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## org.hibernate.persister.entity
Class SingleTableEntityPersister

    java.lang.Object
      org.hibernate.persister.entity.AbstractEntityPersister
          org.hibernate.persister.entity.SingleTableEntityPersister

All Implemented Interfaces:
  OptimisticCacheSource, PostInsertIdentityPersister, LazyPropertyInitializer, ClassMetadata, EntityPersister, Joinable, Loadable, Lockable, OuterJoinLoadable, PropertyMapping, Queryable, SQLLoadable, UniqueKeyLoadable

    public class SingleTableEntityPersister

extends AbstractEntityPersister

The default implementation of the `EntityPersister` interface. Implements the "table-per-class-hierarchy" or "roll-up" mapping strategy for an entity class and its inheritence hierarchy. This is implemented as a single table holding all classes in the hierarchy with a discrimator column used to determine which concrete class is referenced.

Author:
  Gavin King

Nested Class Summary

Nested classes/interfaces inherited from class org.hibernate.persister.entity.AbstractEntityPersister
`AbstractEntityPersister.InclusionChecker`

Nested classes/interfaces inherited from interface org.hibernate.persister.entity.Queryable
`Queryable.Declarer`

Field Summary

Fields inherited from class org.hibernate.persister.entity.AbstractEntityPersister
`customSQLDelete, customSQLInsert, customSQLUpdate, deleteCallable, deleteResultCheckStyles, ENTITY_CLASS, insertCallable, insertResultCheckStyles, propertyMapping, rowIdName, updateCallable, updateResultCheckStyles`

Fields inherited from interface org.hibernate.persister.entity.Loadable
`ROWID_ALIAS`

Fields inherited from interface org.hibernate.persister.entity.EntityPersister
`ENTITY_ID`

Fields inherited from interface org.hibernate.persister.entity.Loadable
`ROWID_ALIAS`

Fields inherited from interface org.hibernate.persister.entity.EntityPersister
`ENTITY_ID`

Fields inherited from interface org.hibernate.persister.entity.Loadable
`ROWID_ALIAS`

Fields inherited from interface org.hibernate.persister.entity.EntityPersister
`ENTITY_ID`

Fields inherited from interface org.hibernate.persister.entity.Loadable
`ROWID_ALIAS`

Fields inherited from interface org.hibernate.persister.entity.EntityPersister
`ENTITY_ID`

Fields inherited from interface org.hibernate.intercept.LazyPropertyInitializer
`UNFETCHED_PROPERTY`

Constructor Summary
`SingleTableEntityPersister(PersistentClass persistentClass, CacheConcurrencyStrategy cache, SessionFactoryImplementor factory, Mapping mapping)`

