org.ujorm.orm.ao

Class IndexModelBuilder

java.lang.Object

org.ujorm.orm.ao.IndexModelBuilder

Direct Known Subclasses:

IndexModelOrderedBuilder

public class IndexModelBuilder
extends Object

The database index model builder. The builder sorts columns of the composite index according the natural order of Keys in the Ujo class
See the next example to create a composite index with two columns with a natural order:

   private static final String IDX_STATE_COUNT = "idx_state_count";
   private static final String IDX_COUNT = "idx_count";

   @Column(index = IDX_STATE_COUNT)
   public static final Key<XOrder, State> STATE = newKey();

   @Column(index = {IDX_STATE_COUNT, IDX_COUNT})
   public static final Key<XOrder, Integer> COUNT = newKey();
 

The builder class can be changed by the parameter MetaParams.INDEX_MODEL_BUILDER.

See Also:

IndexModelOrderedBuilder, MetaParams.INDEX_MODEL_BUILDER

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,MetaIndex>	mapIndex Map a MetaIndex for an index name (case insensitive)
protected MetaTable	metaTable MetaTable
protected SqlNameProvider	nameProvider SQL name provider

Constructor Summary

Constructors

Constructor and Description
IndexModelBuilder()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addColumnsToIndex() Add columns to index
protected void	addIndex(String indexName, MetaColumn column, boolean unique) Add the column model to the index model from the IndexMap according the index name (case insensitive)
Collection<MetaIndex>	getIndexModels() Returns all indexes of the current table
void	init(MetaTable metaTable) Initialize the object
protected Boolean	isExtendedIndexStrategy() Is an extended index naming strategy

Methods inherited from class java.lang.Object

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

Field Detail

metaTable

protected MetaTable metaTable

MetaTable

nameProvider

protected SqlNameProvider nameProvider

SQL name provider

mapIndex

protected Map<String,MetaIndex> mapIndex

Map a MetaIndex for an index name (case insensitive)

Constructor Detail

IndexModelBuilder

public IndexModelBuilder()

Method Detail

init

public void init(MetaTable metaTable)
          throws IllegalUjormException

Initialize the object

Throws:

IllegalUjormException

addIndex

protected void addIndex(String indexName,
            MetaColumn column,
            boolean unique)

Add the column model to the index model from the IndexMap according the index name (case insensitive)

Parameters:

indexName - Case sensitive index name

column - Column model

unique - Unique index request

getIndexModels

public Collection<MetaIndex> getIndexModels()

Returns all indexes of the current table

Returns:

Collection of the Index model

addColumnsToIndex

protected void addColumnsToIndex()

Add columns to index

isExtendedIndexStrategy

protected Boolean isExtendedIndexStrategy()

Is an extended index naming strategy

See Also:

MoreParams.EXTENTED_INDEX_NAME_STRATEGY