Uses of Class
org.jrobin.core.RrdException

Packages that use RrdException

org.jrobin.cmd	Command line implementation.
org.jrobin.core	core JRobin implementation.
org.jrobin.core.timespec
org.jrobin.data	JRobin data management.
org.jrobin.graph	JRobin graph capabilities.

Uses of RrdException in org.jrobin.cmd

Methods in org.jrobin.cmd that throw RrdException

static Object

RrdCommander.execute(String command) Executes single RRDTool command.

Uses of RrdException in org.jrobin.core

Methods in org.jrobin.core that throw RrdException

void	RrdDef.addArchive(ArcDef arcDef) Adds single archive definition represented with object of class ArcDef.
void	RrdDef.addArchive(ArcDef[] arcDefs) Adds archive definitions to RRD definition in bulk.
void	RrdDef.addArchive(String rrdToolArcDef) Adds single archive to RRD definition from a RRDTool-like archive definition string.
static void	RrdToolkit.addArchive(String sourcePath, ArcDef newArchive, boolean saveBackup) Adds one more archive to a RRD file.
void	RrdDef.addArchive(String consolFun, double xff, int steps, int rows) Adds single archive definition by specifying its consolidation function, X-files factor, number of steps and rows.
static void	RrdToolkit.addArchive(String sourcePath, String destPath, ArcDef newArchive) Creates a new RRD file with one more archive in it.
void	RrdDef.addDatasource(DsDef dsDef) Adds single datasource definition represented with object of class DsDef.
void	RrdDef.addDatasource(DsDef[] dsDefs) Adds data source definitions to RRD definition in bulk.
void	RrdDef.addDatasource(String rrdToolDsDef) Adds single datasource to RRD definition from a RRDTool-like datasource definition string.
static void	RrdToolkit.addDatasource(String sourcePath, DsDef newDatasource, boolean saveBackup) Adds one more datasource to a RRD file.
static void	RrdToolkit.addDatasource(String sourcePath, String destPath, DsDef newDatasource) Creates a new RRD file with one more datasource in it.
void	RrdDef.addDatasource(String dsName, String dsType, long heartbeat, double minValue, double maxValue) Adds single datasource to RRD definition by specifying its data source name, source type, heartbeat, minimal and maximal value.
void	RrdDb.copyStateTo(org.jrobin.core.RrdUpdater other) Copies object's internal state to another RrdDb object.
void	Robin.copyStateTo(org.jrobin.core.RrdUpdater other) Copies object's internal state to another Robin object.
void	Header.copyStateTo(org.jrobin.core.RrdUpdater other) Copies object's internal state to another Header object.
void	Datasource.copyStateTo(org.jrobin.core.RrdUpdater other) Copies object's internal state to another Datasource object.
void	ArcState.copyStateTo(org.jrobin.core.RrdUpdater other) Copies object's internal state to another ArcState object.
void	Archive.copyStateTo(org.jrobin.core.RrdUpdater other) Copies object's internal state to another Archive object.
FetchRequest	RrdDb.createFetchRequest(String consolFun, long fetchStart, long fetchEnd) Prepares fetch request to be executed on this RRD.
FetchRequest	RrdDb.createFetchRequest(String consolFun, long fetchStart, long fetchEnd, long resolution) Prepares fetch request to be executed on this RRD.
void	RrdDb.dumpXml(String filename) Dumps internal RRD state to XML file.
String	RrdDb.exportXml() This method is just an alias for getXml method.
void	RrdDb.exportXml(String filename) This method is just an alias for dumpXml(String) method.
FetchData	FetchRequest.fetchData() Returns data from the underlying RRD and puts it in a single FetchData object.
Archive	RrdDb.findMatchingArchive(FetchRequest request)
static int	RrdToolkit.forceZerosForNans(String sourcePath, String dsName) Updates single or all datasource names in the specified RRD file by appending '!' (if not already present).
double	FetchData.get95Percentile(String dsName) Used by ISPs which charge for bandwidth utilization on a "95th percentile" basis.
double	FetchData.getAggregate(String dsName, String consolFun) Returns single aggregated value from the fetched data for a single datasource.
double	FetchData.getAggregate(String dsName, String consolFun, String rpnExpression) Deprecated. This method is preserved just for backward compatibility.
Aggregates	FetchData.getAggregates(String dsName) Returns all aggregated values (MIN, MAX, LAST, FIRST, AVERAGE or TOTAL) calculated from the fetched data for a single datasource.
int	RrdDb.getArcIndex(String consolFun, int steps) Returns index of Archive object with the given consolidation function and the number of steps.
protected String	XmlTemplate.getChildValue(Node parentNode, String childName)
static String	Util.Xml.getChildValue(Node parentNode, String childName)
protected String	XmlTemplate.getChildValue(Node parentNode, String childName, boolean trim)
static String	Util.Xml.getChildValue(Node parentNode, String childName, boolean trim)
protected boolean	XmlTemplate.getChildValueAsBoolean(Node parentNode, String childName)
static boolean	Util.Xml.getChildValueAsBoolean(Node parentNode, String childName)
protected double	XmlTemplate.getChildValueAsDouble(Node parentNode, String childName)
static double	Util.Xml.getChildValueAsDouble(Node parentNode, String childName)
protected int	XmlTemplate.getChildValueAsInt(Node parentNode, String childName)
static int	Util.Xml.getChildValueAsInt(Node parentNode, String childName)
protected long	XmlTemplate.getChildValueAsLong(Node parentNode, String childName)
static long	Util.Xml.getChildValueAsLong(Node parentNode, String childName)
int	RrdDb.getDsIndex(String dsName) Returns internal index number for the given datasource name.
static RrdBackendFactory	RrdBackendFactory.getFactory(String name) Returns backend factory for the given backend factory name.
protected static Node	XmlTemplate.getFirstChildNode(Node parentNode, String childName)
static Node	Util.Xml.getFirstChildNode(Node parentNode, String childName)
static RrdDbPool	RrdDbPool.getInstance() Creates a single instance of the class on the first call, or returns already existing one.
double	RrdDb.getLastDatasourceValue(String dsName) Returns the last stored value for the given datasource.
static Element	Util.Xml.getRootElement(File xmlFile)
static Element	Util.Xml.getRootElement(InputSource inputSource)