Method Summary
`protected void` | `addDiscriminatorToInsert(Insert insert)`
`protected void` | `addDiscriminatorToSelect(SelectFragment select, String name, String suffix)`
`String` | `filterFragment(String alias)`
`String` | `fromTableFragment(String name)` Get the main from table fragment, given a query alias.
`String[]` | `getConstraintOrderedTableNameClosure()` Get the names of all tables used in the hierarchy (up and down) ordered such that deletes in the given order would not cause contraint violations.
`String[][]` | `getContraintOrderedTableKeyColumnClosure()` For each table specified in `Queryable.getConstraintOrderedTableNameClosure()`, get the columns that define the key between the various hierarchy classes.
`protected String` | `getDiscriminatorAlias()`
`String` | `getDiscriminatorColumnName()`
`protected String` | `getDiscriminatorFormula()`
`protected String` | `getDiscriminatorFormulaTemplate()`
`String` | `getDiscriminatorSQLValue()` Get the discriminator value for this particular concrete subclass, as a string that may be embedded in a select statement
`Type` | `getDiscriminatorType()` Get the discriminator type
`protected String[]` | `getKeyColumns(int j)`
`Serializable[]` | `getPropertySpaces()` Returns an array of objects that identify spaces in which properties of this entity are persisted, for instances of this class only.
`String` | `getPropertyTableName(String propertyName)` Get the table name for the given property path
`protected int[]` | `getPropertyTableNumbers()`
`protected int[]` | `getPropertyTableNumbersInSelect()`
`protected String` | `getSequentialSelect(String entityName)`
`String[]` | `getSubclassClosure()`
`protected int[]` | `getSubclassColumnTableNumberClosure()`
`String` | `getSubclassForDiscriminatorValue(Object value)` Get the concrete subclass corresponding to the given discriminator value
`protected int[]` | `getSubclassFormulaTableNumberClosure()`
`String` | `getSubclassPropertyTableName(int i)` Return the table name used to persist the numbered property of the class or a subclass.
`protected int` | `getSubclassPropertyTableNumber(int i)`
`protected String[]` | `getSubclassTableKeyColumns(int j)`
`String` | `getSubclassTableName(int j)` Get the name of the table with the given index from the internal array.
`int` | `getSubclassTableSpan()`
`String` | `getTableName()` The table to join to.
`protected String` | `getTableName(int j)`
`int` | `getTableSpan()`
`boolean` | `hasSequentialSelect()`
`protected boolean` | `isClassOrSuperclassTable(int j)`
`protected boolean` | `isDiscriminatorFormula()`
`protected boolean` | `isInverseSubclassTable(int j)`
`protected boolean` | `isInverseTable(int j)`
`boolean` | `isMultiTable()` Is the inheritence hierarchy described by this persister contained across multiple tables?
`protected boolean` | `isNullableSubclassTable(int j)`
`protected boolean` | `isNullableTable(int j)`
`protected boolean` | `isPropertyOfTable(int property, int j)`
`protected boolean` | `isSubclassPropertyDeferred(String propertyName, String entityName)`
`protected boolean` | `isSubclassTableLazy(int j)`
`protected boolean` | `isSubclassTableSequentialSelect(int j)`
`protected boolean` | `isTableCascadeDeleteEnabled(int j)`
`String` | `oneToManyFilterFragment(String alias)`
`void` | `postInstantiate()` Finish the initialization of this object.

