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java.lang.Objectcom.sleepycat.bind.tuple.TupleBase<E>
com.sleepycat.bind.tuple.TupleBinding<Float>
com.sleepycat.bind.tuple.SortedFloatBinding
public class SortedFloatBinding
A concrete TupleBinding
for a Float
primitive
wrapper or a float
primitive.
This class produces byte array values that by default (without a custom
comparator) sort correctly, including sorting of negative values.
Therefore, this class should normally be used instead of FloatBinding
which does not by default support sorting of negative values.
Please note that:
FloatBinding
and
SortedFloatBinding
are different and incompatible. They are not
interchangeable once data has been stored.FloatBinding
, not SortedFloatBinding
, is
returned by TupleBinding.getPrimitiveBinding(java.lang.Class)
method. Therefore, to
use SortedFloatBinding
, TupleBinding.getPrimitiveBinding(java.lang.Class)
should not be called.There are two ways to use this class:
com.sleepycat.db
package directly, the static
methods in this class can be used to convert between primitive values and
DatabaseEntry
objects.com.sleepycat.collections
package, an instance of
this class can be used with any stored collection.
Constructor Summary | |
---|---|
SortedFloatBinding()
|
Method Summary | |
---|---|
static float |
entryToFloat(DatabaseEntry entry)
Converts an entry buffer into a simple float value. |
Float |
entryToObject(TupleInput input)
Constructs a key or data object from a TupleInput entry. |
static void |
floatToEntry(float val,
DatabaseEntry entry)
Converts a simple float value into an entry buffer. |
void |
objectToEntry(Float object,
TupleOutput output)
Converts a key or data object to a tuple entry. |
Methods inherited from class com.sleepycat.bind.tuple.TupleBinding |
---|
entryToObject, getPrimitiveBinding, objectToEntry |
Methods inherited from class com.sleepycat.bind.tuple.TupleBase |
---|
entryToInput, getTupleBufferSize, inputToEntry, newOutput, newOutput, outputToEntry, setTupleBufferSize |
Methods inherited from class java.lang.Object |
---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public SortedFloatBinding()
Method Detail |
---|
public Float entryToObject(TupleInput input)
TupleBinding
TupleInput
entry.
entryToObject
in class TupleBinding<Float>
input
- is the tuple key or data entry.
public void objectToEntry(Float object, TupleOutput output)
TupleBinding
objectToEntry
in class TupleBinding<Float>
object
- is the key or data object.output
- is the tuple entry to which the key or data should be
written.public static float entryToFloat(DatabaseEntry entry)
float
value.
entry
- is the source entry buffer.
public static void floatToEntry(float val, DatabaseEntry entry)
float
value into an entry buffer.
val
- is the source value.entry
- is the destination entry buffer.
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