com.h3c.util.persistence.cassandra.query

Class DeleteQueryWithFilter<F,C>

java.lang.Object

com.h3c.util.persistence.cassandra.query.DeleteQueryWithFilter<F,C>

Type Parameters:

F - Filter to delete

C - Type of context to execute the query.

All Implemented Interfaces:

WriteQuery<Long,C>

public class DeleteQueryWithFilter<F,C>
extends Object
implements WriteQuery<Long,C>

DeleteQueryWithFilter deletes entries which satisfying the filter condition from the database table.

Constructor Summary

Constructors

Constructor and Description
DeleteQueryWithFilter(F filter, Dao<?,?,?,F,?,C> dao) Query to Delete entries with filter.

Method Summary

Methods

Modifier and Type	Method and Description
Long	execute(C context) Execute the delete operation with Filter.

Methods inherited from class java.lang.Object

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

Constructor Detail

DeleteQueryWithFilter

public DeleteQueryWithFilter(F filter,
                     Dao<?,?,?,F,?,C> dao)

Query to Delete entries with filter.

Parameters:

filter - Filter to delete

dao - Dao used for Query execute.

Method Detail

execute

public Long execute(C context)
             throws Exception

Execute the delete operation with Filter.

Specified by:

execute in interface WriteQuery<Long,C>

Parameters:

context - Context to execute the query

Returns:

result of Delete operation.

Throws:

NullPointerException - In case of context is null.

Exception - Throws Exception in case of any error in query execute.