diff options
Diffstat (limited to 'subprojects/viatra-runtime-base/src/main/java/tools/refinery/viatra/runtime/base/api/profiler/BaseIndexProfiler.java')
-rw-r--r-- | subprojects/viatra-runtime-base/src/main/java/tools/refinery/viatra/runtime/base/api/profiler/BaseIndexProfiler.java | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/subprojects/viatra-runtime-base/src/main/java/tools/refinery/viatra/runtime/base/api/profiler/BaseIndexProfiler.java b/subprojects/viatra-runtime-base/src/main/java/tools/refinery/viatra/runtime/base/api/profiler/BaseIndexProfiler.java new file mode 100644 index 00000000..d3cc152e --- /dev/null +++ b/subprojects/viatra-runtime-base/src/main/java/tools/refinery/viatra/runtime/base/api/profiler/BaseIndexProfiler.java | |||
@@ -0,0 +1,79 @@ | |||
1 | /******************************************************************************* | ||
2 | * Copyright (c) 2010-2019, Zoltan Ujhelyi, IncQuery Labs Ltd. | ||
3 | * This program and the accompanying materials are made available under the | ||
4 | * terms of the Eclipse Public License v. 2.0 which is available at | ||
5 | * http://www.eclipse.org/legal/epl-v20.html. | ||
6 | * | ||
7 | * SPDX-License-Identifier: EPL-2.0 | ||
8 | *******************************************************************************/ | ||
9 | package tools.refinery.viatra.runtime.base.api.profiler; | ||
10 | |||
11 | import tools.refinery.viatra.runtime.base.api.NavigationHelper; | ||
12 | import tools.refinery.viatra.runtime.base.core.NavigationHelperContentAdapter; | ||
13 | import tools.refinery.viatra.runtime.base.core.NavigationHelperImpl; | ||
14 | import tools.refinery.viatra.runtime.base.core.profiler.ProfilingNavigationHelperContentAdapter; | ||
15 | import tools.refinery.viatra.runtime.matchers.util.Preconditions; | ||
16 | |||
17 | /** | ||
18 | * An index profiler can be attached to an existing navigation helper instance to access the profiling data and control | ||
19 | * the profiler itself. If the NavigationHelper was not started in profiling mode, the profiler cannot be initialized. | ||
20 | * | ||
21 | * @since 2.3 | ||
22 | */ | ||
23 | public class BaseIndexProfiler { | ||
24 | |||
25 | ProfilingNavigationHelperContentAdapter adapter; | ||
26 | |||
27 | /** | ||
28 | * | ||
29 | * @throws IllegalArgumentException if the profiler cannot be attached to the base index instance | ||
30 | */ | ||
31 | public BaseIndexProfiler(NavigationHelper navigationHelper) { | ||
32 | if (navigationHelper instanceof NavigationHelperImpl) { | ||
33 | final NavigationHelperContentAdapter contentAdapter = ((NavigationHelperImpl) navigationHelper).getContentAdapter(); | ||
34 | if (contentAdapter instanceof ProfilingNavigationHelperContentAdapter) { | ||
35 | adapter = (ProfilingNavigationHelperContentAdapter)contentAdapter; | ||
36 | } | ||
37 | } | ||
38 | Preconditions.checkArgument(adapter != null, "Cannot attach profiler to Base Index"); | ||
39 | } | ||
40 | |||
41 | /** | ||
42 | * Returns the number of external request (e.g. model changes) the profiler recorded. | ||
43 | */ | ||
44 | public long getNotificationCount() { | ||
45 | return adapter.getNotificationCount(); | ||
46 | } | ||
47 | |||
48 | /** | ||
49 | * Return the total time base index profiler recorded for reacting to model operations. | ||
50 | */ | ||
51 | public long getTotalMeasuredTimeInMS() { | ||
52 | return adapter.getTotalMeasuredTimeInMS(); | ||
53 | } | ||
54 | |||
55 | /** | ||
56 | * Returns whether the profiler is turned on (e.g. measured values are increased). | ||
57 | */ | ||
58 | public boolean isEnabled() { | ||
59 | return adapter.isEnabled(); | ||
60 | } | ||
61 | |||
62 | /** | ||
63 | * Enables the base index profiling (e.g. measured values are increased) | ||
64 | */ | ||
65 | public void setEnabled(boolean isEnabled) { | ||
66 | adapter.setEnabled(isEnabled); | ||
67 | } | ||
68 | |||
69 | /** | ||
70 | * Resets all measurements to 0, regardless whether the profiler is enabled or not. | ||
71 | * </p> | ||
72 | * | ||
73 | * <strong>Note</strong>: The behavior of the profiler is undefined when the measurements are reset while an EMF | ||
74 | * notification is being processed and the profiler is enabled. | ||
75 | */ | ||
76 | public void resetMeasurement() { | ||
77 | adapter.resetMeasurement(); | ||
78 | } | ||
79 | } | ||