org.apache.cassandra.cql3.statements

Class Selection

java.lang.Object

org.apache.cassandra.cql3.statements.Selection

public abstract class Selection
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	Selection.ResultSetBuilder

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Selection(java.util.List<CFDefinition.Name> columnsList, java.util.List<ColumnSpecification> metadata, boolean collectTimestamps, boolean collectTTLs)

Method Summary

Methods

Modifier and Type	Method and Description
static Selection	forColumns(java.util.List<CFDefinition.Name> columnsList)
static Selection	fromSelectors(CFDefinition cfDef, java.util.List<RawSelector> rawSelectors)
java.util.List<CFDefinition.Name>	getColumnsList()
ResultSet.Metadata	getResultMetadata()
protected abstract java.util.List<java.nio.ByteBuffer>	handleRow(Selection.ResultSetBuilder rs)
java.util.List<ColumnIdentifier>	regularColumnsToFetch()
Selection.ResultSetBuilder	resultSetBuilder(long now)
static Selection	wildcard(CFDefinition cfDef)

Methods inherited from class java.lang.Object

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

Constructor Detail

Selection

protected Selection(java.util.List<CFDefinition.Name> columnsList,
         java.util.List<ColumnSpecification> metadata,
         boolean collectTimestamps,
         boolean collectTTLs)

Method Detail

getResultMetadata

public ResultSet.Metadata getResultMetadata()

wildcard

public static Selection wildcard(CFDefinition cfDef)

forColumns

public static Selection forColumns(java.util.List<CFDefinition.Name> columnsList)

fromSelectors

public static Selection fromSelectors(CFDefinition cfDef,
                      java.util.List<RawSelector> rawSelectors)
                               throws InvalidRequestException

Throws:

InvalidRequestException

handleRow

protected abstract java.util.List<java.nio.ByteBuffer> handleRow(Selection.ResultSetBuilder rs)
                                                          throws InvalidRequestException

Throws:

InvalidRequestException

regularColumnsToFetch

public java.util.List<ColumnIdentifier> regularColumnsToFetch()

Returns:

the list of CQL3 "regular" (the "COLUMN_METADATA" ones) column names to fetch.

getColumnsList

public java.util.List<CFDefinition.Name> getColumnsList()

Returns:

the list of CQL3 columns value this SelectionClause needs.

resultSetBuilder

public Selection.ResultSetBuilder resultSetBuilder(long now)