org.springframework.data.cassandra.core.cql

Class SimplePreparedStatementCreator

java.lang.Object

org.springframework.data.cassandra.core.cql.SimplePreparedStatementCreator

All Implemented Interfaces:

CqlProvider, PreparedStatementCreator

public class SimplePreparedStatementCreator
extends Object
implements PreparedStatementCreator, CqlProvider

Trivial implementation of PreparedStatementCreator. This prepared statement creator simply prepares a statement from the CQL string.

This implementation is useful for testing. It should not be used in production systems with high volume reads and writes. Use CachedPreparedStatementCreator When preparing statements with Cassandra, each Statement should be prepared once and only once due to the overhead of preparing the statement.

Author:

David Webb, Mark Paluch

Constructor Summary

Constructors

Constructor and Description
SimplePreparedStatementCreator(com.datastax.oss.driver.api.core.cql.SimpleStatement statement) Create a SimplePreparedStatementCreator given cql.
SimplePreparedStatementCreator(String cql) Create a SimplePreparedStatementCreator given cql.

Method Summary

Modifier and Type	Method and Description
com.datastax.oss.driver.api.core.cql.PreparedStatement	createPreparedStatement(com.datastax.oss.driver.api.core.CqlSession session) Create a statement in this session.
String	getCql() Return the CQL string for this object, i.e. typically the CQL used for creating statements.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimplePreparedStatementCreator

public SimplePreparedStatementCreator(String cql)

Create a SimplePreparedStatementCreator given cql.

Parameters:

cql - must not be null.

SimplePreparedStatementCreator

public SimplePreparedStatementCreator(com.datastax.oss.driver.api.core.cql.SimpleStatement statement)

Create a SimplePreparedStatementCreator given cql.

Parameters:

statement - must not be null.

Since:

3.1

Method Detail

createPreparedStatement

public com.datastax.oss.driver.api.core.cql.PreparedStatement createPreparedStatement(com.datastax.oss.driver.api.core.CqlSession session)
                                                                               throws com.datastax.oss.driver.api.core.DriverException

Description copied from interface: PreparedStatementCreator

Create a statement in this session. Allows implementations to use PreparedStatement.

Specified by:

createPreparedStatement in interface PreparedStatementCreator

Parameters:

session - CqlSession to use to create statement.

Returns:

a prepared statement.

Throws:

com.datastax.oss.driver.api.core.DriverException - there is no need to catch DriverException that may be thrown in the implementation of this method. The CqlTemplate class will handle them.

getCql

public String getCql()

Description copied from interface: CqlProvider

Return the CQL string for this object, i.e. typically the CQL used for creating statements.

Specified by:

getCql in interface CqlProvider

Returns:

the CQL string.