org.openlowcode.server.data.storage

Class LargeBinaryStoredField

java.lang.Object

org.openlowcode.tools.misc.Named

org.openlowcode.server.data.storage.FieldSchema<E>

org.openlowcode.server.data.storage.StoredFieldSchema<SFile>

org.openlowcode.server.data.storage.LargeBinaryStoredField

All Implemented Interfaces:

NamedInterface

public class LargeBinaryStoredField
extends StoredFieldSchema<SFile>

A stored field to store a large binary file

Author:

Open Lowcode SAS

Nested Class Summary

Nested classes/interfaces inherited from class org.openlowcode.server.data.storage.StoredFieldSchema

StoredFieldSchema.Visitor

Constructor Summary

Constructors

Constructor and Description
LargeBinaryStoredField(java.lang.String name, StoredTableSchema parent) Constructor of the field with no maximum size specified
LargeBinaryStoredField(java.lang.String name, StoredTableSchema parent, int maxfilesize) Constructor of the field

Method Summary

Modifier and Type	Method and Description
void	accept(StoredFieldSchema.Visitor visitor) gateway for a visitor
QueryCondition	buildQueryCondition(QueryOperator<SFile> operator, SFile value) build a simple query condition with this field
SFile	castToType(java.lang.Object o)
SFile	defaultValue()
SFile	defaultValueAtColumnCreation() returns default value of the field
int	getMaxFileSize() the maximum file size, expressed in kilobytes, zero if the file size is unlimited
Field<SFile>	initBlankField() this method returns a subclass of Field appropriate for the field schema

Methods inherited from class org.openlowcode.server.data.storage.StoredFieldSchema

getParent

Methods inherited from class org.openlowcode.server.data.storage.FieldSchema

toString

Methods inherited from class org.openlowcode.tools.misc.Named

changeName, cleanName, equals, getName

Methods inherited from class java.lang.Object

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

Constructor Detail

LargeBinaryStoredField

public LargeBinaryStoredField(java.lang.String name,
                              StoredTableSchema parent,
                              int maxfilesize)

Constructor of the field

Parameters:

name - name of the field in the persistent storage database

parent - the table this field is part of

maxfilesize - maximum file size, expressed in kilobytes, zero if the file size is unlimited

LargeBinaryStoredField

public LargeBinaryStoredField(java.lang.String name,
                              StoredTableSchema parent)

Constructor of the field with no maximum size specified

Parameters:

name - name of the field in the persistent storage database

parent - the table this field is part of

Method Detail

getMaxFileSize

public int getMaxFileSize()

the maximum file size, expressed in kilobytes, zero if the file size is unlimited

Returns:

buildQueryCondition

public QueryCondition buildQueryCondition(QueryOperator<SFile> operator,
                                          SFile value)

Description copied from class: StoredFieldSchema

build a simple query condition with this field

Specified by:

buildQueryCondition in class StoredFieldSchema<SFile>

Parameters:

operator - condition operator '='

value - value of the query condition

Returns:

accept

public void accept(StoredFieldSchema.Visitor visitor)

Description copied from class: StoredFieldSchema

gateway for a visitor

Specified by:

accept in class StoredFieldSchema<SFile>

Parameters:

visitor - visitor

defaultValueAtColumnCreation

public SFile defaultValueAtColumnCreation()

Description copied from class: StoredFieldSchema

returns default value of the field

Specified by:

defaultValueAtColumnCreation in class StoredFieldSchema<SFile>

Returns:

the default value

defaultValue

public SFile defaultValue()

Specified by:

defaultValue in class StoredFieldSchema<SFile>

Returns:

the default value

castToType

public SFile castToType(java.lang.Object o)

Specified by:

castToType in class StoredFieldSchema<SFile>

Parameters:

o - an uncasted object

Returns:

the object casted to the actual class, if class not good, throws a RuntimeException

initBlankField

public Field<SFile> initBlankField()

Description copied from class: FieldSchema

this method returns a subclass of Field appropriate for the field schema

Specified by:

initBlankField in class FieldSchema<SFile>

Returns:

the generated field with the default value