com.aspc.DBObj.Internal

Class LayerField

java.lang.Object

com.aspc.DBObj.Internal.LayerField

All Implemented Interfaces:

InterfaceSizeOf

Direct Known Subclasses:

LayerLinkedField

public class LayerField
extends java.lang.Object
implements InterfaceSizeOf

The field value for a record
PERFORMANCE: 40 bytes per LayerField in 32 bits Java. THREAD MODE: MULTI-THREADED shared but non-mutable MEMORY USAGE: 32 bytes + the size of the value

Since:

17 February 2002

Author:

Nigel Leck

Field Summary

Fields

Modifier and Type	Field and Description
DBField	field the field of this value
static java.util.concurrent.atomic.AtomicLong	SLOW_SEARCH_FIXUP_COUNT the count of slow search fix up.

Constructor Summary

Constructors

Constructor and Description
LayerField(DBField field, java.lang.Object fieldValue)

Method Summary

Modifier and Type	Method and Description
void	complete()
boolean	equals(java.lang.Object obj) is equal ?
GlobalKey	getGlobalKey() What does this field point to ?
long	getLinkedRowId() get the linked row id
java.lang.Object	getRawValue()
java.lang.Object	getValue()
int	hashCode() The hash code to use
static LayerField	make(DBField field, java.lang.Object fieldValue, long linkedRowId)
LayerField	recycle() recycle the layer field.
void	setRawValue(java.lang.Object value)
long	sizeOf() calculate the estimated size in bytes

Methods inherited from class java.lang.Object

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

Field Detail

SLOW_SEARCH_FIXUP_COUNT

public static final java.util.concurrent.atomic.AtomicLong SLOW_SEARCH_FIXUP_COUNT

the count of slow search fix up.

field

public final DBField field

the field of this value

Constructor Detail

LayerField

public LayerField(@Nonnull
                  DBField field,
                  @Nullable
                  java.lang.Object fieldValue)

Parameters:

field - The field

fieldValue -

Method Detail

sizeOf

@CheckReturnValue
 @Nonnegative
public long sizeOf()

calculate the estimated size in bytes

Specified by:

sizeOf in interface InterfaceSizeOf

Returns:

the estimated size

hashCode

@CheckReturnValue
public int hashCode()

The hash code to use

Overrides:

hashCode in class java.lang.Object

Returns:

the code

equals

@CheckReturnValue
public boolean equals(@Nullable
                                        java.lang.Object obj)

is equal ?

Overrides:

equals in class java.lang.Object

Parameters:

obj - object to check

Returns:

true if equal

make

@CheckReturnValue
 @Nonnull
public static LayerField make(@Nonnull
                                                          DBField field,
                                                          java.lang.Object fieldValue,
                                                          long linkedRowId)

Parameters:

field - The field

fieldValue -

linkedRowId -

Returns:

the value

getValue

@CheckReturnValue
 @Nullable
public java.lang.Object getValue()

Returns:

the value

recycle

@CheckReturnValue
 @Nonnull
public LayerField recycle()

recycle the layer field.

Returns:

the layer field.

complete

public void complete()

getRawValue

@CheckReturnValue
 @Nullable
public java.lang.Object getRawValue()

Returns:

the value

setRawValue

public void setRawValue(@Nullable
                        java.lang.Object value)

Parameters:

value - the value

getLinkedRowId

@CheckReturnValue
public long getLinkedRowId()

get the linked row id

Returns:

the row id

getGlobalKey

@CheckReturnValue
 @Nullable
public GlobalKey getGlobalKey()

What does this field point to ?

Returns:

the value