BytesReference (Elasticsearch: Core 2.3.5 API)

All Known Implementing Classes:

BytesArray, ChannelBufferBytesReference, PagedBytesReference, ReleasablePagedBytesReference
```
public interface BytesReference
```
A reference to bytes.

Nested Class Summary

Nested Classes
Modifier and Type Interface and Description

static class BytesReference.Helper

Nested Classes
Modifier and Type	Interface and Description
`static class`	`BytesReference.Helper`

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`byte[]`	`array()` The underlying byte array (if exists).
`int`	`arrayOffset()` The offset into the underlying byte array.
`BytesArray`	`copyBytesArray()` Returns the bytes copied over as a byte array.
`org.apache.lucene.util.BytesRef`	`copyBytesRef()` Converts to a copied Lucene BytesRef.
`byte`	`get(int index)` Returns the byte at the specified index.
`boolean`	`hasArray()` Is there an underlying byte array for this bytes reference.
`int`	`length()` The length.
`BytesReference`	`slice(int from, int length)` Slice the bytes from the `from` index up to `length`.
`StreamInput`	`streamInput()` A stream input of the bytes.
`byte[]`	`toBytes()` Returns the bytes as a single byte array.
`BytesArray`	`toBytesArray()` Returns the bytes as a byte array, possibly sharing the underlying byte buffer.
`org.apache.lucene.util.BytesRef`	`toBytesRef()` Converts to Lucene BytesRef.
`org.jboss.netty.buffer.ChannelBuffer`	`toChannelBuffer()` Returns the bytes as a channel buffer.
`String`	`toUtf8()` Converts to a string based on utf8.
`void`	`writeTo(GatheringByteChannel channel)` Writes the bytes directly to the channel.
`void`	`writeTo(OutputStream os)` Writes the bytes directly to the output stream.

- Method Detail
  - get
```
byte get(int index)
```
    Returns the byte at the specified index. Need to be between 0 and length.
  - length
```
int length()
```
    The length.
  - slice
```
BytesReference slice(int from,
                     int length)
```
    Slice the bytes from the from index up to length.
  - streamInput
```
StreamInput streamInput()
```
    A stream input of the bytes.
  - writeTo
```
void writeTo(OutputStream os)
      throws IOException
```
    Writes the bytes directly to the output stream.
    
    Throws:
    
    IOException
  - writeTo
```
void writeTo(GatheringByteChannel channel)
      throws IOException
```
    Writes the bytes directly to the channel.
    
    Throws:
    
    IOException
  - toBytes
```
byte[] toBytes()
```
    Returns the bytes as a single byte array.
  - toBytesArray
```
BytesArray toBytesArray()
```
    Returns the bytes as a byte array, possibly sharing the underlying byte buffer.
  - copyBytesArray
```
BytesArray copyBytesArray()
```
    Returns the bytes copied over as a byte array.
  - toChannelBuffer
```
org.jboss.netty.buffer.ChannelBuffer toChannelBuffer()
```
    Returns the bytes as a channel buffer.
  - hasArray
```
boolean hasArray()
```
    Is there an underlying byte array for this bytes reference.
  - array
```
byte[] array()
```
    The underlying byte array (if exists).
  - arrayOffset
```
int arrayOffset()
```
    The offset into the underlying byte array.
  - toUtf8
```
String toUtf8()
```
    Converts to a string based on utf8.
  - toBytesRef
```
org.apache.lucene.util.BytesRef toBytesRef()
```
    Converts to Lucene BytesRef.
  - copyBytesRef
```
org.apache.lucene.util.BytesRef copyBytesRef()
```
    Converts to a copied Lucene BytesRef.

Interface BytesReference

Nested Class Summary

Method Summary

Method Detail

get

length

slice

streamInput

writeTo

writeTo

toBytes

toBytesArray

copyBytesArray

toChannelBuffer

hasArray

array

arrayOffset

toUtf8

toBytesRef

copyBytesRef