE_UPPER_FIRST_COMMON_MAX_COUNT- See Also:
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TER_ONLY_COMMON_LOW
private static final int TER_ONLY_COMMON_LOW- See Also:
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TER_ONLY_COMMON_MIDDLE
private static final int TER_ONLY_COMMON_MIDDLE- See Also:
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TER_ONLY_COMMON_HIGH
private static final int TER_ONLY_COMMON_HIGH- See Also:
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TER_ONLY_COMMON_MAX_COUNT
private static final int TER_ONLY_COMMON_MAX_COUNT- See Also:
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TER_LOWER_FIRST_COMMON_LOW
private static final int TER_LOWER_FIRST_COMMON_LOW- See Also:
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TER_LOWER_FIRST_COMMON_MIDDLE
private static final int TER_LOWER_FIRST_COMMON_MIDDLE- See Also:
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TER_LOWER_FIRST_COMMON_HIGH
private static final int TER_LOWER_FIRST_COMMON_HIGH- See Also:
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TER_LOWER_FIRST_COMMON_MAX_COUNT
private static final int TER_LOWER_FIRST_COMMON_MAX_COUNT- See Also:
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TER_UPPER_FIRST_COMMON_LOW
private static final int TER_UPPER_FIRST_COMMON_LOW- See Also:
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TER_UPPER_FIRST_COMMON_MIDDLE
private static final int TER_UPPER_FIRST_COMMON_MIDDLE- See Also:
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TER_UPPER_FIRST_COMMON_HIGH
private static final int TER_UPPER_FIRST_COMMON_HIGH- See Also:
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TER_UPPER_FIRST_COMMON_MAX_COUNT
private static final int TER_UPPER_FIRST_COMMON_MAX_COUNT- See Also:
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QUAT_COMMON_LOW
private static final int QUAT_COMMON_LOW- See Also:
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QUAT_COMMON_MIDDLE
private static final int QUAT_COMMON_MIDDLE- See Also:
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QUAT_COMMON_HIGH
private static final int QUAT_COMMON_HIGH- See Also:
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QUAT_COMMON_MAX_COUNT
private static final int QUAT_COMMON_MAX_COUNT- See Also:
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QUAT_SHIFTED_LIMIT_BYTE
private static final int QUAT_SHIFTED_LIMIT_BYTE- See Also:
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levelMasks
private static final int[] levelMasksMap from collation strength (UColAttributeValue) to a mask of Collation.Level bits up to that strength, excluding the CASE_LEVEL which is independent of the strength, and excluding IDENTICAL_LEVEL which this function does not write.
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Constructor Details
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CollationKeys
private CollationKeys()
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Method Details
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getSortKeyLevel
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writeSortKeyUpToQuaternary
public static void writeSortKeyUpToQuaternary(CollationIterator iter, boolean[] compressibleBytes, CollationSettings settings, CollationKeys.SortKeyByteSink sink, int minLevel, CollationKeys.LevelCallback callback, boolean preflight) Writes the sort key bytes for minLevel up to the iterator data's strength. Optionally writes the case level. Stops writing levels when callback.needToWrite(level) returns false. Separates levels with the LEVEL_SEPARATOR_BYTE but does not write a TERMINATOR_BYTE.
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