org.tentackle.model.impl

Class AttributeImpl

java.lang.Object

org.tentackle.model.impl.AttributeImpl

All Implemented Interfaces:

Comparable<AttributeImpl>, Attribute, ModelElement

public class AttributeImpl
extends Object
implements Attribute, Comparable<AttributeImpl>

Attribute implementation.

Author:

harald

Constructor Summary

Constructors

Constructor and Description
AttributeImpl(EntityFactoryImpl factory, Entity entity, SourceInfo sourceInfo, boolean implicit) Creates an attribute.

Method Summary

Modifier and Type	Method and Description
int	compareTo(AttributeImpl o)
ModelException	createModelException(String message) Creates a model exception.
boolean	equals(Object obj)
String	getApplicationType() Gets the application specific type.
String	getBindableAnnotation() Returns the @Bindable-annotation text.
String	getColumnName() Gets the database column name.
DataType	getDataType() Gets the data type.
DataType	getEffectiveType() Gets the effective type exposed to the backend. If this is an application specific type, the inner type will be returned.
Entity	getEntity() Gets the entity this attribute belongs to.
String	getGetterName() Gets the getter method name.
String	getInnerName() Returns the inner type.
DataType	getInnerType() Gets the innertype for application specific types.
String	getJavaType() Gets the java type. Returns the java type with optional generic info.
String	getMethodNameSuffix() Gets the suffix to be used in methodnames.
String	getName() Gets the name of the element.
AttributeOptionsImpl	getOptions() Gets the options.
ModelElement	getParent() Gets the parent element.
Relation	getRelation() Gets the associated relation.
Integer	getScale() Gets the scale for numbers with a fraction part.
int	getScaleWithDefault() Gets the scale width with default 0.
String	getSetterName() Gets the setter method name.
Integer	getSize() Gets the column width.
int	getSizeWithDefault() Gets the column width with default 0.
SourceInfo	getSourceInfo() Gets the information about the source where this element is defined.
AttributeLine	getSourceLine() Gets the source line.
int	hashCode()
boolean	isImplicit() Returns whether attribute is implicit and not result of an attribute line configuration.
boolean	isNullable() Returns whether database column is nullable.
void	parse(Entity entity, AttributeLine line) Parses an attribute line.
void	setApplicationType(String applicationType) Sets the application specific type. Only allowed DataType.APPLICATION.
void	setColumnName(String columnName)
void	setDataType(DataType dataType)
void	setInnerName(String innerType) Sets the inner type.
void	setName(String javaName)
void	setNullable(Boolean nullable) Overrides nullable feature.
void	setRelation(Relation relation)
void	setScale(Integer scale)
void	setSize(Integer size)
void	setSourceLine(AttributeLine sourceLine) Sets the source line.
String	toMethodArgument(String value) Conberts a given value string to a valid java method argument. Adds downcasts, if necessary.
String	toString()
void	validate() Validates the attribute.

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeImpl

public AttributeImpl(EntityFactoryImpl factory,
                     Entity entity,
                     SourceInfo sourceInfo,
                     boolean implicit)

Creates an attribute.

Parameters:

factory - the factory to create the attribute options

entity - the entity this attribute belongs to

sourceInfo - the source info

implicit - true if implicit attribute

Method Detail

getSourceInfo

public SourceInfo getSourceInfo()

Description copied from interface: ModelElement

Gets the information about the source where this element is defined.

Specified by:

getSourceInfo in interface ModelElement

Returns:

the source info

getParent

public ModelElement getParent()

Description copied from interface: ModelElement

Gets the parent element.

Specified by:

getParent in interface ModelElement

Returns:

the parent, null if none

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

compareTo

public int compareTo(AttributeImpl o)

Specified by:

compareTo in interface Comparable<AttributeImpl>

isImplicit

public boolean isImplicit()

Description copied from interface: Attribute

Returns whether attribute is implicit and not result of an attribute line configuration.

Specified by:

isImplicit in interface Attribute

Returns:

true if implicit

getEntity

public Entity getEntity()

Description copied from interface: Attribute

Gets the entity this attribute belongs to.

Specified by:

getEntity in interface Attribute

Returns:

the entity

parse

public void parse(Entity entity,
                  AttributeLine line)
           throws ModelException

Parses an attribute line.

Parameters:

entity - the entity

line - the source line

Throws:

ModelException - if parsing the model failed

setApplicationType

public void setApplicationType(String applicationType)
                        throws ModelException

Sets the application specific type.
Only allowed DataType.APPLICATION.

Parameters:

applicationType - the application specific type

Throws:

ModelException - if this is not DataType.APPLICATION

getApplicationType

public String getApplicationType()
                          throws ModelException

Gets the application specific type.

Specified by:

getApplicationType in interface Attribute

Returns:

the application specific type, never null or empty

Throws:

ModelException - if application specific type not set or this is not DataType.APPLICATION

setInnerName

public void setInnerName(String innerType)
                  throws ModelException

Sets the inner type.

Parameters:

innerType - the inner type

Throws:

ModelException - if this is neither DataType.APPLICATION nor DataType.BINARY

getInnerName

public String getInnerName()
                    throws ModelException

Returns the inner type.

