Package org.apache.druid.query.aggregation.firstlast

Class StringFirstLastUtils

java.lang.Object

org.apache.druid.query.aggregation.firstlast.StringFirstLastUtils

public class StringFirstLastUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
StringFirstLastUtils()

Method Summary

Modifier and Type	Method	Description
static SerializablePairLongString	readPair(ByteBuffer buf, int position)
static SerializablePairLongString	readPairFromSelectors(BaseLongColumnValueSelector timeSelector, BaseObjectColumnValueSelector<?> valueSelector)
static SerializablePairLongString	readPairFromVectorSelectorsAtIndex(boolean[] timeNullityVector, long[] timeVector, Object[] maybeFoldedObjects, int index)	Return the object at a particular index from the vector selectors.
static void	writePair(ByteBuffer buf, int position, SerializablePairLongString pair, int maxStringBytes)

Methods inherited from class java.lang.Object

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

Constructor Detail

StringFirstLastUtils

public StringFirstLastUtils()

Method Detail

readPairFromVectorSelectorsAtIndex

@Nullable
public static SerializablePairLongString readPairFromVectorSelectorsAtIndex(boolean[] timeNullityVector,
                                                                            long[] timeVector,
                                                                            Object[] maybeFoldedObjects,
                                                                            int index)

Return the object at a particular index from the vector selectors. index of bounds issues is the responsibility of the caller

readPairFromSelectors

@Nullable
public static SerializablePairLongString readPairFromSelectors(BaseLongColumnValueSelector timeSelector,
                                                               BaseObjectColumnValueSelector<?> valueSelector)

writePair

public static void writePair(ByteBuffer buf,
                             int position,
                             SerializablePairLongString pair,
                             int maxStringBytes)

readPair

public static SerializablePairLongString readPair(ByteBuffer buf,
                                                  int position)