org.apache.cassandra.cql3.statements

Class BatchStatement

java.lang.Object

org.apache.cassandra.cql3.statements.ParsedStatement

org.apache.cassandra.cql3.statements.CFStatement

org.apache.cassandra.cql3.statements.ModificationStatement

org.apache.cassandra.cql3.statements.BatchStatement

All Implemented Interfaces:

CQLStatement, MeasurableForPreparedCache

public class BatchStatement
extends ModificationStatement

A BATCH statement parsed from a CQL query.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.cql3.statements.ModificationStatement

ModificationStatement.Type

Nested classes/interfaces inherited from class org.apache.cassandra.cql3.statements.ParsedStatement

ParsedStatement.Prepared

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<ModificationStatement>	statements

Fields inherited from class org.apache.cassandra.cql3.statements.ModificationStatement

type

Fields inherited from class org.apache.cassandra.cql3.statements.CFStatement

cfName

Constructor Summary

Constructors

Constructor and Description
BatchStatement(ModificationStatement.Type type, java.util.List<ModificationStatement> statements, Attributes attrs) Creates a new BatchStatement from a list of statements and a Thrift consistency level.

Method Summary

Methods

Modifier and Type	Method and Description
void	checkAccess(ClientState state) Perform any access verification necessary for the statement.
java.util.Collection<? extends IMutation>	getMutations(java.util.List<java.nio.ByteBuffer> variables, boolean local, ConsistencyLevel cl, long now) Convert statement into a list of mutations to apply on the server
long	measureForPreparedCache(org.github.jamm.MemoryMeter meter)
ParsedStatement.Prepared	prepare()
ParsedStatement.Prepared	prepare(ColumnSpecification[] boundNames)
void	prepareKeyspace(ClientState state)
java.lang.String	toString()
void	validate(ClientState state) Perform additional validation required by the statment.
protected void	validateConsistency(ConsistencyLevel cl)

Methods inherited from class org.apache.cassandra.cql3.statements.ModificationStatement

execute, executeInternal, getTimestamp, getTimeToLive, isSetTimestamp, readRows, setTimestamp

Methods inherited from class org.apache.cassandra.cql3.statements.CFStatement

columnFamily, keyspace

Methods inherited from class org.apache.cassandra.cql3.statements.ParsedStatement

getBoundTerms, setBoundTerms

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.cql3.CQLStatement

getBoundTerms

Field Detail

statements

protected final java.util.List<ModificationStatement> statements

Constructor Detail

BatchStatement

public BatchStatement(ModificationStatement.Type type,
              java.util.List<ModificationStatement> statements,
              Attributes attrs)

Creates a new BatchStatement from a list of statements and a Thrift consistency level.

Parameters:

type - type of the batch

statements - a list of UpdateStatements

attrs - additional attributes for statement (CL, timestamp, timeToLive)

Method Detail

measureForPreparedCache

public long measureForPreparedCache(org.github.jamm.MemoryMeter meter)

prepareKeyspace

public void prepareKeyspace(ClientState state)
                     throws InvalidRequestException

Overrides:

prepareKeyspace in class CFStatement

Throws:

InvalidRequestException

checkAccess

public void checkAccess(ClientState state)
                 throws InvalidRequestException,
                        UnauthorizedException

Description copied from interface: CQLStatement

Perform any access verification necessary for the statement.

Specified by:

checkAccess in interface CQLStatement

Overrides:

checkAccess in class ModificationStatement

Parameters:

state - the current client state

Throws:

InvalidRequestException

UnauthorizedException

validate

public void validate(ClientState state)
              throws 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

Overrides:

validate in class ModificationStatement

Parameters:

state - the current client state

Throws:

InvalidRequestException

validateConsistency

protected void validateConsistency(ConsistencyLevel cl)
                            throws InvalidRequestException

Specified by:

validateConsistency in class ModificationStatement

Throws:

InvalidRequestException

getMutations

public java.util.Collection<? extends IMutation> getMutations(java.util.List<java.nio.ByteBuffer> variables,
                                                     boolean local,
                                                     ConsistencyLevel cl,
                                                     long now)
                                                       throws RequestExecutionException,
                                                              RequestValidationException

Description copied from class: ModificationStatement

Convert statement into a list of mutations to apply on the server

Specified by:

getMutations in class ModificationStatement

Parameters:

variables - value for prepared statement markers

local - if true, any requests (for collections) performed by getMutation should be done locally only.

cl - the consistency to use for the potential reads involved in generating the mutations (for lists set/delete operations)

now - the current timestamp in microseconds to use if no timestamp is user provided.

Returns:

list of the mutations

Throws:

InvalidRequestException - on invalid requests

RequestExecutionException

RequestValidationException

prepare

public ParsedStatement.Prepared prepare(ColumnSpecification[] boundNames)
                                 throws InvalidRequestException

Specified by:

prepare in class ModificationStatement

Throws:

InvalidRequestException

prepare

public ParsedStatement.Prepared prepare()
                                 throws InvalidRequestException

Specified by:

prepare in class ParsedStatement

Throws:

InvalidRequestException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object