Package com.db4o.internal.handlers

Class DoubleHandler

java.lang.Object

com.db4o.internal.handlers.PrimitiveHandler

com.db4o.internal.handlers.LongHandler

com.db4o.internal.handlers.DoubleHandler

All Implemented Interfaces:

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

Direct Known Subclasses:

DoubleHandler0

public class DoubleHandler
extends LongHandler

Field Summary

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

_classReflector

Constructor Summary

Constructors

Constructor	Description
DoubleHandler()

Method Summary

Modifier and Type	Method	Description
java.lang.Object	coerce(ReflectClass claxx, java.lang.Object obj)
java.lang.Object	defaultValue()
PreparedComparison	internalPrepareComparison(java.lang.Object source)
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.
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 a_object, ByteArrayBuffer a_bytes)

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

compare, linkLength, readLong, writeLong

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

DoubleHandler

public DoubleHandler()

Method Detail

coerce

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

Overrides:

coerce in class LongHandler

defaultValue

public java.lang.Object defaultValue()

Overrides:

defaultValue in class LongHandler

primitiveJavaClass

public java.lang.Class primitiveJavaClass()

Overrides:

primitiveJavaClass in class LongHandler

read

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

Overrides:

read in class LongHandler

Throws:

CorruptionException

write

public void write(java.lang.Object a_object,
                  ByteArrayBuffer a_bytes)

Overrides:

write in class LongHandler

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 LongHandler

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 LongHandler

obj - the object

internalPrepareComparison

public PreparedComparison internalPrepareComparison(java.lang.Object source)

Overrides:

internalPrepareComparison in class LongHandler