Package com.ibm.icu.impl.coll

Class UTF16CollationIterator

  • Direct Known Subclasses:
    FCDUTF16CollationIterator
    public class UTF16CollationIterator
extends CollationIterator
    UTF-16 collation element and character iterator. Handles normalized UTF-16 text, with length or NUL-terminated. Unnormalized text is handled by a subclass.

    • Field Detail

      • start

        protected int start

      • pos

        protected int pos

      • limit

        protected int limit

    • Method Detail

      • equals

        public boolean equals​(Object other)
        Description copied from class: Object
        Compares this instance with the specified object and indicates if they are equal. In order to be equal, o must represent the same object as this instance using a class-specific comparison. The general contract is that this comparison should be reflexive, symmetric, and transitive. Also, no object reference other than null is equal to null.

        The default implementation returns true only if this == o. See Writing a correct equals method if you intend implementing your own equals method.

        The general contract for the equals and Object.hashCode() methods is that if equals returns true for any two objects, then hashCode() must return the same value for these objects. This means that subclasses of Object usually override either both methods or neither of them.

        Overrides:
        equals in class CollationIterator
        Parameters:
        other - the object to compare this instance with.
        Returns:
        true if the specified object is equal to this Object; false otherwise.
        See Also:
        Object.hashCode()

      • hashCode

        public int hashCode()
        Description copied from class: Object
        Returns an integer hash code for this object. By contract, any two objects for which Object.equals(java.lang.Object) returns true must return the same hash code value. This means that subclasses of Object usually override both methods or neither method.

        Note that hash values must not change over time unless information used in equals comparisons also changes.

        See Writing a correct hashCode method if you intend implementing your own hashCode method.

        Overrides:
        hashCode in class Object
        Returns:
        this object's hash code.
        See Also:
        Object.equals(java.lang.Object)

      • resetToOffset

        public void resetToOffset​(int newOffset)
        Description copied from class: CollationIterator
        Resets the iterator state and sets the position to the specified offset. Subclasses must implement, and must call the parent class method, or CollationIterator.reset().
        Specified by:
        resetToOffset in class CollationIterator

      • setText

        public void setText​(boolean numeric,
                    CharSequence s,
                    int p)

      • nextCodePoint

        public int nextCodePoint()
        Description copied from class: CollationIterator
        Returns the next code point (with post-increment). Public for identical-level comparison and for testing.
        Specified by:
        nextCodePoint in class CollationIterator

      • previousCodePoint

        public int previousCodePoint()
        Description copied from class: CollationIterator
        Returns the previous code point (with pre-decrement). Public for identical-level comparison and for testing.
        Specified by:
        previousCodePoint in class CollationIterator

      • handleNextCE32

        protected long handleNextCE32()
        Description copied from class: CollationIterator
        Returns the next code point and its local CE32 value. Returns Collation.FALLBACK_CE32 at the end of the text (c<0) or when c's CE32 value is to be looked up in the base data (fallback). The code point is used for fallbacks, context and implicit weights. It is ignored when the returned CE32 is not special (e.g., FFFD_CE32). Returns the code point in bits 63..32 (signed) and the CE32 in bits 31..0.
        Overrides:
        handleNextCE32 in class CollationIterator

      • handleGetTrailSurrogate

        protected char handleGetTrailSurrogate()
        Description copied from class: CollationIterator
        Called when handleNextCE32() returns a LEAD_SURROGATE_TAG for a lead surrogate code unit. Returns the trail surrogate in that case and advances past it, if a trail surrogate follows the lead surrogate. Otherwise returns any other code unit and does not advance.
        Overrides:
        handleGetTrailSurrogate in class CollationIterator