程序包 org.apache.paimon.utils

接口概要

接口	说明
BiFunctionWithIOE<T,U,R>	A bi function with IOException.
CloseableIterator<T>	This interface represents an Iterator that is also AutoCloseable.
ConsumerWithIOException<T>	A consumer with IOException.
Filter<T>	Represents a filter (boolean-valued function) of one argument.
FunctionWithException<T,R,E extends Throwable>	A functional interface for a Function that may throw exceptions.
IntIterator	Iterator for ints.
IOFunction<T,R>	A functional interface for a Function that may throw IOException.
KeyValueIterator<K,V>	An iterator for Key and Value.
ParallelExecution.ParallelBatch<T,E>	A batch provides next and extra message.
Pool.Recycler<T>	A Recycler puts objects into the pool that the recycler is associated with.
SerBiFunction<T,U,R>	A BiFunction that is also Serializable.
SerializableFunction<T,R>	A Function that is also Serializable.
ThrowingConsumer<T,E extends Throwable>	This interface is basically Java's Consumer interface enhanced with the ability to throw an exception.

类概要

类	说明
ArrayUtils	Utils for array.
BinaryRowDataUtil	Utilities for BinaryRow.
BinaryStringUtils	Util for BinaryString.
BinPacking	Contains bin packing implementations.
CloseableIterator.IteratorAdapter<E>	Adapter from Iterator to CloseableIterator.
DateTimeUtils	Utils for date time.
DecimalUtils	Utilities for Decimal.
EncodingUtils	General utilities for string-encoding.
ExceptionUtils	A collection of utility functions for dealing with exceptions and exception workflows.
ExecutorThreadFactory	A thread factory intended for use by critical thread pools.
ExecutorThreadFactory.Builder	Builder for ExecutorThreadFactory.
FatalExitExceptionHandler	Handler for uncaught exceptions that will log the exception and kill the process afterwards.
FileIOUtils	This is a utility class to deal files and directories.
HadoopUtils	Utility class for working with Hadoop-related classes.
IDMapping<T>	Incremental id generation.
InstantiationUtil	Utility class to create instances from class objects and checking failure reasons.
InstantiationUtil.ClassLoaderObjectInputStream	A custom ObjectInputStream that can load classes using a specific ClassLoader.
Int2ShortHashMap	Int to short hash map.
InternalRowUtils	Utils for InternalRow structures.
IntFileUtils	File to store ints.
IntHashSet	A hash set for ints.
IOUtils	An utility class for I/O related functionality.
IteratorResultIterator<E>	A simple RecordReader.RecordIterator that returns the elements of an iterator.
KeyProjectedRow	A InternalRow to project key fields with RowKind.INSERT.
ListDelimitedSerializer	Encapsulates a logic of serialization and deserialization of a list with a delimiter.
LocalFileUtils	Utils for local file.
LongCounter	An counter that sums up long values.
MapBuilder<K,V>	Build for Map.
MathUtils	Collection of simple mathematical routines.
MurmurHashUtils	Murmur Hash.
ObjectUtils	Utils for objects.
Pair<L,R>	Pair contains left and right.
ParallelExecution<T,E>	A class to help parallel execution.
ParameterUtils	This is a util class for converting string parameter to another format.
Pool<T>	A pool to cache and recycle heavyweight objects, to reduce object allocation.
PositiveIntInt	IntInt pojo class.
PositiveIntIntSerializer	A SerializerSingleton for PositiveIntInt.
Preconditions	A collection of static utility methods to validate input.
ProjectedRow	An implementation of InternalRow which provides a projected view of the underlying InternalRow.
Projection	Projection represents a list of (possibly nested) indexes that can be used to project data types.
ProjectToRowFunction	Project BinaryRow fields into InternalRow.
RecyclableIterator<E>	Utility base class for iterators that accept a recycler.
Reference<T>	Refer a object.
ReflectionUtils	Utils for java reflection.
RowDataToObjectArrayConverter	Convert InternalRow to object array.
SortUtil	Util for sort.
StringUtils	Utils for BinaryString and utility class to convert objects into strings in vice-versa.
ThreadUtils	Utils for thread.
TimeUtils	Collection of utilities about time intervals.
Triple<T0,T1,T2>	Container that accommodates three fields.
TypeCheckUtils	Utils for type.
TypeUtils	Type related helper functions.
VarLengthIntUtils	Utils for encoding int/long to var length bytes.
VectorMappingUtils	This is a util about how to expand the ColumnVectors with the partition row and index mapping.

枚举概要

枚举	说明
HadoopUtils.HadoopConfigLoader	Specifies the way of loading hadoop config.
OperatingSystem	An enumeration indicating the operating system that the JVM runs on.