org.openjdk.jmc.flightrecorder.internal.parser.v0

Class ArrayReader

java.lang.Object

org.openjdk.jmc.flightrecorder.internal.parser.v0.ArrayReader

All Implemented Interfaces:

IValueReader

final class ArrayReader
extends java.lang.Object
implements IValueReader

Reads an array with element of a certain type from a byte array.

Field Summary

Fields

Modifier and Type	Field and Description
private ChunkStructure	header
private IValueReader	reader
private static int	UNREASONABLE_ARRAY_LENGTH

Constructor Summary

Constructors

Constructor and Description
ArrayReader(IValueReader reader, ChunkStructure header)

Method Summary

Modifier and Type	Method and Description
ContentType<?>	getValueType()
private static int	readArraySize(byte[] data, int offset)
java.lang.Object	readValue(byte[] bytes, Offset offset, long timestamp) Reads an objects from a byte array starting at a given offset.

Methods inherited from class java.lang.Object

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

Field Detail

reader

private final IValueReader reader

header

private final ChunkStructure header

UNREASONABLE_ARRAY_LENGTH

private static final int UNREASONABLE_ARRAY_LENGTH

See Also:

Constant Field Values

Constructor Detail

ArrayReader

ArrayReader(IValueReader reader,
            ChunkStructure header)

Method Detail

readValue

public java.lang.Object readValue(byte[] bytes,
                                  Offset offset,
                                  long timestamp)
                           throws InvalidJfrFileException

Description copied from interface: IValueReader

Reads an objects from a byte array starting at a given offset.

Specified by:

readValue in interface IValueReader

offset - the offset to start read from. Will be moved to the end of the parsed data

timestamp - the timestamp of the object to read

Returns:

the parsed object

Throws:

InvalidJfrFileException

readArraySize

private static int readArraySize(byte[] data,
                                 int offset)
                          throws InvalidJfrFileException

Throws:

InvalidJfrFileException

getValueType

public ContentType<?> getValueType()

Specified by:

getValueType in interface IValueReader

Returns:

the content type of the created objects