TimeFcts.FloorDateFunction (apache-cassandra API)

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

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	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.AssignmentTestable
testAssignment

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.functions.ScalarFunction
isMonotonic, partialApplication

- 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.