org.apache.cassandra.cql3.statements
Class UseStatement

java.lang.Object
  extended by org.apache.cassandra.cql3.statements.ParsedStatement
      extended by org.apache.cassandra.cql3.statements.UseStatement
All Implemented Interfaces:
CQLStatement

public class UseStatement
extends ParsedStatement
implements CQLStatement


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.cassandra.cql3.statements.ParsedStatement
ParsedStatement.Prepared
 
Constructor Summary
UseStatement(java.lang.String keyspace)
           
 
Method Summary
 void checkAccess(ClientState state)
          Perform any access verification necessary for the statement.
 org.apache.cassandra.thrift.CqlResult execute(ClientState state, java.util.List<java.nio.ByteBuffer> variables)
          Execute the statement and return the resulting result or null if there is no result.
 ParsedStatement.Prepared prepare()
           
 void validate(ClientState state)
          Perform additional validation required by the statment.
 
Methods inherited from class org.apache.cassandra.cql3.statements.ParsedStatement
getBoundsTerms, setBoundTerms
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.apache.cassandra.cql3.CQLStatement
getBoundsTerms
 

Constructor Detail

UseStatement

public UseStatement(java.lang.String keyspace)
Method Detail

prepare

public ParsedStatement.Prepared prepare()
                                 throws org.apache.cassandra.thrift.InvalidRequestException
Specified by:
prepare in class ParsedStatement
Throws:
org.apache.cassandra.thrift.InvalidRequestException

checkAccess

public void checkAccess(ClientState state)
Description copied from interface: CQLStatement
Perform any access verification necessary for the statement.

Specified by:
checkAccess in interface CQLStatement
Parameters:
state - the current client state

validate

public void validate(ClientState state)
              throws org.apache.cassandra.thrift.InvalidRequestException
Description copied from interface: CQLStatement
Perform additional validation required by the statment. To be overriden by subclasses if needed.

Specified by:
validate in interface CQLStatement
Parameters:
state - the current client state
Throws:
org.apache.cassandra.thrift.InvalidRequestException

execute

public org.apache.cassandra.thrift.CqlResult execute(ClientState state,
                                                     java.util.List<java.nio.ByteBuffer> variables)
                                              throws org.apache.cassandra.thrift.InvalidRequestException
Description copied from interface: CQLStatement
Execute the statement and return the resulting result or null if there is no result.

Specified by:
execute in interface CQLStatement
Parameters:
state - the current client state
variables - the values for bounded variables. The implementation can assume that each bound term have a corresponding value.
Throws:
org.apache.cassandra.thrift.InvalidRequestException


Copyright © 2012 The Apache Software Foundation