org.tentackle.model.impl

Class IndexImpl

java.lang.Object

org.tentackle.model.impl.IndexImpl

All Implemented Interfaces:

Index, ModelElement

public class IndexImpl
extends Object
implements Index

Index descriptor.

Author:

harald

Constructor Summary

Constructors

Constructor and Description
IndexImpl(EntityFactoryImpl factory, Entity entity, SourceInfo sourceInfo) Creates an index.

Method Summary

Modifier and Type	Method and Description
String	createDatabaseIndexName(Entity entity) Creates the database index name for given entity.
ModelException	createModelException(String message) Creates a model exception.
List<IndexAttribute>	getAttributes() Gets the index attributes.
String	getComment() Gets the comment.
Entity	getEntity() Gets the entity this index belongs to.
String	getFilterCondition() Gets the optional filter condition.
String	getName() Gets the name of the element.
ModelElement	getParent() Gets the parent element.
SourceInfo	getSourceInfo() Gets the information about the source where this element is defined.
ConfigurationLine	getSourceLine() Gets the source line.
boolean	isParsed() Returns whether index is already parsed. Indexes are parsed delayed because some attributes may be added later when the whole model is known.
boolean	isUnique() Returns whether the index is unique.
void	parse(Entity entity) Parses a configuration line.
void	setComment(String comment)
void	setFilterCondition(String filterCondition)
void	setName(String name)
void	setSourceLine(ConfigurationLine sourceLine) Sets the source line.
void	setUnique(boolean unique)
String	sqlCreateIndex(Backend backend, Entity entity) Creates the index creation sql code.
String	toString()
void	validate() Validates the index.

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexImpl

public IndexImpl(EntityFactoryImpl factory,
                 Entity entity,
                 SourceInfo sourceInfo)

Creates an index.

Parameters:

factory - the factory to create indexes

entity - the entity this index belongs to

sourceInfo - the source info

Method Detail

getEntity

public Entity getEntity()

Description copied from interface: Index

Gets the entity this index belongs to.

Specified by:

getEntity in interface Index

Returns:

the entity

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

parse

public void parse(Entity entity)
           throws ModelException

Parses a configuration line.

Parameters:

entity - the entity

Throws:

ModelException - if parsing the model failed

getName

public String getName()

Description copied from interface: ModelElement

Gets the name of the element.

Specified by:

getName in interface ModelElement

Returns:

the name

createDatabaseIndexName

public String createDatabaseIndexName(Entity entity)

Description copied from interface: Index

Creates the database index name for given entity.

Specified by:

createDatabaseIndexName in interface Index

Parameters:

entity - the entity

Returns:

the effective sql name

getComment

public String getComment()

Description copied from interface: Index

Gets the comment.

Specified by:

getComment in interface Index

Returns:

the comment

isUnique

public boolean isUnique()

Description copied from interface: Index

Returns whether the index is unique.

Specified by:

isUnique in interface Index

Returns:

true if unique, else non-unique

getFilterCondition

public String getFilterCondition()

Description copied from interface: Index

Gets the optional filter condition.

Specified by:

getFilterCondition in interface Index

Returns:

the condition, null if none

getAttributes

public List<IndexAttribute> getAttributes()

Description copied from interface: Index

Gets the index attributes.

Specified by:

getAttributes in interface Index

Returns:

the attributes

setName

public void setName(String name)

setComment

public void setComment(String comment)

setUnique

public void setUnique(boolean unique)

setFilterCondition

public void setFilterCondition(String filterCondition)

toString

public String toString()

Overrides:

toString in class Object

isParsed

public boolean isParsed()

Returns whether index is already parsed.
Indexes are parsed delayed because some attributes may be added later when the whole model is known.

Returns:

true if parsed

validate

public void validate()
              throws ModelException

Description copied from interface: Index

Validates the index.

Specified by:

validate in interface Index

Throws:

ModelException - if validation failed

getSourceLine

public ConfigurationLine getSourceLine()

Gets the source line.

Returns:

the line

setSourceLine

public void setSourceLine(ConfigurationLine 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

sqlCreateIndex

public String sqlCreateIndex(Backend backend,
                             Entity entity)

Description copied from interface: Index

Creates the index creation sql code.

Specified by:

sqlCreateIndex in interface Index

Parameters:

backend - the backend to create sql code for

entity - the entity to create the index for

Returns:

the SQL code