All Superinterfaces:

AutoCloseable
```
public interface ColumnFamilyManager
extends AutoCloseable
```
Interface used to interact with the persistence context to ColumnEntity The ColumnFamilyManager API is used to create and remove persistent ColumnEntity instances, to select entities by their primary key, and to select over entities.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`close()`	closes a resource
`long`	`count(String columnFamily)`	Returns the number of elements from column family
`void`	`delete(ColumnDeleteQuery query)`	Deletes an entity
`ColumnEntity`	`insert(ColumnEntity entity)`	Saves a Column family entity
`ColumnEntity`	`insert(ColumnEntity entity, Duration ttl)`	Saves a Column family entity with time to live
`Iterable<ColumnEntity>`	`insert(Iterable<ColumnEntity> entities)`	Saves a Column family entities, by default it's just run for each saving using `insert(ColumnEntity)`, each NoSQL vendor might replace to a more appropriate one.
`Iterable<ColumnEntity>`	`insert(Iterable<ColumnEntity> entities, Duration ttl)`	Saves a Column family entity with time to live, by default it's just run for each saving using `insert(ColumnEntity, Duration)`, each NoSQL vendor might replace to a more appropriate one.
`default ColumnPreparedStatement`	`prepare(String query)`	Executes a query and returns the result, when the operations are insert, update and select command it will return the result of the operation when the command is delete it will return an empty collection.
`default Stream<ColumnEntity>`	`query(String query)`	Executes a query and returns the result, when the operations are insert, update and select command it will return the result of the operation when the command is delete it will return an empty collection.
`Stream<ColumnEntity>`	`select(ColumnQuery query)`	Finds `ColumnEntity` from select
`default Optional<ColumnEntity>`	`singleResult(ColumnQuery query)`	Returns a single entity from select
`ColumnEntity`	`update(ColumnEntity entity)`	Updates a Column family entity
`Iterable<ColumnEntity>`	`update(Iterable<ColumnEntity> entities)`	Updates a Column family entities, by default it's just run for each saving using `update(ColumnEntity)`, each NoSQL vendor might replace to a more appropriate one.

- Method Detail
  - insert
```
ColumnEntity insert(ColumnEntity entity)
```
    Saves a Column family entity
    
    Parameters:
    
    entity - column family to be saved
    
    Returns:
    
    the entity saved
    
    Throws:
    
    NullPointerException - when entity is null
  - update
```
ColumnEntity update(ColumnEntity entity)
```
    Updates a Column family entity
    
    Parameters:
    
    entity - column family to be saved
    
    Returns:
    
    the entity saved
    
    Throws:
    
    NullPointerException - when entity is null
  - update
```
Iterable<ColumnEntity> update(Iterable<ColumnEntity> entities)
```
    Updates a Column family entities, by default it's just run for each saving using update(ColumnEntity), each NoSQL vendor might replace to a more appropriate one.
    
    Parameters:
    
    entities - column family to be saved
    
    Returns:
    
    the entity saved
    
    Throws:
    
    NullPointerException - when entities is null
  - insert
```
ColumnEntity insert(ColumnEntity entity,
                    Duration ttl)
```
    Saves a Column family entity with time to live
    
    Parameters:
    
    entity - column family to be saved
    
    ttl - time to live
    
    Returns:
    
    the entity saved
    
    Throws:
    
    NullPointerException - when either entity or ttl are null
    
    UnsupportedOperationException - when the database does not support this feature
  - insert
```
Iterable<ColumnEntity> insert(Iterable<ColumnEntity> entities)
```
    Saves a Column family entities, by default it's just run for each saving using insert(ColumnEntity), each NoSQL vendor might replace to a more appropriate one.
    
    Parameters:
    
    entities - column family to be saved
    
    Returns:
    
    the entity saved
    
    Throws:
    
    NullPointerException - when entities is null
  - insert
```
Iterable<ColumnEntity> insert(Iterable<ColumnEntity> entities,
                              Duration ttl)
```
    Saves a Column family entity with time to live, by default it's just run for each saving using insert(ColumnEntity, Duration), each NoSQL vendor might replace to a more appropriate one.
    
    Parameters:
    
    entities - column family to be saved
    
    ttl - time to live
    
    Returns:
    
    the entity saved
    
    Throws:
    
    NullPointerException - when either entity or ttl are null
    
    UnsupportedOperationException - when the database does not support this feature
  - delete
```
void delete(ColumnDeleteQuery query)
```
    Deletes an entity
    
    Parameters:
    
    query - the select to delete an entity
    
    Throws:
    
    NullPointerException - when either select or collection are null
    
    UnsupportedOperationException - if the implementation does not support any operation that a query has.
  - select
```
Stream<ColumnEntity> select(ColumnQuery query)
```
    Finds ColumnEntity from select
    
    Parameters:
    
    query - - select to figure out entities
    
    Returns:
    
    entities found by select
    
    Throws:
    
    NullPointerException - when select is null
    
    UnsupportedOperationException - if the implementation does not support any operation that a query has.
  - query
```
default Stream<ColumnEntity> query(String query)
```
    Executes a query and returns the result, when the operations are insert, update and select command it will return the result of the operation when the command is delete it will return an empty collection.
    
    Parameters:
    
    query - the query as String
    
    Returns:
    
    the result of the operation if delete it will always return an empty list
    
    Throws:
    
    NullPointerException - when there is parameter null
    
    IllegalArgumentException - when the query has value parameters
    
    IllegalStateException - when there is not ColumnQueryParser
    
    QueryException - when there is error in the syntax
  - prepare
```
default ColumnPreparedStatement prepare(String query)
```
    Executes a query and returns the result, when the operations are insert, update and select command it will return the result of the operation when the command is delete it will return an empty collection.
    
    Parameters:
    
    query - the query as String
    
    Returns:
    
    a ColumnPreparedStatement instance
    
    Throws:
    
    NullPointerException - when there is parameter null
    
    IllegalStateException - when there is not ColumnQueryParser
    
    QueryException - when there is error in the syntax
  - singleResult
```
default Optional<ColumnEntity> singleResult(ColumnQuery query)
```
    Returns a single entity from select
    
    Parameters:
    
    query - - select to figure out entities
    
    Returns:
    
    an entity on Optional or Optional.empty() when the result is not found.
    
    Throws:
    
    NonUniqueResultException - when the result has more than one entity
    
    NullPointerException - when select is null
    
    UnsupportedOperationException - if the implementation does not support any operation that a query has.
  - count
```
long count(String columnFamily)
```
    Returns the number of elements from column family
    
    Parameters:
    
    columnFamily - the column family
    
    Returns:
    
    the number of elements
    
    Throws:
    
    NullPointerException - when column family is null
    
    UnsupportedOperationException - when the database dot not have support
  - close
```
void close()
```
    closes a resource
    
    Specified by:
    
    close in interface AutoCloseable

Interface ColumnFamilyManager

Method Summary

Method Detail

insert

update

update

insert

insert

insert

delete

select

query

prepare

singleResult

count

close