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java.lang.Objectorg.apache.cassandra.io.SequenceFile.AbstractWriter
org.apache.cassandra.io.SequenceFile.ConcurrentWriter
public static class SequenceFile.ConcurrentWriter
Field Summary |
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Fields inherited from class org.apache.cassandra.io.SequenceFile.AbstractWriter |
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filename_ |
Constructor Summary | |
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SequenceFile.ConcurrentWriter(java.lang.String filename)
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Method Summary | |
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void |
append(DataOutputBuffer buffer)
Appends the buffer to the the underlying SequenceFile. |
void |
append(DataOutputBuffer keyBuffer,
DataOutputBuffer buffer)
Appends the key and the value to the the underlying SequenceFile. |
void |
append(java.lang.String key,
byte[] value)
Appends the key and the value to the the underlying SequenceFile. |
void |
append(java.lang.String key,
DataOutputBuffer buffer)
Appends the key and the value to the the underlying SequenceFile. |
void |
append(java.lang.String key,
long value)
Appends the key and the long value to the the underlying SequenceFile. |
void |
close()
Close the file which is being used for the write. |
void |
close(byte[] footer,
int size)
Close the file after appending the passed in footer information. |
long |
getCurrentPosition()
Get the current position of the file pointer. |
java.lang.String |
getFileName()
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long |
getFileSize()
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void |
seek(long position)
Seeks the file pointer to the specified position. |
long |
writeDirect(byte[] bytes)
Be extremely careful while using this API. |
void |
writeLong(long value)
Write a long into the underlying sub system. |
Methods inherited from class org.apache.cassandra.io.SequenceFile.AbstractWriter |
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lastModified |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public SequenceFile.ConcurrentWriter(java.lang.String filename) throws java.io.IOException
java.io.IOException
Method Detail |
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public long getCurrentPosition() throws java.io.IOException
IFileWriter
java.io.IOException
public void seek(long position) throws java.io.IOException
IFileWriter
position
- position within the file to seek to.
java.io.IOException
public void append(DataOutputBuffer buffer) throws java.io.IOException
IFileWriter
buffer
- buffer which contains the serialized data.
java.io.IOException
public void append(DataOutputBuffer keyBuffer, DataOutputBuffer buffer) throws java.io.IOException
IFileWriter
keyBuffer
- buffer which contains the serialized key.buffer
- buffer which contains the serialized data.
java.io.IOException
public void append(java.lang.String key, DataOutputBuffer buffer) throws java.io.IOException
IFileWriter
key
- key associated with this peice of data.buffer
- buffer containing the serialized data.
java.io.IOException
public void append(java.lang.String key, byte[] value) throws java.io.IOException
IFileWriter
key
- key associated with this peice of data.value
- byte array containing the serialized data.
java.io.IOException
public void append(java.lang.String key, long value) throws java.io.IOException
IFileWriter
key
- key associated with this peice of data.value
- value associated with this key.
java.io.IOException
public long writeDirect(byte[] bytes) throws java.io.IOException
IFileWriter
bytes
- serialized version of the commit log header.
java.io.IOException
public void writeLong(long value) throws java.io.IOException
IFileWriter
value
- long to be written
java.io.IOException
public void close() throws java.io.IOException
IFileWriter
java.io.IOException
public void close(byte[] footer, int size) throws java.io.IOException
IFileWriter
footer
- footer information.size
- size of the footer.
java.io.IOException
public java.lang.String getFileName()
getFileName
in interface IFileWriter
getFileName
in class SequenceFile.AbstractWriter
public long getFileSize() throws java.io.IOException
java.io.IOException
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