Package org.rrd4j.core.jrrd
Class RRDFile
java.lang.Object
org.rrd4j.core.jrrd.RRDFile
- All Implemented Interfaces:
Constants
This class is used read information from an RRD file. Writing
to RRD files is not currently supported. It uses NIO's RandomAccessFile to read the file
Currently this can read RRD files that were generated on Solaris (Sparc)
and Linux (x86).
- Version:
- $Revision: 1.1 $
- Author:
- Ciaran Treanor
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Field Summary
Fields inherited from interface org.rrd4j.core.jrrd.Constants
CF_NAM_SIZE, COOKIE, DS_NAM_SIZE, DST_SIZE, FLOAT_COOKIE, LAST_DS_LEN, MAX_SUPPORTED_VERSION, SIZE_OF_DOUBLE, UNDEFINED_VERSION, UNDEFINED_VERSION_AS_INT, VERSION_WITH_LAST_UPDATE_SEC
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescription(package private) int
align()
(package private) int
align
(int boundary) (package private) void
close()
(package private) int
(package private) int
getBits()
(package private) long
(package private) UnivalArray
getUnivalArray
(int size) (package private) long
info()
(package private) boolean
(package private) void
read
(ByteBuffer bb) (package private) double
(package private) int
readInt()
(package private) int
readLong()
(package private) String
readString
(int maxLength) void
seek
(long position) void
(package private) void
skipBytes
(int n)
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Constructor Details
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RRDFile
RRDFile(String name) throws IOException - Throws:
IOException
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RRDFile
RRDFile(File file) throws IOException - Throws:
IOException
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Method Details
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isBigEndian
boolean isBigEndian() -
getAlignment
int getAlignment() -
readDouble
- Throws:
IOException
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readInt
- Throws:
IOException
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readLong
- Throws:
IOException
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readString
- Throws:
IOException
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skipBytes
- Throws:
IOException
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align
- Throws:
IOException
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align
- Throws:
IOException
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info
- Throws:
IOException
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getFilePointer
- Throws:
IOException
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close
- Throws:
IOException
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read
- Throws:
IOException
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getUnivalArray
- Throws:
IOException
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getBits
int getBits()- Returns:
- the long size in bits for this file
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seek
public void seek(long position) -
seekToEndOfFile
public void seekToEndOfFile()
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