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| Uses of RrdException in org.opennms.netmgt.rrd |
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| Methods in org.opennms.netmgt.rrd that throw RrdException | |
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java.io.InputStream |
RrdStrategy.createGraph(java.lang.String command,
java.io.File workDir)
Creates an InputStream representing the bytes of a graph created from round robin data. |
java.io.InputStream |
QueuingRrdStrategy.createGraph(java.lang.String command,
java.io.File workDir)
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static java.io.InputStream |
RrdUtils.createGraph(java.lang.String command,
java.io.File workDir)
Creates an InputStream representing the bytes of a graph created from round robin data. |
static boolean |
RrdUtils.createRRD(java.lang.String creator,
java.lang.String directory,
java.lang.String rrdName,
int step,
java.util.List dataSources,
java.util.List rraList)
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static boolean |
RrdUtils.createRRD(java.lang.String creator,
java.lang.String directory,
java.lang.String dsName,
int step,
java.lang.String dsType,
int dsHeartbeat,
java.lang.String dsMin,
java.lang.String dsMax,
java.util.List rraList)
Create a round robin database file. |
java.lang.Double |
RrdStrategy.fetchLastValue(java.lang.String rrdFile,
int interval)
Fetches the last value from the round robin database with the given name. |
java.lang.Double |
QueuingRrdStrategy.fetchLastValue(java.lang.String rrdFile,
int interval)
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static java.lang.Double |
RrdUtils.fetchLastValue(java.lang.String rrdFile,
int interval)
This method issues an round robin fetch command to retrieve the last value of the datasource stored in the specified RRD file. |
java.lang.Double |
RrdStrategy.fetchLastValueInRange(java.lang.String rrdFile,
int interval,
int range)
Fetches the last value from the round robin database with the given name within a time range. |
java.lang.Double |
QueuingRrdStrategy.fetchLastValueInRange(java.lang.String rrdFile,
int interval,
int range)
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static java.lang.Double |
RrdUtils.fetchLastValueInRange(java.lang.String rrdFile,
int interval,
int range)
This method issues an round robing fetch command to retrieve the last value of the datasource stored in the specified RRD file within given tolerance (which should be a multiple of the RRD interval). |
static void |
RrdUtils.graphicsInitialize()
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static void |
RrdUtils.initialize()
Initializes the underlying round robin system and sets up the appropriate strategy. |
static void |
RrdUtils.updateRRD(java.lang.String owner,
java.lang.String repositoryDir,
java.lang.String rrdName,
long timestamp,
java.lang.String val)
Add datapoints to a round robin database. |
static void |
RrdUtils.updateRRD(java.lang.String owner,
java.lang.String repositoryDir,
java.lang.String rrdName,
java.lang.String val)
Add datapoints to a round robin database using the current system time as the timestamp for the values |
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