org.apache.cassandra.cql3.functions

Class TimeFcts.FloorDateFunction

java.lang.Object

org.apache.cassandra.cql3.functions.AbstractFunction

org.apache.cassandra.cql3.functions.NativeFunction

org.apache.cassandra.cql3.functions.NativeScalarFunction

org.apache.cassandra.cql3.functions.TimeFcts.FloorDateFunction

All Implemented Interfaces:

AssignmentTestable, Function, ScalarFunction

Enclosing class:

TimeFcts

public static final class TimeFcts.FloorDateFunction
extends NativeScalarFunction

Function that rounds a date down to the closest multiple of a duration.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.cassandra.cql3.AssignmentTestable

AssignmentTestable.TestResult

Field Summary

Fields inherited from class org.apache.cassandra.cql3.functions.AbstractFunction

argTypes, name, returnType

Fields inherited from interface org.apache.cassandra.cql3.functions.Function

UNRESOLVED

Method Summary

Modifier and Type	Method and Description
protected java.nio.ByteBuffer	fromTimeInMillis(long timeInMillis) Serializes the specified time.
static TimeFcts.FloorDateFunction	newInstance()
static TimeFcts.FloorDateFunction	newInstanceWithStartTimeArgument()
protected java.lang.Long	toStartingTimeInMillis(java.nio.ByteBuffer bytes) Deserializes the specified starting time.
protected java.lang.Long	toTimeInMillis(java.nio.ByteBuffer bytes) Deserializes the specified input time.
protected void	validateDuration(Duration duration) Validates that the duration has the correct precision.

Methods inherited from class org.apache.cassandra.cql3.functions.NativeScalarFunction

isAggregate, isCalledOnNullInput

Methods inherited from class org.apache.cassandra.cql3.functions.NativeFunction

isNative, isPure

Methods inherited from class org.apache.cassandra.cql3.functions.AbstractFunction

addFunctionsTo, argTypes, argumentsList, columnName, elementKeyspace, elementName, equals, hashCode, name, referencesUserType, returnType, testAssignment, toCqlString, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.cassandra.cql3.functions.ScalarFunction

isMonotonic, partialApplication

Methods inherited from interface org.apache.cassandra.cql3.functions.Function

addFunctionsTo, argTypes, columnName, compare, isNative, isPure, name, referencesUserType, returnType

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

testAssignment

Method Detail

newInstance

public static TimeFcts.FloorDateFunction newInstance()

newInstanceWithStartTimeArgument

public static TimeFcts.FloorDateFunction newInstanceWithStartTimeArgument()

fromTimeInMillis

protected java.nio.ByteBuffer fromTimeInMillis(long timeInMillis)

Serializes the specified time.

Parameters:

timeInMillis - the time in milliseconds

Returns:

the serialized time

toStartingTimeInMillis

protected java.lang.Long toStartingTimeInMillis(java.nio.ByteBuffer bytes)

Deserializes the specified starting time.

Parameters:

bytes - the serialized starting time

Returns:

the starting time in milliseconds

toTimeInMillis

protected java.lang.Long toTimeInMillis(java.nio.ByteBuffer bytes)

Deserializes the specified input time.

Parameters:

bytes - the serialized time

Returns:

the time in milliseconds

validateDuration

protected void validateDuration(Duration duration)

Validates that the duration has the correct precision.

Parameters:

duration - the duration to validate.