static Element	Util.Xml.getRootElement(String xmlString)
double	FetchData.getRpn95Percentile(String rpnExpression) Same as FetchData.get95Percentile(String), but for a set of values calculated with the given RPN expression.
double	FetchData.getRpnAggregate(String rpnExpression, String consolFun) Returns aggregated value for a set of values calculated by applying an RPN expression to the fetched data.
Aggregates	FetchData.getRpnAggregates(String rpnExpression) Returns all aggregated values for a set of values calculated by applying an RPN expression to the fetched data.
double[]	FetchData.getRpnValues(String rpnExpression) Returns a set of values created by applying RPN expression to the fetched data.
RrdDef	RrdDefTemplate.getRrdDef() Returns RrdDef object constructed from the underlying XML template.
RrdDef	RrdDb.getRrdDef() Returns RRD definition object which can be used to create new RRD with the same creation parameters but with no data in it.
static long	Util.getTimestamp(String atStyleTimeSpec) Parses at-style time specification and returns the corresponding timestamp.
static long[]	Util.getTimestamps(String atStyleTimeSpec1, String atStyleTimeSpec2) Parses two related at-style time specifications and returns corresponding timestamps.
protected Paint	XmlTemplate.getValueAsColor(Node parentNode)
double[]	FetchData.getValues(String dsName) Returns all archived values for a single datasource.
String	RrdDb.getXml() Returns string representing internal RRD state in XML format.
static Paint	Util.parseColor(String valueStr) Parses input string as color.
static void	RrdBackendFactory.registerAndSetAsDefaultFactory(RrdBackendFactory factory) Registers new (custom) backend factory within the JRobin framework and sets this factory as the default.
static void	RrdBackendFactory.registerFactory(RrdBackendFactory factory) Registers new (custom) backend factory within the JRobin framework.
void	RrdDbPool.release(RrdDb rrdDb) Releases RrdDb reference previously obtained from the pool.
static void	RrdToolkit.removeArchive(String sourcePath, String consolFun, int steps, boolean saveBackup) Removes one archive from a RRD file.
static void	RrdToolkit.removeArchive(String sourcePath, String destPath, String consolFun, int steps) Creates a new RRD file with one archive removed.
static void	RrdToolkit.removeDatasource(String sourcePath, String dsName, boolean saveBackup) Removes single datasource from a RRD file.
static void	RrdToolkit.removeDatasource(String sourcePath, String destPath, String dsName) Creates a new RRD file with one datasource removed.
static void	RrdToolkit.renameDatasource(String sourcePath, String oldDsName, String newDsName) Renames single datasource in the given RRD file.
RrdDb	RrdDbPool.requestRrdDb(RrdDef rrdDef) Requests a RrdDb reference for the given RRD file definition object.
RrdDb	RrdDbPool.requestRrdDb(String path) Requests a RrdDb reference for the given RRD file path.
RrdDb	RrdDbPool.requestRrdDb(String path, String sourcePath) Requests a RrdDb reference for the given path.
static void	RrdToolkit.resizeArchive(String sourcePath, String consolFun, int numSteps, int newRows, boolean saveBackup) Modifies existing RRD file, by resizing its chosen archive.
static void	RrdToolkit.resizeArchive(String sourcePath, String destPath, String consolFun, int numSteps, int newRows) Creates new RRD file based on the existing one, but with a different size (number of rows) for a single archive.
Sample	Sample.set(String timeAndValues) Sets sample timestamp and data source values in a fashion similar to RRDTool.
void	Sample.setAndUpdate(String timeAndValues) Creates sample with the timestamp and data source values supplied in the argument string and stores sample in the corresponding RRD.
static void	RrdToolkit.setArcXff(String sourcePath, String consolFun, int steps, double newXff) Sets single archive's X-files factor to a new value.
static void	RrdDb.setDefaultFactory(String factoryName) Sets default backend factory to be used.
static void	RrdBackendFactory.setDefaultFactory(String factoryName) Replaces the default backend factory with a new one.
static void	RrdToolkit.setDsHeartbeat(String sourcePath, int dsIndex, long newHeartbeat) Sets datasource heartbeat to a new value.
static void	RrdToolkit.setDsHeartbeat(String sourcePath, String datasourceName, long newHeartbeat) Sets datasource heartbeat to a new value.
static void	RrdToolkit.setDsMaxValue(String sourcePath, String datasourceName, double newMaxValue, boolean filterArchivedValues) Sets datasource max value to a new value.
static void	RrdToolkit.setDsMinMaxValue(String sourcePath, String datasourceName, double newMinValue, double newMaxValue, boolean filterArchivedValues) Updates valid value range for the given datasource.
static void	RrdToolkit.setDsMinValue(String sourcePath, String datasourceName, double newMinValue, boolean filterArchivedValues) Sets datasource min value to a new value
void	Datasource.setDsName(String newDsName) Sets datasource name to a new value
void	Datasource.setDsType(String newDsType)
void	Datasource.setHeartbeat(long heartbeat) Sets datasource heartbeat to a new value.
void	Datasource.setMaxValue(double maxValue, boolean filterArchivedValues) Sets maximum allowed value for this datasource.
void	Datasource.setMinMaxValue(double minValue, double maxValue, boolean filterArchivedValues) Sets min/max values allowed for this datasource.
void	Datasource.setMinValue(double minValue, boolean filterArchivedValues) Sets minimum allowed value for this datasource.
Sample	Sample.setValue(int i, double value) Sets single datasource value using data source index.
Sample	Sample.setValue(String dsName, double value) Sets single data source value in the sample.
Sample	Sample.setValues(double[] values) Sets some (possibly all) data source values in bulk.
void	Robin.setValues(double[] newValues) Updates archived values in bulk.
void	Archive.setXff(double xff) Sets X-files factor to a new value.
static void	RrdToolkit.split(String sourcePath) Splits single RRD file with several datasources into a number of smaller RRD files with a single datasource in it.
void	Sample.update() Stores sample in the corresponding RRD.
protected void	XmlTemplate.validateTagsOnlyOnce(Node parentNode, String[] allowedChildNames)

