org.springframework.data.cassandra.core

Class CassandraTemplate.PreparedStatementHandler

java.lang.Object

org.springframework.data.cassandra.core.CassandraTemplate.PreparedStatementHandler

All Implemented Interfaces:

CqlProvider, PreparedStatementBinder, PreparedStatementCreator

Enclosing class:

CassandraTemplate

public static class CassandraTemplate.PreparedStatementHandler
extends Object
implements PreparedStatementCreator, PreparedStatementBinder, CqlProvider

Utility class to prepare a SimpleStatement and bind values associated with the statement to a BoundStatement.

Since:

3.2

Constructor Summary

Constructors

Constructor and Description
PreparedStatementHandler(com.datastax.oss.driver.api.core.cql.Statement<?> statement)

Method Summary

Modifier and Type	Method and Description
com.datastax.oss.driver.api.core.cql.BoundStatement	bindValues(com.datastax.oss.driver.api.core.cql.PreparedStatement ps) Bind parameter values on the given PreparedStatement.
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

PreparedStatementHandler

public PreparedStatementHandler(com.datastax.oss.driver.api.core.cql.Statement<?> statement)

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.

bindValues

public com.datastax.oss.driver.api.core.cql.BoundStatement bindValues(com.datastax.oss.driver.api.core.cql.PreparedStatement ps)
                                                               throws com.datastax.oss.driver.api.core.DriverException

Description copied from interface: PreparedStatementBinder

Bind parameter values on the given PreparedStatement.

Specified by:

bindValues in interface PreparedStatementBinder

Parameters:

ps - the PreparedStatement to invoke setter methods on.

Throws:

com.datastax.oss.driver.api.core.DriverException - if a DriverException is encountered (i.e. there is no need to catch DriverException)

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.