Methods inherited from class org.hibernate.persister.entity.AbstractEntityPersister
`afterInitialize, afterReassociate, canExtractIdOutOfEntity, check, concretePropertySelectFragment, concretePropertySelectFragment, concretePropertySelectFragment, concretePropertySelectFragmentSansLeadingComma, consumesCollectionAlias, consumesEntityAlias, countSubclassProperties, createEntityLoader, createEntityLoader, createFrom, createJoin, createJoin, createProxy, createQueryLoader, createSelect, createUniqueKeyLoaders, createWhereByKey, dehydrate, dehydrate, delete, delete, filterFragment, findDirty, findModified, forceVersionIncrement, fromJoinFragment, generateDeleteString, generateFilterConditionAlias, generateIdentityInsertString, generateInsertGeneratedValuesSelectString, generateInsertString, generateInsertString, generateInsertString, generateLazySelectString, generateLocker, generateSelectVersionString, generateSnapshotSelectString, generateTableAlias, generateUpdateGeneratedValuesSelectString, generateUpdateString, generateUpdateString, getCache, getCacheEntryStructure, getCascadeStyle, getClassMetadata, getConcreteProxyClass, getCurrentVersion, getDatabaseSnapshot, getDiscriminatorAlias, getEntityMetamodel, getEntityName, getEntityType, getFactory, getFetchMode, getIdentifier, getIdentifierAliases, getIdentifierAliases, getIdentifierColumnNames, getIdentifierColumnSpan, getIdentifierGenerator, getIdentifierPropertyName, getIdentifierType, getIdentitySelectString, getKeyColumnNames, getLazyProperties, getMappedClass, getMappedSuperclass, getName, getNaturalIdentifierProperties, getNaturalIdentifierSnapshot, getNonLazyPropertyUpdateability, getPropertiesToInsert, getPropertiesToUpdate, getPropertyAliases, getPropertyCascadeStyles, getPropertyCheckability, getPropertyColumnNames, getPropertyColumnNames, getPropertyColumnSpan, getPropertyIndex, getPropertyInsertability, getPropertyInsertGenerationInclusions, getPropertyLaziness, getPropertyNames, getPropertyNullability, getPropertySpan, getPropertySubclassNames, getPropertyType, getPropertyTypes, getPropertyUpdateability, getPropertyUpdateability, getPropertyUpdateGenerationInclusions, getPropertyValue, getPropertyValue, getPropertyValues, getPropertyValuesToInsert, getPropertyVersionability, getQuerySpaces, getRootEntityName, getRootTableAlias, getRootTableIdentifierColumnNames, getRootTableKeyColumnNames, getRootTableName, getSelectByUniqueKeyString, getSQLDeleteStrings, getSQLIdentityInsertString, getSQLInsertStrings, getSQLLazySelectString, getSQLLazyUpdateByRowIdStrings, getSQLLazyUpdateStrings, getSQLSnapshotSelectString, getSQLUpdateByRowIdStrings, getSQLUpdateStrings, getSQLWhereString, getSubclassColumnAliasClosure, getSubclassColumnClosure, getSubclassColumnLazyiness, getSubclassEntityPersister, getSubclassFormulaAliasClosure, getSubclassFormulaClosure, getSubclassFormulaLazyiness, getSubclassFormulaTemplateClosure, getSubclassPropertyColumnAliases, getSubclassPropertyColumnNameClosure, getSubclassPropertyColumnNames, getSubclassPropertyColumnNames, getSubclassPropertyDeclarer, getSubclassPropertyFormulaTemplateClosure, getSubclassPropertyName, getSubclassPropertyNameClosure, getSubclassPropertySubclassNameClosure, getSubclassPropertyTableNumber, getSubclassPropertyType, getSubclassPropertyTypeClosure, getTableUpdateNeeded, getTemporaryIdTableDDL, getTemporaryIdTableName, getTuplizer, getTuplizer, getType, getVersion, getVersionColumnName, getVersionComparator, getVersionedTableName, getVersionProperty, getVersionSelectString, getVersionType, guessEntityMode, hasCache, hasCascades, hasCollections, hasEmbeddedCompositeIdentifier, hasFormulaProperties, hasIdentifierProperty, hasInsertGeneratedProperties, hasLazyProperties, hasMutableProperties, hasNaturalIdentifier, hasProxy, hasRowId, hasSubclasses, hasSubselectLoadableCollections, hasUninitializedLazyProperties, hasUpdateGeneratedProperties, hasWhere, hydrate, identifierSelectFragment, implementsLifecycle, implementsValidatable, initializeLazyProperty, initLockers, initPropertyPaths, initSubclassPropertyAliasesMap, insert, insert, insert, insert, instantiate, isAbstract, isBatchable, isBatchLoadable, isCacheInvalidationRequired, isCollection, isDefinedOnSubclass, isDeleteCallable, isExplicitPolymorphism, isIdentifierAssignedByInsert, isInherited, isInsertCallable, isInstance, isInstrumented, isLazyPropertiesCacheable, isMutable, isPolymorphic, isSelectBeforeUpdateRequired, isSubclassEntityName, isSubclassPropertyNullable, isTransient, isUpdateCallable, isVersioned, isVersionPropertyGenerated, isVersionPropertyInsertable, load, loadByUniqueKey, lock, logStaticSQL, optimisticLockMode, postConstruct, processInsertGeneratedProperties, processUpdateGeneratedProperties, propertySelectFragment, renderSelect, resetIdentifier, selectFragment, selectFragment, setIdentifier, setPropertyValue, setPropertyValue, setPropertyValues, toColumns, toColumns, toColumns, toString, toType, update, update, updateOrInsert, useDynamicInsert, useDynamicUpdate, useGetGeneratedKeys, useInsertSelectIdentity, whereJoinFragment`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### SingleTableEntityPersister

    public SingleTableEntityPersister(PersistentClass persistentClass,
                                      CacheConcurrencyStrategy cache,
                                      SessionFactoryImplementor factory,
                                      Mapping mapping)
                               throws HibernateException

Throws:
  `HibernateException`

Method Detail

### isInverseTable

    protected boolean isInverseTable(int j)

  Overrides:
    `isInverseTable` in class `AbstractEntityPersister`

### isInverseSubclassTable

    protected boolean isInverseSubclassTable(int j)

  Overrides:
    `isInverseSubclassTable` in class `AbstractEntityPersister`

### getDiscriminatorColumnName

    public String getDiscriminatorColumnName()

  Specified by:
    `getDiscriminatorColumnName` in interface `Loadable`
  Overrides:
    `getDiscriminatorColumnName` in class `AbstractEntityPersister`
  Returns:
    the column name for the discriminator as specified in the mapping.

