Package org.apache.iotdb.tsfile.file

Class MetaMarker

java.lang.Object

org.apache.iotdb.tsfile.file.MetaMarker

public class MetaMarker
extends java.lang.Object

MetaMarker denotes the type of headers and footers. Enum is not used for space saving.

Field Summary

Fields

Modifier and Type	Field	Description
static byte	CHUNK_GROUP_HEADER
static byte	CHUNK_HEADER	Chunk header marker and this chunk has more than one page.
static byte	ONLY_ONE_PAGE_CHUNK_HEADER	Chunk header marker and this chunk has only one page.
static byte	ONLY_ONE_PAGE_TIME_CHUNK_HEADER	Time Chunk header marker and this chunk has only one page.
static byte	ONLY_ONE_PAGE_VALUE_CHUNK_HEADER	Value Chunk header marker and this chunk has only one page.
static byte	OPERATION_INDEX_RANGE
static byte	SEPARATOR
static byte	TIME_CHUNK_HEADER	Time Chunk header marker and this chunk has more than one page.
static byte	VALUE_CHUNK_HEADER	Value Chunk header marker and this chunk has more than one page.
static byte	VERSION	Deprecated. variable

Method Summary

Modifier and Type	Method	Description
static void	handleUnexpectedMarker(byte marker)

Methods inherited from class java.lang.Object

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

Field Detail

CHUNK_GROUP_HEADER

public static final byte CHUNK_GROUP_HEADER

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Constant Field Values

CHUNK_HEADER

public static final byte CHUNK_HEADER

Chunk header marker and this chunk has more than one page.

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Constant Field Values

SEPARATOR

public static final byte SEPARATOR

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Constant Field Values

VERSION

@Deprecated
public static final byte VERSION

Deprecated.

variable

Since TsFile version 3, the marker VERSION is no longer used in TsFile. It should be removed when TsFile upgrade to version 4.

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Constant Field Values

OPERATION_INDEX_RANGE

public static final byte OPERATION_INDEX_RANGE

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Constant Field Values

ONLY_ONE_PAGE_CHUNK_HEADER

public static final byte ONLY_ONE_PAGE_CHUNK_HEADER

Chunk header marker and this chunk has only one page.

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Constant Field Values

TIME_CHUNK_HEADER

public static final byte TIME_CHUNK_HEADER

Time Chunk header marker and this chunk has more than one page.

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Constant Field Values

VALUE_CHUNK_HEADER

public static final byte VALUE_CHUNK_HEADER

Value Chunk header marker and this chunk has more than one page.

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Constant Field Values

ONLY_ONE_PAGE_TIME_CHUNK_HEADER

public static final byte ONLY_ONE_PAGE_TIME_CHUNK_HEADER

Time Chunk header marker and this chunk has only one page.

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Constant Field Values

ONLY_ONE_PAGE_VALUE_CHUNK_HEADER

public static final byte ONLY_ONE_PAGE_VALUE_CHUNK_HEADER

Value Chunk header marker and this chunk has only one page.

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Constant Field Values

Method Detail

handleUnexpectedMarker

public static void handleUnexpectedMarker(byte marker)
                                   throws java.io.IOException

Throws:

java.io.IOException