Package fish.payara.nucleus.requesttracing.store.strategy

Class LongestTraceStorageStrategy

java.lang.Object

fish.payara.nucleus.requesttracing.store.strategy.LongestTraceStorageStrategy

All Implemented Interfaces:

TraceStorageStrategy

public class LongestTraceStorageStrategy
extends Object
implements TraceStorageStrategy

Strategy for finding traces that need removing from a list. Will remove the trace at the shortest traces in the given set of traces. If multiple traces are equally short the oldest is removed first.

Constructor Summary

Constructors

Constructor	Description
LongestTraceStorageStrategy()

Method Summary

Modifier and Type	Method	Description
RequestTrace	getTraceForRemoval(Collection<RequestTrace> traces, int maxSize, RequestTrace traceToRemove)	Gets the trace that needs removing.

Methods inherited from class java.lang.Object

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

Constructor Detail

LongestTraceStorageStrategy

public LongestTraceStorageStrategy()

Method Detail

getTraceForRemoval

public RequestTrace getTraceForRemoval(Collection<RequestTrace> traces,
                                       int maxSize,
                                       RequestTrace traceToRemove)

Gets the trace that needs removing. Removes the provided trace if present, or selects the shortest of the given traces should their number be larger then maxSize.

Specified by:

getTraceForRemoval in interface TraceStorageStrategy

Parameters:

traces - the list of traces to test.

maxSize - the maximum size of the list.

traceToRemove - the trace to remove if present or null if no particular candidate if favoured

Returns:

the trace that needs removing, or null if no traces need removing.

See Also:

TraceStorageStrategy.getTraceForRemoval(Collection, int, RequestTrace)