RecordingDescriptorHeaderDecoder (Aeron Message Transport)

java.lang.Object
- io.aeron.archive.codecs.RecordingDescriptorHeaderDecoder

```
public final class RecordingDescriptorHeaderDecoder
extends Object
```
Used in the catalog to describe the recording descriptor entry which follows.

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`BLOCK_LENGTH`
`static ByteOrder`	`BYTE_ORDER`
`static int`	`SCHEMA_ID`
`static int`	`SCHEMA_VERSION`
`static String`	`SEMANTIC_VERSION`
`static int`	`TEMPLATE_ID`

Constructor Summary

Constructors
Constructor and Description

RecordingDescriptorHeaderDecoder()

Constructors
Constructor and Description
`RecordingDescriptorHeaderDecoder()`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`int`	`actingVersion()`
`StringBuilder`	`appendTo(StringBuilder builder)`
`DirectBuffer`	`buffer()`
`int`	`checksum()`
`static int`	`checksumEncodingLength()`
`static int`	`checksumEncodingOffset()`
`static int`	`checksumId()`
`static int`	`checksumMaxValue()`
`static String`	`checksumMetaAttribute(MetaAttribute metaAttribute)`
`static int`	`checksumMinValue()`
`static int`	`checksumNullValue()`
`static int`	`checksumSinceVersion()`
`int`	`encodedLength()`
`int`	`initialOffset()`
`int`	`length()`
`static int`	`lengthEncodingLength()`
`static int`	`lengthEncodingOffset()`
`static int`	`lengthId()`
`static int`	`lengthMaxValue()`
`static String`	`lengthMetaAttribute(MetaAttribute metaAttribute)`
`static int`	`lengthMinValue()`
`static int`	`lengthNullValue()`
`static int`	`lengthSinceVersion()`
`int`	`limit()`
`void`	`limit(int limit)`
`int`	`offset()`
`byte`	`reserved()`
`static int`	`reservedEncodingLength()`
`static int`	`reservedEncodingOffset()`
`static int`	`reservedId()`
`static byte`	`reservedMaxValue()`
`static String`	`reservedMetaAttribute(MetaAttribute metaAttribute)`
`static byte`	`reservedMinValue()`
`static byte`	`reservedNullValue()`
`static int`	`reservedSinceVersion()`
`int`	`sbeBlockLength()`
`int`	`sbeDecodedLength()`
`RecordingDescriptorHeaderDecoder`	`sbeRewind()`
`int`	`sbeSchemaId()`
`int`	`sbeSchemaVersion()`
`String`	`sbeSemanticType()`
`RecordingDescriptorHeaderDecoder`	`sbeSkip()`
`int`	`sbeTemplateId()`
`RecordingState`	`state()`
`static int`	`stateEncodingLength()`
`static int`	`stateEncodingOffset()`
`static int`	`stateId()`
`static String`	`stateMetaAttribute(MetaAttribute metaAttribute)`
`int`	`stateRaw()`
`static int`	`stateSinceVersion()`
`String`	`toString()`
`RecordingDescriptorHeaderDecoder`	`wrap(DirectBuffer buffer, int offset, int actingBlockLength, int actingVersion)`
`RecordingDescriptorHeaderDecoder`	`wrapAndApplyHeader(DirectBuffer buffer, int offset, MessageHeaderDecoder headerDecoder)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

BLOCK_LENGTH
```
public static final int BLOCK_LENGTH
```
See Also:

Constant Field Values

TEMPLATE_ID
```
public static final int TEMPLATE_ID
```
See Also:

Constant Field Values

SCHEMA_ID
```
public static final int SCHEMA_ID
```
See Also:

Constant Field Values

SCHEMA_VERSION
```
public static final int SCHEMA_VERSION
```
See Also:

Constant Field Values

SEMANTIC_VERSION

public static final String SEMANTIC_VERSION

See Also:: Constant Field Values

BYTE_ORDER

public static final ByteOrder BYTE_ORDER

Constructor Detail
- RecordingDescriptorHeaderDecoder
```
public RecordingDescriptorHeaderDecoder()
```

