Package com.db4o.internal.handlers

Class LongHandler

java.lang.Object

com.db4o.internal.handlers.PrimitiveHandler

com.db4o.internal.handlers.LongHandler

All Implemented Interfaces:

BuiltinTypeHandler, CanExcludeNullInQueries, Comparable4, Indexable4, IndexableTypeHandler, LinkLengthAware, QueryableTypeHandler, TypeHandler4, ValueTypeHandler

Direct Known Subclasses:

DateHandlerBase, DoubleHandler, LongHandler0

public class LongHandler
extends PrimitiveHandler

Field Summary

Fields inherited from class com.db4o.internal.handlers.PrimitiveHandler

_classReflector

Constructor Summary

Constructors

Constructor	Description
LongHandler()

Method Summary

Modifier and Type	Method	Description
java.lang.Object	coerce(ReflectClass claxx, java.lang.Object obj)
static int	compare(long first, long second)
java.lang.Object	defaultValue()
PreparedComparison	internalPrepareComparison(java.lang.Object source)
int	linkLength()
java.lang.Class	primitiveJavaClass()
java.lang.Object	read(MarshallerFamily mf, StatefulBuffer buffer, boolean redirect)
java.lang.Object	read(ReadContext context)	gets called when an value type is to be read from the database.
static long	readLong(ReadBuffer buffer)
void	write(WriteContext context, java.lang.Object obj)	gets called when an object is to be written to the database.
void	write(java.lang.Object obj, ByteArrayBuffer buffer)
static void	writeLong(WriteBuffer buffer, long val)

Methods inherited from class com.db4o.internal.handlers.PrimitiveHandler

classReflector, defragIndexEntry, defragment, delete, descendsIntoMembers, excludeNull, indexEntryToObject, javaClass, nullRepresentationInUntypedArrays, prepareComparison, primitiveClassReflector, primitiveMarshaller, primitiveNull, readIndexEntry, readIndexEntry, readIndexEntryFromObjectSlot, registerReflector, writeIndexEntry

Methods inherited from class java.lang.Object

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

Constructor Detail

LongHandler

public LongHandler()

Method Detail

coerce

public java.lang.Object coerce(ReflectClass claxx,
                               java.lang.Object obj)

Overrides:

coerce in class PrimitiveHandler

defaultValue

public java.lang.Object defaultValue()

Specified by:

defaultValue in class PrimitiveHandler

primitiveJavaClass

public java.lang.Class primitiveJavaClass()

Specified by:

primitiveJavaClass in class PrimitiveHandler

linkLength

public int linkLength()

Specified by:

linkLength in interface LinkLengthAware

Specified by:

linkLength in class PrimitiveHandler

read

public java.lang.Object read(MarshallerFamily mf,
                             StatefulBuffer buffer,
                             boolean redirect)
                      throws CorruptionException

Overrides:

read in class PrimitiveHandler

Throws:

CorruptionException

write

public void write(java.lang.Object obj,
                  ByteArrayBuffer buffer)

Specified by:

write in class PrimitiveHandler

writeLong

public static final void writeLong(WriteBuffer buffer,
                                   long val)

readLong

public static final long readLong(ReadBuffer buffer)

read

public java.lang.Object read(ReadContext context)

Description copied from interface: ValueTypeHandler

gets called when an value type is to be read from the database.

Specified by:

read in interface ValueTypeHandler

Overrides:

read in class PrimitiveHandler

Returns:

the read value type

write

public void write(WriteContext context,
                  java.lang.Object obj)

Description copied from interface: TypeHandler4

gets called when an object is to be written to the database.

Specified by:

write in interface TypeHandler4

Overrides:

write in class PrimitiveHandler

obj - the object

compare

public static int compare(long first,
                          long second)

internalPrepareComparison

public PreparedComparison internalPrepareComparison(java.lang.Object source)

Specified by:

internalPrepareComparison in class PrimitiveHandler