com.spotify.sparkey

Interface SparkeyWriter

public interface SparkeyWriter

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Flush and close the writer.
void	delete(byte[] key) Deletes the key from the writer.
void	delete(String key) Deletes the key from the writer, as UTF-8
void	flush() Flush all pending writes to file.
void	put(byte[] key, byte[] value) Append the key/value pair to the writer.
void	put(byte[] key, InputStream valueStream, long valueLen) Append the key/value pair to the writer.
void	put(String key, String value) Append the key/value pair to the writer, as UTF-8.
void	writeHash() Create or rewrite the index, which is required for random lookups to be visible.
void	writeHash(HashType hashType) Create or rewrite the index, which is required for random lookups to be visible.

Method Detail

put

void put(String key,
       String value)
         throws IOException

Append the key/value pair to the writer, as UTF-8.

Throws:

IOException

put

void put(byte[] key,
       byte[] value)
         throws IOException

Append the key/value pair to the writer.

Throws:

IOException

put

void put(byte[] key,
       InputStream valueStream,
       long valueLen)
         throws IOException

Append the key/value pair to the writer. Only uses the first valueLen bytes from valueStream.

Throws:

IOException

delete

void delete(String key)
            throws IOException

Deletes the key from the writer, as UTF-8

Throws:

IOException

delete

void delete(byte[] key)
            throws IOException

Deletes the key from the writer.

Throws:

IOException

flush

void flush()
           throws IOException

Flush all pending writes to file.

Throws:

IOException

close

void close()
           throws IOException

Flush and close the writer.

Throws:

IOException

writeHash

void writeHash()
               throws IOException

Create or rewrite the index, which is required for random lookups to be visible.

Throws:

IOException

writeHash

void writeHash(HashType hashType)
               throws IOException

Create or rewrite the index, which is required for random lookups to be visible.

Parameters:

hashType - choice of hash type, can be 32 or 64 bits.

Throws:

IOException