Method Detail

sbeBlockLength
```
public int sbeBlockLength()
```

sbeTemplateId
```
public int sbeTemplateId()
```

sbeSchemaId
```
public int sbeSchemaId()
```

sbeSchemaVersion
```
public int sbeSchemaVersion()
```

sbeSemanticType
```
public String sbeSemanticType()
```

buffer
```
public DirectBuffer buffer()
```

initialOffset
```
public int initialOffset()
```

offset
```
public int offset()
```

wrap

public RecordingDescriptorHeaderDecoder wrap(DirectBuffer buffer,
                                             int offset,
                                             int actingBlockLength,
                                             int actingVersion)

wrapAndApplyHeader

public RecordingDescriptorHeaderDecoder wrapAndApplyHeader(DirectBuffer buffer,
                                                           int offset,
                                                           MessageHeaderDecoder headerDecoder)

sbeRewind

public RecordingDescriptorHeaderDecoder sbeRewind()

sbeDecodedLength
```
public int sbeDecodedLength()
```

actingVersion
```
public int actingVersion()
```

encodedLength
```
public int encodedLength()
```

limit
```
public int limit()
```

limit
```
public void limit(int limit)
```

lengthId
```
public static int lengthId()
```

lengthSinceVersion

public static int lengthSinceVersion()

lengthEncodingOffset

public static int lengthEncodingOffset()

lengthEncodingLength

public static int lengthEncodingLength()

lengthMetaAttribute

public static String lengthMetaAttribute(MetaAttribute metaAttribute)

lengthNullValue
```
public static int lengthNullValue()
```

lengthMinValue
```
public static int lengthMinValue()
```

lengthMaxValue
```
public static int lengthMaxValue()
```

length
```
public int length()
```

stateId
```
public static int stateId()
```

stateSinceVersion
```
public static int stateSinceVersion()
```

stateEncodingOffset

public static int stateEncodingOffset()

stateEncodingLength

public static int stateEncodingLength()

stateMetaAttribute

public static String stateMetaAttribute(MetaAttribute metaAttribute)

stateRaw
```
public int stateRaw()
```

state
```
public RecordingState state()
```

checksumId
```
public static int checksumId()
```

checksumSinceVersion

public static int checksumSinceVersion()

checksumEncodingOffset

public static int checksumEncodingOffset()

checksumEncodingLength

public static int checksumEncodingLength()

checksumMetaAttribute

public static String checksumMetaAttribute(MetaAttribute metaAttribute)

checksumNullValue
```
public static int checksumNullValue()
```

checksumMinValue
```
public static int checksumMinValue()
```

checksumMaxValue
```
public static int checksumMaxValue()
```

checksum
```
public int checksum()
```

reservedId
```
public static int reservedId()
```

reservedSinceVersion

public static int reservedSinceVersion()

reservedEncodingOffset

public static int reservedEncodingOffset()

reservedEncodingLength

public static int reservedEncodingLength()

reservedMetaAttribute

public static String reservedMetaAttribute(MetaAttribute metaAttribute)

reservedNullValue

public static byte reservedNullValue()

reservedMinValue
```
public static byte reservedMinValue()
```

reservedMaxValue
```
public static byte reservedMaxValue()
```

reserved
```
public byte reserved()
```

toString
```
public String toString()
```
Overrides:

toString in class Object

appendTo

public StringBuilder appendTo(StringBuilder builder)

sbeSkip

public RecordingDescriptorHeaderDecoder sbeSkip()

Class RecordingDescriptorHeaderDecoder

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

BLOCK_LENGTH

TEMPLATE_ID

SCHEMA_ID

SCHEMA_VERSION

SEMANTIC_VERSION

BYTE_ORDER

Constructor Detail

RecordingDescriptorHeaderDecoder

Method Detail

sbeBlockLength

sbeTemplateId

sbeSchemaId

sbeSchemaVersion

sbeSemanticType

buffer

initialOffset

offset

wrap

wrapAndApplyHeader

sbeRewind

sbeDecodedLength

actingVersion

encodedLength

limit

limit

lengthId

lengthSinceVersion

lengthEncodingOffset

lengthEncodingLength

lengthMetaAttribute

lengthNullValue

lengthMinValue

lengthMaxValue

length

stateId

stateSinceVersion

stateEncodingOffset

stateEncodingLength

stateMetaAttribute

stateRaw

state

checksumId

checksumSinceVersion

checksumEncodingOffset

checksumEncodingLength

checksumMetaAttribute

checksumNullValue

checksumMinValue

checksumMaxValue

checksum

reservedId

reservedSinceVersion

reservedEncodingOffset

reservedEncodingLength

reservedMetaAttribute

reservedNullValue

reservedMinValue

reservedMaxValue

reserved

toString

appendTo

sbeSkip