org.apache.flink.graph.asm.translate.translators

Class LongValueAddOffset

java.lang.Object

org.apache.flink.graph.asm.translate.translators.LongValueAddOffset

All Implemented Interfaces:

Serializable, Function, TranslateFunction<LongValue,LongValue>

public class LongValueAddOffset
extends Object
implements TranslateFunction<LongValue,LongValue>

Translate LongValue by adding a constant offset value.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
LongValueAddOffset(long offset) Translate LongValue by adding a constant offset value.

Method Summary

Modifier and Type	Method and Description
LongValue	translate(LongValue value, LongValue reuse) The translating method.

Methods inherited from class java.lang.Object

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

Constructor Detail

LongValueAddOffset

public LongValueAddOffset(long offset)

Translate LongValue by adding a constant offset value.

The summation is *not* checked for overflow or underflow.

Parameters:

offset - value to be added to each element

Method Detail

translate

public LongValue translate(LongValue value,
                           LongValue reuse)
                    throws Exception

Description copied from interface: TranslateFunction

The translating method. Takes an element from the input data set and transforms it into exactly one element.

Specified by:

translate in interface TranslateFunction<LongValue,LongValue>

Parameters:

value - input value.

reuse - value which may be reused for output; if reuse is null then a new output object must be instantiated and returned

Returns:

the transformed value

Throws:

Exception - This method may throw exceptions. Throwing an exception will cause the operation to fail and may trigger recovery.