Package org.duracloud.chunk.writer

Class DuracloudContentWriter

java.lang.Object
org.duracloud.chunk.writer.DuracloudContentWriter
All Implemented Interfaces:
ContentWriter
public class DuracloudContentWriter extends Object implements ContentWriter
This class implements the ContentWriter interface to write the provided content to the Duracloud storeclient interface. Warning: this class is NOT thread-safe.
Author:
Andrew Woods Date: Feb 5, 2010

  • Constructor Details

    • DuracloudContentWriter

      public DuracloudContentWriter(ContentStore contentStore, String username)

    • DuracloudContentWriter

      public DuracloudContentWriter(ContentStore contentStore, String username, int maxRetries, int waitInMsBetweenRetries)

    • DuracloudContentWriter

      public DuracloudContentWriter(ContentStore contentStore, String username, boolean throwOnError, boolean jumpStart)

    • DuracloudContentWriter

      public DuracloudContentWriter(ContentStore contentStore, String username, boolean throwOnError, boolean jumpStart, int maxRetries, int waitInMsBetweenRetries)

  • Method Details

    • getMaxRetries

      public int getMaxRetries()

    • getResults

      public List<AddContentResult> getResults()
      Description copied from interface: ContentWriter
      This method returns an item-by-item list of results for the write requests.
      Specified by:
      getResults in interface ContentWriter
      Returns:
      List of results

    • ignore

      public void ignore(String spaceId, String contentId, long contentSize)
      Description copied from interface: ContentWriter
      This method helps with the book-keeping of which files are ignored.
      Specified by:
      ignore in interface ContentWriter
      Parameters:
      spaceId - destination where arg content was assigned to be written
      contentId - of content
      contentSize - of content

    • write

      public ChunksManifest write(String spaceId, ChunkableContent chunkable, Map<String,String> contentProperties) throws NotFoundException
      This method implements the ContentWriter interface for writing content to a DataStore. In this case, the DataStore is durastore.
      Specified by:
      write in interface ContentWriter
      Parameters:
      spaceId - destination space of arg chunkable content
      chunkable - content to be written
      contentProperties - user defined properties to be stored with chunkable content
      Returns:
      ChunksManifest of written content
      Throws:
      NotFoundException - if space is not found

    • errorsExist

      protected boolean errorsExist()

    • setChecksumUtil

      protected void setChecksumUtil(ChecksumUtil checksumUtil)

    • write

      public ChunksManifest write(String spaceId, ChunkableContent chunkable) throws NotFoundException
      Description copied from interface: ContentWriter
      This method writes the ChunkableContent to the arg space.
      Specified by:
      write in interface ContentWriter
      Parameters:
      spaceId - destination where arg chunkable content will be written
      chunkable - content to be written
      Returns:
      ChunksManifest of written content
      Throws:
      NotFoundException - on error

    • writeSingle

      public String writeSingle(String spaceId, String chunkChecksum, ChunkInputStream chunk, Map<String,String> properties) throws NotFoundException
      This method writes a single chunk to the DataStore.
      Specified by:
      writeSingle in interface ContentWriter
      Parameters:
      spaceId - destination where arg chunk content will be written
      chunkChecksum - md5 checksum of the chunk if known, null otherwise
      chunk - content to be written
      properties - user-defined properties for the content
      Returns:
      MD5 of written content
      Throws:
      NotFoundException - if space is not found

    • writeSingle

      public String writeSingle(String spaceId, String chunkChecksum, ChunkInputStream chunk) throws NotFoundException
      Description copied from interface: ContentWriter
      This method writes the arg Chunk to the arg space. It is intended for use when when the arg chunk is actually a complete piece of content
      Specified by:
      writeSingle in interface ContentWriter
      Parameters:
      spaceId - destination where arg chunk content will be written
      chunkChecksum - md5 checksum of the chunk if known, null otherwise
      chunk - content to be written
      Returns:
      MD5 of content
      Throws:
      NotFoundException - on error