Package com.ibm.icu.impl.coll

Class CollationRootElements

java.lang.Object

com.ibm.icu.impl.coll.CollationRootElements

public final class CollationRootElements
extends Object

Container and access methods for collation elements and weights that occur in the root collator. Needed for finding boundaries for building a tailoring. This class takes and returns 16-bit secondary and tertiary weights.

Field Summary

Fields

Modifier and Type	Field	Description
static int	IX_FIRST_TERTIARY_INDEX	Index of the first CE with a non-zero tertiary weight.
static long	PRIMARY_SENTINEL	Higher than any root primary.
static int	PRIMARY_STEP_MASK	Mask for getting the primary range step value from a primary-range-end element.
static int	SEC_TER_DELTA_FLAG	Flag in a root element, set if the element contains secondary & tertiary weights, rather than a primary.

Constructor Summary

Constructors

Constructor	Description
CollationRootElements(long[] rootElements)

Method Summary

Modifier and Type	Method	Description
int	getLastCommonSecondary()	Returns the last common secondary weight.
int	getSecondaryBoundary()	Returns the boundary between secondary weights of primary CEs and those of secondary CEs.
int	getTertiaryBoundary()	Returns the boundary between tertiary weights of primary/secondary CEs and those of tertiary CEs.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PRIMARY_SENTINEL

public static final long PRIMARY_SENTINEL

Higher than any root primary.

See Also:

Constant Field Values

SEC_TER_DELTA_FLAG

public static final int SEC_TER_DELTA_FLAG

Flag in a root element, set if the element contains secondary & tertiary weights, rather than a primary.

See Also:

Constant Field Values

PRIMARY_STEP_MASK

public static final int PRIMARY_STEP_MASK

Mask for getting the primary range step value from a primary-range-end element.

See Also:

Constant Field Values

IX_FIRST_TERTIARY_INDEX

public static final int IX_FIRST_TERTIARY_INDEX

Index of the first CE with a non-zero tertiary weight. Same as the start of the compact root elements table.

See Also:

Constant Field Values

Constructor Detail

CollationRootElements

public CollationRootElements(long[] rootElements)

Method Detail

getTertiaryBoundary

public int getTertiaryBoundary()

Returns the boundary between tertiary weights of primary/secondary CEs and those of tertiary CEs. This is the upper limit for tertiaries of primary/secondary CEs. This minus one is the lower limit for tertiaries of tertiary CEs.

getLastCommonSecondary

public int getLastCommonSecondary()

Returns the last common secondary weight. This is the lower limit for secondaries of primary CEs.

getSecondaryBoundary

public int getSecondaryBoundary()

Returns the boundary between secondary weights of primary CEs and those of secondary CEs. This is the upper limit for secondaries of primary CEs. This minus one is the lower limit for secondaries of secondary CEs.