Constructors in org.jrobin.core that throw RrdException

ArcDef(String consolFun, double xff, int steps, int rows)
Creates new archive definition object.

DsDef(String dsName, String dsType, long heartbeat, double minValue, double maxValue)
Creates new data source definition object.

RrdDb(RrdDef rrdDef)
Constructor used to create new RRD object from the definition.

RrdDb(RrdDef rrdDef, RrdBackendFactory factory)
Constructor used to create new RRD object from the definition object but with a storage (backend) different from default.

RrdDb(String path)
Constructor used to open already existing RRD in R/W mode, with a default storage (backend) type (file on the disk).

RrdDb(String path, boolean readOnly)
Constructor used to open already existing RRD.

RrdDb(String path, boolean readOnly, RrdBackendFactory factory)
Constructor used to open already existing RRD backed with a storage (backend) different from default.

RrdDb(String path, RrdBackendFactory factory)
Constructor used to open already existing RRD in R/W mode with a storage (backend) type different from default.

RrdDb(String rrdPath, String externalPath)
Constructor used to create RRD files from external file sources.

RrdDb(String rrdPath, String externalPath, RrdBackendFactory factory)
Constructor used to create RRD files from external file sources with a backend type different from default.

RrdDef(String path)
Creates new RRD definition object with the given path.

RrdDef(String path, long step)
Creates new RRD definition object with the given path and step.

RrdDef(String path, long startTime, long step)
Creates new RRD definition object with the given path, starting timestamp and step.

RrdDefTemplate(File xmlFile)
Creates RrdDefTemplate object from the file containing XML template.

RrdDefTemplate(InputSource xmlInputSource)
Creates RrdDefTemplate object from any parsable XML input source.

RrdDefTemplate(String xmlString)
Creates RrdDefTemplate object from the string containing XML template.

