Java Doc for MetricSnapshotStore.java in  » Testing » PolePosition-0.20 » com » versant » core » metric » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » PolePosition 0.20 » com.versant.core.metric   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.versant.core.metric.MetricSnapshotStore MetricSnapshotStore final public class MetricSnapshotStore implements Runnable(Code) Ring buffer for performance metric samples. The data is stored in a set of parallel arrays one for each metric, one for the dates and one for unique sample ID. All the HasMetric sources are polled at regular intervals by a background thread. Constructor Summary public   MetricSnapshotStore(int capacity, int sampleIntervalMs)      Method Summary public  void addSource(HasMetrics source)      Add a new source of metrics. public  int getCapacity()      public  Metric[] getMetrics()      public  MetricSnapshotPacket getMostRecentSnapshot(int lastId)      Get the most recent performance metric snapshot. public  MetricSnapshotPacket getNewSnapshots(int id)      Get the samples added since the set of samples with unique ID of id. Returns null if none. public  int getSampleIntervalMs()      public  void run()      public  void setCapacity(int max)      Set the maximum number of samples to store in the buffer. public  void setSampleIntervalMs(int sampleIntervalMs)      public  void shutdown()      public  void start(String id)      Start our background snapshot thread if not already done. Constructor Detail MetricSnapshotStore public MetricSnapshotStore(int capacity, int sampleIntervalMs)(Code) Method Detail addSource public void addSource(HasMetrics source)(Code) Add a new source of metrics. getCapacity public int getCapacity()(Code) getMetrics public Metric[] getMetrics()(Code) getMostRecentSnapshot public MetricSnapshotPacket getMostRecentSnapshot(int lastId)(Code) Get the most recent performance metric snapshot. getNewSnapshots public MetricSnapshotPacket getNewSnapshots(int id)(Code) Get the samples added since the set of samples with unique ID of id. Returns null if none. Use an ID of 0 to get all samples. getSampleIntervalMs public int getSampleIntervalMs()(Code) run public void run()(Code) setCapacity public void setCapacity(int max)(Code) Set the maximum number of samples to store in the buffer. setSampleIntervalMs public void setSampleIntervalMs(int sampleIntervalMs)(Code) shutdown public void shutdown()(Code) start public void start(String id)(Code) Start our background snapshot thread if not already done. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)