Specified by:

getInnerName in interface Attribute

Returns:

the inner type, null if none (only if DataType.BINARY)

Throws:

ModelException - this is DataType.APPLICATION and inner type not set

getInnerType

public DataType getInnerType()
                      throws ModelException

Gets the innertype for application specific types.

Specified by:

getInnerType in interface Attribute

Returns:

the inner type to convert to agains the SQL backend

Throws:

ModelException - if not DataType.APPLICATION or innertype not a legal DataType.

getEffectiveType

public DataType getEffectiveType()
                          throws ModelException

Description copied from interface: Attribute

Gets the effective type exposed to the backend.
If this is an application specific type, the inner type will be returned.

Specified by:

getEffectiveType in interface Attribute

Returns:

the effective data type

Throws:

ModelException - if model garbeled

getJavaType

public String getJavaType()
                   throws ModelException

Gets the java type.
Returns the java type with optional generic info.

Examples:

  Date
  Binary<Invoice>
  MyType<int>
 

Specified by:

getJavaType in interface Attribute

Returns:

the type string

Throws:

ModelException - if type is misconfigured

getRelation

public Relation getRelation()

Description copied from interface: Attribute

Gets the associated relation.

Specified by:

getRelation in interface Attribute

Returns:

the relation, null if none

getName

public String getName()

Description copied from interface: ModelElement

Gets the name of the element.

Specified by:

getName in interface ModelElement

Returns:

the name

getColumnName

public String getColumnName()

Description copied from interface: Attribute

Gets the database column name.

Specified by:

getColumnName in interface Attribute

Returns:

the column name (always in lowercase)

getDataType

public DataType getDataType()

Description copied from interface: Attribute

Gets the data type.

Specified by:

getDataType in interface Attribute

Returns:

the java data type

getSize

public Integer getSize()

Description copied from interface: Attribute

Gets the column width.

For strings this is the maximum number of characters. For numerics this is only a hint for the GUI.

Specified by:

getSize in interface Attribute

Returns:

the size, null if not set

getSizeWithDefault

public int getSizeWithDefault()

Description copied from interface: Attribute

Gets the column width with default 0.

Specified by:

getSizeWithDefault in interface Attribute

Returns:

the column width or 0 if not set

getScale

public Integer getScale()

Description copied from interface: Attribute

Gets the scale for numbers with a fraction part.

Specified by:

getScale in interface Attribute

Returns:

the scale, null if not set

getScaleWithDefault

public int getScaleWithDefault()

Description copied from interface: Attribute

Gets the scale width with default 0.

Specified by:

getScaleWithDefault in interface Attribute

Returns:

the scale or 0 if not set

getOptions

public AttributeOptionsImpl getOptions()

Description copied from interface: Attribute

Gets the options.

Specified by:

getOptions in interface Attribute

Returns:

the options

setColumnName

public void setColumnName(String columnName)

setDataType

public void setDataType(DataType dataType)

setRelation

public void setRelation(Relation relation)

setName

public void setName(String javaName)

setScale

public void setScale(Integer scale)

setSize

public void setSize(Integer size)

isNullable

public boolean isNullable()
                   throws ModelException

Description copied from interface: Attribute

Returns whether database column is nullable.

Specified by:

isNullable in interface Attribute

Returns:

true if WITH NULL, false if NOT NULL

Throws:

ModelException - if type is misconfigured

setNullable

public void setNullable(Boolean nullable)

Overrides nullable feature.

Parameters:

nullable - null to determine from datatype

toString

public String toString()

Overrides:

toString in class Object

validate

public void validate()
              throws ModelException

Description copied from interface: Attribute

Validates the attribute.

Specified by:

validate in interface Attribute

Throws:

ModelException - if validation failed

getSourceLine

public AttributeLine getSourceLine()

Gets the source line.

Returns:

the line

setSourceLine

public void setSourceLine(AttributeLine sourceLine)

Sets the source line.

Parameters:

sourceLine - the line

createModelException

public ModelException createModelException(String message)

Creates a model exception.

Refers to the source line if set, otherwise just the message.

Parameters:

message - the message

Returns:

the exception

getMethodNameSuffix

public String getMethodNameSuffix()

Description copied from interface: Attribute

Gets the suffix to be used in methodnames.

Example:

 "set" + getMethodNameSuffix() would return "setBlah" if the javaName is "blah".
 

Specified by:

getMethodNameSuffix in interface Attribute

Returns:

the suffix

getGetterName

public String getGetterName()

Description copied from interface: Attribute

Gets the getter method name.

Specified by:

getGetterName in interface Attribute

Returns:

the getter

getSetterName

public String getSetterName()

Description copied from interface: Attribute

Gets the setter method name.

Specified by:

getSetterName in interface Attribute

Returns:

the setter

getBindableAnnotation

public String getBindableAnnotation()

Description copied from interface: Attribute

Returns the @Bindable-annotation text.

Specified by:

getBindableAnnotation in interface Attribute

Returns:

the annotation text, null if none

toMethodArgument

public String toMethodArgument(String value)

Description copied from interface: Attribute

Conberts a given value string to a valid java method argument.
Adds downcasts, if necessary.

Specified by:

toMethodArgument in interface Attribute

Parameters:

value - the value string

Returns:

the method argument string