XmlTemplate(File xmlFile)

XmlTemplate(InputSource xmlSource)

XmlTemplate(String xmlString)

Uses of RrdException in org.jrobin.core.timespec

Methods in org.jrobin.core.timespec that throw RrdException

static Calendar[]	TimeSpec.getTimes(TimeSpec spec1, TimeSpec spec2) Use this static method to resolve relative time references and obtain the corresponding Calendar objects.
long	TimeSpec.getTimestamp() Returns the corresponding timestamp (seconds since Epoch).
static long[]	TimeSpec.getTimestamps(TimeSpec spec1, TimeSpec spec2) Use this static method to resolve relative time references and obtain the corresponding timestamps (seconds since epoch).
TimeSpec	TimeParser.parse() Parses the input string specified in the constructor.

Uses of RrdException in org.jrobin.data

Methods in org.jrobin.data that throw RrdException

String	DataProcessor.dump() Dumps timestamps and values of all datasources in a tabelar form.
double	DataProcessor.get95Percentile(String sourceName) This method is just an alias for DataProcessor.getPercentile(String) method.
double	Aggregates.getAggregate(String consolFun) Returns single aggregated value for the give consolidation function
double	DataProcessor.getAggregate(String sourceName, String consolFun) Returns single aggregated value for a single datasource.
Aggregates	DataProcessor.getAggregates(String sourceName) Returns all (MIN, MAX, LAST, FIRST, AVERAGE and TOTAL) aggregated values for a single datasource.
double	DataProcessor.getPercentile(String sourceName) Used by ISPs which charge for bandwidth utilization on a "95th percentile" basis.
double	DataProcessor.getPercentile(String sourceName, double percentile) The same as DataProcessor.getPercentile(String) but with a possibility to define custom percentile boundary (different from 95).
long[]	DataProcessor.getTimestamps() Returns consolidated timestamps created with the DataProcessor.processData() method.
double[][]	DataProcessor.getValues() Returns an array of all datasource values for all datasources.
double[]	DataProcessor.getValues(String sourceName) Returns calculated values for a single datasource.
double[]	DataProcessor.getValuesPerPixel(String sourceName) Method used to calculate datasource values which should be presented on the graph based on the graph width set with a DataProcessor.setPixelCount(int) method call.
double[]	DataProcessor.getValuesPerPixel(String sourceName, int pixelCount) Method used to calculate datasource values which should be presented on the graph based on the desired graph width.
static void	DataProcessor.main(String[] args) Cute little demo.
void	DataProcessor.processData() Method that should be called once all datasources are defined.

Constructors in org.jrobin.data that throw RrdException

CubicSplineInterpolator(Calendar[] dates, double[] values)
Creates cubic spline interpolator from arrays of GregorianCalendar objects and corresponding datasource values.

CubicSplineInterpolator(Date[] dates, double[] values)
Creates cubic spline interpolator from arrays of Date objects and corresponding datasource values.

CubicSplineInterpolator(double[] x, double[] y)
Creates cubic spline interpolator for an array of 2D-points.

CubicSplineInterpolator(long[] timestamps, double[] values)
Creates cubic spline interpolator from arrays of timestamps and corresponding datasource values.

DataProcessor(Calendar gc1, Calendar gc2)
Creates new DataProcessor object for the given time span.

DataProcessor(Date d1, Date d2)
Creates new DataProcessor object for the given time span.

DataProcessor(long t1, long t2)
Creates new DataProcessor object for the given time span.

LinearInterpolator(Calendar[] dates, double[] values)
Creates LinearInterpolator from arrays of timestamps and corresponding datasource values.

LinearInterpolator(Date[] dates, double[] values)
Creates LinearInterpolator from arrays of timestamps and corresponding datasource values.

LinearInterpolator(long[] timestamps, double[] values)
Creates LinearInterpolator from arrays of timestamps and corresponding datasource values.

Uses of RrdException in org.jrobin.graph

Methods in org.jrobin.graph that throw RrdException

RrdGraphDef	RrdGraphDefTemplate.getRrdGraphDef() Creates RrdGraphDef object which can be used to create RrdGraph object (actual JRobin graphs).
void	RrdGraphDef.setColor(int colorTag, Paint color) Overrides the colors for the standard elements of the graph.
void	RrdGraphDef.setColor(String colorName, Paint color) Overrides the colors for the standard elements of the graph by element name.
void	RrdGraphDef.stack(String srcName, Paint color, String legend) Does the same as RrdGraphDef.line(String, java.awt.Paint, String), but the graph gets stacked on top of the previous LINE, AREA or STACK graph.

Constructors in org.jrobin.graph that throw RrdException

RrdGraph(RrdGraphDef gdef)
Creates graph from the corresponding RrdGraphDef object.

RrdGraphDefTemplate(File xmlFile)
Creates template object from the file containing XML template code

RrdGraphDefTemplate(InputSource inputSource)
Creates template object from any parsable XML source

RrdGraphDefTemplate(String xmlString)
Creates template object from the string containing XML template code