org.apache.solr.metrics.rrd

Class SolrRrdBackend

java.lang.Object

org.rrd4j.core.RrdBackend

org.rrd4j.core.ByteBufferBackend

org.rrd4j.core.RrdByteArrayBackend

org.apache.solr.metrics.rrd.SolrRrdBackend

All Implemented Interfaces:

Closeable, AutoCloseable

public class SolrRrdBackend
extends org.rrd4j.core.RrdByteArrayBackend
implements Closeable

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SolrRrdBackend.SyncData

Field Summary

Fields inherited from class org.rrd4j.core.RrdBackend

BYTEORDER

Constructor Summary

Constructors

Constructor and Description
SolrRrdBackend(SolrRrdBackend other) Open an unregistered (throwaway) read-only clone of another backend.
SolrRrdBackend(String path, boolean readOnly, SolrRrdBackendFactory factory)

Method Summary

Modifier and Type	Method and Description
void	close()
long	getLastModifiedTime()
SolrRrdBackend.SyncData	getSyncDataAndMarkClean()
protected boolean	isDirty()
boolean	isReadOnly()
protected void	setBuffer(byte[] buffer)
protected void	setLength(long length)
protected void	write(long offset, byte[] bytes)
protected void	writeDouble(long offset, double value)
protected void	writeDouble(long offset, double[] values)
protected void	writeDouble(long offset, double value, int count)
protected void	writeInt(long offset, int value)
protected void	writeLong(long offset, long value)
protected void	writeShort(long offset, short value)
protected void	writeString(long offset, String value, int length)

Methods inherited from class org.rrd4j.core.RrdByteArrayBackend

getBuffer, getLength, read

Methods inherited from class org.rrd4j.core.ByteBufferBackend

getCharBuffer, readDouble, readDouble, readInt, readLong, readShort, rrdClose, setByteBuffer

Methods inherited from class org.rrd4j.core.RrdBackend

getFactory, getPath, getUri, isCachingAllowed, readAll, readString, writeString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SolrRrdBackend

public SolrRrdBackend(String path,
                      boolean readOnly,
                      SolrRrdBackendFactory factory)

SolrRrdBackend

public SolrRrdBackend(SolrRrdBackend other)

Open an unregistered (throwaway) read-only clone of another backend.

Parameters:

other - other backend

Method Detail

isReadOnly

public boolean isReadOnly()

getLastModifiedTime

public long getLastModifiedTime()

write

protected void write(long offset,
                     byte[] bytes)
              throws IOException

Overrides:

write in class org.rrd4j.core.ByteBufferBackend

Throws:

IOException

writeShort

protected void writeShort(long offset,
                          short value)
                   throws IOException

Overrides:

writeShort in class org.rrd4j.core.ByteBufferBackend

Throws:

IOException

writeInt

protected void writeInt(long offset,
                        int value)
                 throws IOException

Overrides:

writeInt in class org.rrd4j.core.ByteBufferBackend

Throws:

IOException

writeLong

protected void writeLong(long offset,
                         long value)
                  throws IOException

Overrides:

writeLong in class org.rrd4j.core.ByteBufferBackend

Throws:

IOException

writeDouble

protected void writeDouble(long offset,
                           double value)
                    throws IOException

Overrides:

writeDouble in class org.rrd4j.core.ByteBufferBackend

Throws:

IOException

writeDouble

protected void writeDouble(long offset,
                           double value,
                           int count)
                    throws IOException

Overrides:

writeDouble in class org.rrd4j.core.ByteBufferBackend

Throws:

IOException

writeDouble

protected void writeDouble(long offset,
                           double[] values)
                    throws IOException

Overrides:

writeDouble in class org.rrd4j.core.ByteBufferBackend

Throws:

IOException

writeString

protected void writeString(long offset,
                           String value,
                           int length)
                    throws IOException

Overrides:

writeString in class org.rrd4j.core.ByteBufferBackend

Throws:

IOException

isDirty

protected boolean isDirty()

Overrides:

isDirty in class org.rrd4j.core.ByteBufferBackend

setBuffer

protected void setBuffer(byte[] buffer)

Overrides:

setBuffer in class org.rrd4j.core.RrdByteArrayBackend

setLength

protected void setLength(long length)
                  throws IOException

Overrides:

setLength in class org.rrd4j.core.RrdByteArrayBackend

Throws:

IOException

getSyncDataAndMarkClean

public SolrRrdBackend.SyncData getSyncDataAndMarkClean()

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class org.rrd4j.core.ByteBufferBackend

Throws:

IOException