ExternalBlock (htsjdk 2.18.2 API)

java.lang.Object
- htsjdk.samtools.cram.structure.block.Block
- - htsjdk.samtools.cram.structure.block.ExternalBlock

```
public class ExternalBlock
extends Block
```
A Block used by Slices to store data externally

Field Summary
- Fields inherited from class htsjdk.samtools.cram.structure.block.Block
  NO_CONTENT_ID

Constructor Summary

Constructors
Constructor	Description
`ExternalBlock(BlockCompressionMethod compressionMethod, int contentId, byte[] compressedContent, int uncompressedLength)`	Create a new external data block with the given compression method, uncompressed content, and content ID.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

int getContentId()
Return the External Content ID for this block.
- Methods inherited from class htsjdk.samtools.cram.structure.block.Block
  createRawCompressionHeaderBlock, createRawCoreDataBlock, createRawFileHeaderBlock, createRawSliceHeaderBlock, getCompressedContent, getCompressedContentSize, getCompressionMethod, getContentType, getUncompressedContent, getUncompressedContentSize, read, toString, write
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ExternalBlock
```
public ExternalBlock(BlockCompressionMethod compressionMethod,
                     int contentId,
                     byte[] compressedContent,
                     int uncompressedLength)
```
    Create a new external data block with the given compression method, uncompressed content, and content ID. The block will have EXTERNAL content type.
    
    Parameters:
    
    compressionMethod - the compression method used in this block
    
    contentId - the external identifier for the block
    
    compressedContent - the content of this block, in compressed mode
    
    uncompressedLength - the length of the content stored in this block when uncompressed
- Method Detail
  - getContentId
```
public final int getContentId()
```
    Description copied from class: Block
    
    Return the External Content ID for this block. Only ExternalBlocks have a meaningful Content ID, so that class overrides this method.
    
    Overrides:
    
    getContentId in class Block
    
    Returns:
    
    the External Content ID, or NO_CONTENT_ID