### getDiscriminatorAlias

    protected String getDiscriminatorAlias()

  Overrides:
    `getDiscriminatorAlias` in class `AbstractEntityPersister`

### getDiscriminatorFormulaTemplate

    protected String getDiscriminatorFormulaTemplate()

  Overrides:
    `getDiscriminatorFormulaTemplate` in class `AbstractEntityPersister`

### getTableName

    public String getTableName()

  Description copied from interface: `Joinable`
  The table to join to.

### getDiscriminatorType

    public Type getDiscriminatorType()

  Description copied from interface: `Loadable`
  Get the discriminator type

### getDiscriminatorSQLValue

    public String getDiscriminatorSQLValue()

  Description copied from interface: `Queryable`
  Get the discriminator value for this particular concrete subclass, as a string that may be embedded in a select statement

### getSubclassClosure

    public String[] getSubclassClosure()

### getSubclassForDiscriminatorValue

    public String getSubclassForDiscriminatorValue(Object value)

  Description copied from interface: `Loadable`
  Get the concrete subclass corresponding to the given discriminator value

### getPropertySpaces

    public Serializable[] getPropertySpaces()

  Description copied from interface: `EntityPersister`
  Returns an array of objects that identify spaces in which properties of this entity are persisted, for instances of this class only.

  For most implementations, this returns the complete set of table names to which instances of the mapped entity are persisted (not accounting for superclass entity mappings).

  Returns:
    The property spaces.

### isDiscriminatorFormula

    protected boolean isDiscriminatorFormula()

### getDiscriminatorFormula

    protected String getDiscriminatorFormula()

### getTableName

    protected String getTableName(int j)

  Specified by:
    `getTableName` in class `AbstractEntityPersister`

### getKeyColumns

    protected String[] getKeyColumns(int j)

  Specified by:
    `getKeyColumns` in class `AbstractEntityPersister`

### isTableCascadeDeleteEnabled

    protected boolean isTableCascadeDeleteEnabled(int j)

  Specified by:
    `isTableCascadeDeleteEnabled` in class `AbstractEntityPersister`

### isPropertyOfTable

    protected boolean isPropertyOfTable(int property,
                                        int j)

  Specified by:
    `isPropertyOfTable` in class `AbstractEntityPersister`

### isSubclassTableSequentialSelect

    protected boolean isSubclassTableSequentialSelect(int j)

  Overrides:
    `isSubclassTableSequentialSelect` in class `AbstractEntityPersister`

### fromTableFragment

    public String fromTableFragment(String name)

  Description copied from interface: `OuterJoinLoadable`
  Get the main from table fragment, given a query alias.

### filterFragment

    public String filterFragment(String alias)
                          throws MappingException

  Specified by:
    `filterFragment` in class `AbstractEntityPersister`
  Throws:
    `MappingException`

### oneToManyFilterFragment

    public String oneToManyFilterFragment(String alias)
                                   throws MappingException

  Specified by:
    `oneToManyFilterFragment` in interface `Joinable`
  Overrides:
    `oneToManyFilterFragment` in class `AbstractEntityPersister`
  Throws:
    `MappingException`

### getSubclassPropertyTableName

    public String getSubclassPropertyTableName(int i)

  Description copied from interface: `OuterJoinLoadable`
  Return the table name used to persist the numbered property of the class or a subclass.

### addDiscriminatorToSelect

    protected void addDiscriminatorToSelect(SelectFragment select,
                                            String name,
                                            String suffix)

  Overrides:
    `addDiscriminatorToSelect` in class `AbstractEntityPersister`

### getPropertyTableNumbersInSelect

    protected int[] getPropertyTableNumbersInSelect()

  Specified by:
    `getPropertyTableNumbersInSelect` in class `AbstractEntityPersister`

### getSubclassPropertyTableNumber

    protected int getSubclassPropertyTableNumber(int i)

  Specified by:
    `getSubclassPropertyTableNumber` in class `AbstractEntityPersister`

### getTableSpan

    public int getTableSpan()

  Specified by:
    `getTableSpan` in class `AbstractEntityPersister`

### addDiscriminatorToInsert

    protected void addDiscriminatorToInsert(Insert insert)

