org.apache.cassandra.cql3.statements

Class ModificationStatement

java.lang.Object

org.apache.cassandra.cql3.statements.ModificationStatement

All Implemented Interfaces:

CQLStatement

Direct Known Subclasses:

DeleteStatement, UpdateStatement

public abstract class ModificationStatement
extends java.lang.Object
implements CQLStatement

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ModificationStatement.Parsed
static class	ModificationStatement.StatementType

Field Summary

Fields

Modifier and Type	Field and Description
Attributes	attrs
CFMetaData	cfm
protected java.util.Map<ColumnIdentifier,Restriction>	processedKeys
ModificationStatement.StatementType	type

Constructor Summary

Constructors

Constructor and Description
ModificationStatement(ModificationStatement.StatementType type, int boundTerms, CFMetaData cfm, Attributes attrs)

Method Summary

Modifier and Type	Method and Description
void	addCondition(ColumnCondition cond)
void	addConditions(Composite clusteringPrefix, CQL3CasRequest request, QueryOptions options)
void	addKeyValue(ColumnDefinition def, Term value)
void	addOperation(Operation op)
abstract void	addUpdateForKey(ColumnFamily updates, java.nio.ByteBuffer key, Composite prefix, UpdateParameters params)
protected boolean	appliesOnlyToStaticColumns() Checks that the modification only apply to static columns.
protected boolean	appliesToRegularColumns() Checks that the modification apply to regular columns.
static ResultSet	buildCasResultSet(java.lang.String ksName, java.nio.ByteBuffer key, java.lang.String cfName, ColumnFamily cf, java.lang.Iterable<ColumnDefinition> columnsWithConditions, boolean isBatch, QueryOptions options)
java.util.List<java.nio.ByteBuffer>	buildPartitionKeyNames(QueryOptions options)
void	checkAccess(ClientState state) Perform any access verification necessary for the statement.
java.lang.String	columnFamily()
Composite	createClusteringPrefix(QueryOptions options)
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) Variant of execute used for internal query against the system tables, and thus only query the local node.
ResultMessage	executeInternalWithCondition(QueryState state, QueryOptions options)
ResultMessage	executeInternalWithoutCondition(QueryState queryState, QueryOptions options)
ResultMessage	executeWithCondition(QueryState queryState, QueryOptions options)
int	getBoundTerms() Returns the number of bound terms in this statement.
java.lang.Iterable<ColumnDefinition>	getColumnsWithConditions()
protected ColumnDefinition	getFirstEmptyKey()
java.lang.Iterable<Function>	getFunctions() Return an Iterable over all of the functions (both native and user-defined) used by any component of the statement
java.util.List<Operation>	getOperations()
long	getTimestamp(long now, QueryOptions options)
int	getTimeToLive(QueryOptions options)
boolean	hasConditions()
boolean	hasIfExistCondition()
boolean	hasIfNotExistCondition()
boolean	hasRegularConditions()
boolean	hasStaticConditions()
boolean	isCounter()
boolean	isTimestampSet()
java.lang.String	keyspace()
UpdateParameters	makeUpdateParameters(java.util.Collection<java.nio.ByteBuffer> keys, Composite prefix, QueryOptions options, boolean local, long now)
void	processWhereClause(java.util.List<Relation> whereClause, VariableSpecifications names)
protected java.util.Map<java.nio.ByteBuffer,CQL3Row>	readRequiredRows(java.util.Collection<java.nio.ByteBuffer> partitionKeys, Composite clusteringPrefix, boolean local, ConsistencyLevel cl)
abstract boolean	requireFullClusteringKey()
boolean	requiresRead()
void	setIfExistCondition()
void	setIfNotExistCondition()
void	validate(ClientState state) Perform additional validation required by the statment.
protected void	validateWhereClauseForConditions() If there are conditions on the statement, this is called after the where clause and conditions have been processed to check that they are compatible.

Methods inherited from class java.lang.Object

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

Field Detail

type

public final ModificationStatement.StatementType type

cfm

public final CFMetaData cfm

attrs

public final Attributes attrs

processedKeys

protected final java.util.Map<ColumnIdentifier,Restriction> processedKeys

Constructor Detail

ModificationStatement

public ModificationStatement(ModificationStatement.StatementType type,
                             int boundTerms,
                             CFMetaData cfm,
                             Attributes attrs)

Method Detail

getFunctions

public java.lang.Iterable<Function> getFunctions()

Description copied from interface: CQLStatement

Return an Iterable over all of the functions (both native and user-defined) used by any component of the statement

Specified by:

getFunctions in interface CQLStatement

Returns:

functions all functions found (may contain duplicates)

requireFullClusteringKey

public abstract boolean requireFullClusteringKey()

addUpdateForKey

public abstract void addUpdateForKey(ColumnFamily updates,
                                     java.nio.ByteBuffer key,
                                     Composite prefix,
                                     UpdateParameters params)
                              throws InvalidRequestException

Throws:

InvalidRequestException

getBoundTerms

public int getBoundTerms()

Description copied from interface: CQLStatement

Returns the number of bound terms in this statement.

