org.apache.cassandra.cql3.statements

Class BatchStatement

java.lang.Object

org.apache.cassandra.cql3.statements.BatchStatement

All Implemented Interfaces:

CQLStatement, MeasurableForPreparedCache

public class BatchStatement
extends java.lang.Object
implements CQLStatement, MeasurableForPreparedCache

A BATCH statement parsed from a CQL query.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BatchStatement.BatchOfPreparedVariables
static interface	BatchStatement.BatchVariables
static class	BatchStatement.Parsed
static class	BatchStatement.PreparedBatchVariables
static class	BatchStatement.Type

Field Summary

Fields

Modifier and Type	Field and Description
BatchStatement.Type	type

Constructor Summary

Constructors

Constructor and Description
BatchStatement(int boundTerms, BatchStatement.Type type, java.util.List<ModificationStatement> statements, Attributes attrs, boolean hasConditions) 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.
ResultMessage	execute(BatchStatement.BatchVariables variables, boolean local, ConsistencyLevel cl, ConsistencyLevel serialCl, long now)
ResultMessage	execute(QueryState queryState, QueryOptions options) Execute the statement and return the resulting result or null if there is no result.
ResultMessage	executeInternal(QueryState queryState, QueryOptions options) Variante of execute used for internal query against the system tables, and thus only query the local node.
ResultMessage	executeWithPerStatementVariables(ConsistencyLevel cl, QueryState queryState, java.util.List<java.util.List<java.nio.ByteBuffer>> variables)
int	getBoundTerms() Returns the number of bound terms in this statement.
java.util.List<ModificationStatement>	getStatements()
long	measureForPreparedCache(org.github.jamm.MemoryMeter meter)
java.lang.String	toString()
void	validate(ClientState state) Perform additional validation required by the statment.

Methods inherited from class java.lang.Object

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

Field Detail

type

public final BatchStatement.Type type

Constructor Detail

BatchStatement

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

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)

Specified by:

measureForPreparedCache in interface MeasurableForPreparedCache

getBoundTerms

public int getBoundTerms()

Description copied from interface: CQLStatement

Returns the number of bound terms in this statement.

Specified by:

getBoundTerms in interface CQLStatement

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

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

Parameters:

state - the current client state

Throws:

InvalidRequestException

getStatements

public java.util.List<ModificationStatement> getStatements()

execute

public ResultMessage execute(QueryState queryState,
                    QueryOptions options)
                      throws RequestExecutionException,
                             RequestValidationException

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:

queryState - the current query state

options - options for this query (consistency, variables, pageSize, ...)

Throws:

RequestExecutionException

RequestValidationException

executeWithPerStatementVariables

public ResultMessage executeWithPerStatementVariables(ConsistencyLevel cl,
                                             QueryState queryState,
                                             java.util.List<java.util.List<java.nio.ByteBuffer>> variables)
                                               throws RequestExecutionException,
                                                      RequestValidationException

Throws:

RequestExecutionException

RequestValidationException

execute

public ResultMessage execute(BatchStatement.BatchVariables variables,
                    boolean local,
                    ConsistencyLevel cl,
                    ConsistencyLevel serialCl,
                    long now)
                      throws RequestExecutionException,
                             RequestValidationException

Throws:

RequestExecutionException

RequestValidationException

executeInternal

public ResultMessage executeInternal(QueryState queryState,
                            QueryOptions options)
                              throws RequestValidationException,
                                     RequestExecutionException

Description copied from interface: CQLStatement

Variante of execute used for internal query against the system tables, and thus only query the local node.

Specified by:

executeInternal in interface CQLStatement

Parameters:

queryState - the current query state

Throws:

RequestValidationException

RequestExecutionException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object