  Overrides:
    `addDiscriminatorToInsert` in class `AbstractEntityPersister`

### getSubclassColumnTableNumberClosure

    protected int[] getSubclassColumnTableNumberClosure()

  Specified by:
    `getSubclassColumnTableNumberClosure` in class `AbstractEntityPersister`

### getSubclassFormulaTableNumberClosure

    protected int[] getSubclassFormulaTableNumberClosure()

  Specified by:
    `getSubclassFormulaTableNumberClosure` in class `AbstractEntityPersister`

### getPropertyTableNumbers

    protected int[] getPropertyTableNumbers()

  Specified by:
    `getPropertyTableNumbers` in class `AbstractEntityPersister`

### isSubclassPropertyDeferred

    protected boolean isSubclassPropertyDeferred(String propertyName,
                                                 String entityName)

  Overrides:
    `isSubclassPropertyDeferred` in class `AbstractEntityPersister`

### hasSequentialSelect

    public boolean hasSequentialSelect()

  Overrides:
    `hasSequentialSelect` in class `AbstractEntityPersister`

### getSequentialSelect

    protected String getSequentialSelect(String entityName)

  Overrides:
    `getSequentialSelect` in class `AbstractEntityPersister`

### getSubclassTableKeyColumns

    protected String[] getSubclassTableKeyColumns(int j)

  Specified by:
    `getSubclassTableKeyColumns` in class `AbstractEntityPersister`

### getSubclassTableName

    public String getSubclassTableName(int j)

  Description copied from interface: `Queryable`
  Get the name of the table with the given index from the internal array.

  Specified by:
    `getSubclassTableName` in interface `Queryable`
  Specified by:
    `getSubclassTableName` in class `AbstractEntityPersister`
  Parameters:
    `j` - The index into the internal array.
  Returns:

### getSubclassTableSpan

    public int getSubclassTableSpan()

  Specified by:
    `getSubclassTableSpan` in class `AbstractEntityPersister`

### isClassOrSuperclassTable

    protected boolean isClassOrSuperclassTable(int j)

  Specified by:
    `isClassOrSuperclassTable` in class `AbstractEntityPersister`

### isSubclassTableLazy

    protected boolean isSubclassTableLazy(int j)

  Overrides:
    `isSubclassTableLazy` in class `AbstractEntityPersister`

### isNullableTable

    protected boolean isNullableTable(int j)

  Overrides:
    `isNullableTable` in class `AbstractEntityPersister`

### isNullableSubclassTable

    protected boolean isNullableSubclassTable(int j)

  Overrides:
    `isNullableSubclassTable` in class `AbstractEntityPersister`

### getPropertyTableName

    public String getPropertyTableName(String propertyName)

  Description copied from interface: `OuterJoinLoadable`
  Get the table name for the given property path

### postInstantiate

    public void postInstantiate()

  Description copied from interface: `EntityPersister`
  Finish the initialization of this object.

  Called only once per `SessionFactory` lifecycle, after all entity persisters have been instantiated.

  Specified by:
    `postInstantiate` in interface `EntityPersister`
  Overrides:
    `postInstantiate` in class `AbstractEntityPersister`

### isMultiTable

    public boolean isMultiTable()

  Description copied from interface: `Queryable`
  Is the inheritence hierarchy described by this persister contained across multiple tables?

  Specified by:
    `isMultiTable` in interface `Queryable`
  Overrides:
    `isMultiTable` in class `AbstractEntityPersister`
  Returns:
    True if the inheritence hierarchy is spread across multiple tables; false otherwise.

### getConstraintOrderedTableNameClosure

    public String[] getConstraintOrderedTableNameClosure()

  Description copied from interface: `Queryable`
  Get the names of all tables used in the hierarchy (up and down) ordered such that deletes in the given order would not cause contraint violations.

  Returns:
    The ordered array of table names.

### getContraintOrderedTableKeyColumnClosure

    public String[][] getContraintOrderedTableKeyColumnClosure()

  Description copied from interface: `Queryable`
  For each table specified in `Queryable.getConstraintOrderedTableNameClosure()`, get the columns that define the key between the various hierarchy classes.

  The first dimension here corresponds to the table indexes returned in `Queryable.getConstraintOrderedTableNameClosure()`.

  The second dimension should have the same length across all the elements in the first dimension. If not, that'd be a problem ;)

  Returns:

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