Specified by:

getBoundTerms in interface CQLStatement

keyspace

public java.lang.String keyspace()

columnFamily

public java.lang.String columnFamily()

isCounter

public boolean isCounter()

getTimestamp

public long getTimestamp(long now,
                         QueryOptions options)
                  throws InvalidRequestException

Throws:

InvalidRequestException

isTimestampSet

public boolean isTimestampSet()

getTimeToLive

public int getTimeToLive(QueryOptions options)
                  throws InvalidRequestException

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

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

addOperation

public void addOperation(Operation op)

getOperations

public java.util.List<Operation> getOperations()

getColumnsWithConditions

public java.lang.Iterable<ColumnDefinition> getColumnsWithConditions()

addCondition

public void addCondition(ColumnCondition cond)

setIfNotExistCondition

public void setIfNotExistCondition()

hasIfNotExistCondition

public boolean hasIfNotExistCondition()

setIfExistCondition

public void setIfExistCondition()

hasIfExistCondition

public boolean hasIfExistCondition()

hasStaticConditions

public boolean hasStaticConditions()

hasRegularConditions

public boolean hasRegularConditions()

addKeyValue

public void addKeyValue(ColumnDefinition def,
                        Term value)
                 throws InvalidRequestException

Throws:

InvalidRequestException

processWhereClause

public void processWhereClause(java.util.List<Relation> whereClause,
                               VariableSpecifications names)
                        throws InvalidRequestException

Throws:

InvalidRequestException

buildPartitionKeyNames

public java.util.List<java.nio.ByteBuffer> buildPartitionKeyNames(QueryOptions options)
                                                           throws InvalidRequestException

Throws:

InvalidRequestException

createClusteringPrefix

public Composite createClusteringPrefix(QueryOptions options)
                                 throws InvalidRequestException

Throws:

InvalidRequestException

appliesOnlyToStaticColumns

protected boolean appliesOnlyToStaticColumns()

Checks that the modification only apply to static columns.

Returns:

true if the modification only apply to static columns, false otherwise.

appliesToRegularColumns

protected boolean appliesToRegularColumns()

Checks that the modification apply to regular columns.

Returns:

true if the modification apply to regular columns, false otherwise.

getFirstEmptyKey

protected ColumnDefinition getFirstEmptyKey()

requiresRead

public boolean requiresRead()

readRequiredRows

protected java.util.Map<java.nio.ByteBuffer,CQL3Row> readRequiredRows(java.util.Collection<java.nio.ByteBuffer> partitionKeys,
                                                                      Composite clusteringPrefix,
                                                                      boolean local,
                                                                      ConsistencyLevel cl)
                                                               throws RequestExecutionException,
                                                                      RequestValidationException

Throws:

RequestExecutionException

RequestValidationException

hasConditions

public boolean hasConditions()

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

executeWithCondition

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

Throws:

RequestExecutionException

RequestValidationException

addConditions

public void addConditions(Composite clusteringPrefix,
                          CQL3CasRequest request,
                          QueryOptions options)
                   throws InvalidRequestException

Throws:

InvalidRequestException

buildCasResultSet

public static ResultSet buildCasResultSet(java.lang.String ksName,
                                          java.nio.ByteBuffer key,
                                          java.lang.String cfName,
                                          ColumnFamily cf,
                                          java.lang.Iterable<ColumnDefinition> columnsWithConditions,
                                          boolean isBatch,
                                          QueryOptions options)
                                   throws InvalidRequestException

Throws:

InvalidRequestException

executeInternal

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

Description copied from interface: CQLStatement

Variant 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

executeInternalWithoutCondition

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

Throws:

RequestValidationException

RequestExecutionException

executeInternalWithCondition

public ResultMessage executeInternalWithCondition(QueryState state,
                                                  QueryOptions options)
                                           throws RequestValidationException,
                                                  RequestExecutionException

Throws:

RequestValidationException

RequestExecutionException

makeUpdateParameters

public UpdateParameters makeUpdateParameters(java.util.Collection<java.nio.ByteBuffer> keys,
                                             Composite prefix,
                                             QueryOptions options,
                                             boolean local,
                                             long now)
                                      throws RequestExecutionException,
                                             RequestValidationException

Throws:

RequestExecutionException

RequestValidationException

validateWhereClauseForConditions

protected void validateWhereClauseForConditions()
                                         throws InvalidRequestException

If there are conditions on the statement, this is called after the where clause and conditions have been processed to check that they are compatible.

Throws:

InvalidRequestException