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java.lang.Objectjava.text.CollationKey
public class CollationKey
This class represents a pre-computed series of bits representing a
String
for under a particular Collator
. This
value may be compared bitwise against another CollationKey
representing a different String
under the same
Collator
in a manner than is usually more efficient than
using the raw Collator
compare methods. There is overhead
associated with calculating this value, so it is generally not
advisable to compute CollationKey
's unless multiple
comparisons against a String
will be done. (For example,
in a sort routine).
This class cannot be instantiated directly. Instead, a
CollationKey
is created by calling the
getCollationKey
method on an instance of Collator
.
Method Summary | |
---|---|
int |
compareTo(CollationKey ck)
This method compares the specified object to this one. |
boolean |
equals(Object obj)
This method tests the specified Object for equality with
this object. |
String |
getSourceString()
This method returns the String that this object was created
from. |
int |
hashCode()
This method returns a hash value for this object. |
byte[] |
toByteArray()
This method returns the collation bit sequence as a byte array. |
Methods inherited from class java.lang.Object |
---|
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
---|
public int compareTo(CollationKey ck)
compareTo
in interface Comparable<CollationKey>
ck
- The CollationKey
to compare against this one.
public boolean equals(Object obj)
Object
for equality with
this object. This will be true if and only if:
null
CollationKey
.Collator
as this object.
equals
in class Object
obj
- The Object
to test for equality.
true
if the specified object is equal to this one, false
otherwise.Object.hashCode()
public String getSourceString()
String
that this object was created
from.
String
for this object.public int hashCode()
hashCode
in class Object
Object.equals(Object)
,
System.identityHashCode(Object)
public byte[] toByteArray()
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