/
InternalMonitor.java
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/
InternalMonitor.java
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/*
* Copyright (c) 2010-2017 Evolveum
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.evolveum.midpoint.schema.internals;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Supplier;
import com.evolveum.midpoint.prism.Objectable;
import com.evolveum.midpoint.prism.PrismObject;
import com.evolveum.midpoint.prism.util.PrismMonitor;
import com.evolveum.midpoint.util.DebugDumpable;
import com.evolveum.midpoint.util.DebugUtil;
import com.evolveum.midpoint.util.logging.Trace;
import com.evolveum.midpoint.util.logging.TraceManager;
import com.evolveum.midpoint.xml.ns._public.common.common_3.FocusType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.ObjectType;
/**
* Simple monitoring object. It records the count of expensive operations
* in the system. It is used in the tests to make sure such operations are not
* executed more frequently than expected. It may also have some run-time value.
*
* @author Radovan Semancik
*
*/
public class InternalMonitor implements PrismMonitor, DebugDumpable {
private static final Trace LOGGER = TraceManager.getTrace(InternalMonitor.class);
private static final String CLONE_START_TIMESTAMP_KEY = InternalMonitor.class.getName()+".cloneStartTimestamp";
private static Map<InternalCounters,Long> counterMap = new HashMap<>();
private static Map<InternalOperationClasses,Boolean> traceMap = new HashMap<>();
private static CachingStatistics resourceCacheStats = new CachingStatistics();
private static CachingStatistics connectorCacheStats = new CachingStatistics();
private static long prismObjectCloneDurationMillis = 0;
private static InternalInspector inspector;
public static long getCount(InternalCounters counter) {
Long count = counterMap.get(counter);
if (count == null) {
return 0;
}
return count;
}
public static void recordCount(InternalCounters counter) {
long count = recordCountInternal(counter);
InternalOperationClasses operationClass = counter.getOperationClass();
if (operationClass != null && isTrace(operationClass)) {
traceOperation(counter, operationClass, count);
}
}
private static synchronized long recordCountInternal(InternalCounters counter) {
Long count = counterMap.get(counter);
if (count == null) {
count = 0L;
}
count++;
counterMap.put(counter, count);
return count;
}
public static boolean isTrace(InternalOperationClasses operationClass) {
Boolean b = traceMap.get(operationClass);
if (b == null) {
return false;
} else {
return b;
}
}
private static boolean isTrace(InternalCounters counter) {
InternalOperationClasses operationClass = counter.getOperationClass();
if (operationClass == null) {
return false;
}
return isTrace(operationClass);
}
public static void setTrace(InternalOperationClasses operationClass, boolean val) {
traceMap.put(operationClass, val);
}
private static void traceOperation(InternalCounters counter, InternalOperationClasses operationClass, long count) {
traceOperation(counter.getKey() + "["+ operationClass.getKey() +"]", null, count, false);
}
private static void traceOperation(String opName, Supplier<String> paramsSupplier, long count, boolean traceAndDebug) {
LOGGER.info("MONITOR {} ({})", opName, count);
if (LOGGER.isDebugEnabled()) {
StackTraceElement[] fullStack = Thread.currentThread().getStackTrace();
String immediateClass = null;
String immediateMethod = null;
StringBuilder sb = new StringBuilder();
for (StackTraceElement stackElement: fullStack) {
if (stackElement.getClassName().equals(InternalMonitor.class.getName()) ||
stackElement.getClassName().equals(Thread.class.getName())) {
// skip our own calls
continue;
}
if (immediateClass == null) {
immediateClass = stackElement.getClassName();
immediateMethod = stackElement.getMethodName();
}
sb.append(stackElement.toString());
sb.append("\n");
}
String params = "";
if (paramsSupplier != null) {
params = paramsSupplier.get();
}
if (traceAndDebug) {
LOGGER.debug("MONITOR {}({}) ({}): {} {}", opName, params, count, immediateClass, immediateMethod);
}
LOGGER.trace("MONITOR {}({}) ({}):\n{}", opName, params, count, sb);
}
}
public static CachingStatistics getResourceCacheStats() {
return resourceCacheStats;
}
public static CachingStatistics getConnectorCacheStats() {
return connectorCacheStats;
}
public static void recordConnectorOperation(String name) {
long count = recordCountInternal(InternalCounters.CONNECTOR_OPERATION_COUNT);
if (isTrace(InternalCounters.CONNECTOR_OPERATION_COUNT)) {
traceOperation("connectorOperation", () -> name, count, true);
}
}
public static void recordConnectorModification(String name) {
long count = recordCountInternal(InternalCounters.CONNECTOR_MODIFICATION_COUNT);
if (isTrace(InternalCounters.CONNECTOR_MODIFICATION_COUNT)) {
traceOperation("connectorModification", () -> name, count, true);
}
}
public static <O extends ObjectType> void recordRepositoryRead(Class<O> type, String oid) {
long count = recordCountInternal(InternalCounters.REPOSITORY_READ_COUNT);
if (isTrace(InternalCounters.REPOSITORY_READ_COUNT)) {
traceOperation("repositoryRead", () -> type.getSimpleName() + ", " + oid , count, false);
}
if (inspector != null) {
inspector.inspectRepositoryRead(type, oid);
}
}
public synchronized <O extends Objectable> void recordPrismObjectCompareCount(PrismObject<O> thisObject, Object thatObject) {
recordCountInternal(InternalCounters.PRISM_OBJECT_COMPARE_COUNT);
}
public static long getPrismObjectCloneDurationMillis() {
return prismObjectCloneDurationMillis;
}
public static void setPrismObjectCloneDurationMillis(long prismObjectCloneDurationMillis) {
InternalMonitor.prismObjectCloneDurationMillis = prismObjectCloneDurationMillis;
}
@Override
public <O extends Objectable> void beforeObjectClone(PrismObject<O> orig) {
LOGGER.trace("MONITOR prism object clone start: {}", orig);
if (!orig.isImmutable()) {
orig.setUserData(CLONE_START_TIMESTAMP_KEY, System.currentTimeMillis());
}
}
@Override
public synchronized <O extends Objectable> void afterObjectClone(PrismObject<O> orig, PrismObject<O> clone) {
long count = recordCountInternal(InternalCounters.PRISM_OBJECT_CLONE_COUNT);
Object cloneStartObject = orig.getUserData(CLONE_START_TIMESTAMP_KEY);
if (cloneStartObject != null && cloneStartObject instanceof Long) {
long cloneDurationMillis = System.currentTimeMillis() - (Long)cloneStartObject;
prismObjectCloneDurationMillis += cloneDurationMillis;
LOGGER.debug("MONITOR prism object clone end: {} (duration {} ms)", orig, cloneDurationMillis);
} else {
LOGGER.debug("MONITOR prism object clone end: {}", orig);
}
if (isTrace(InternalCounters.PRISM_OBJECT_CLONE_COUNT)) {
traceOperation("prism object clone", null, count, false);
}
}
public static <F extends FocusType> void recordRoleEvaluation(F target, boolean fullEvaluation) {
long count = recordCountInternal(InternalCounters.ROLE_EVALUATION_COUNT);
if (isTrace(InternalCounters.ROLE_EVALUATION_COUNT)) {
traceOperation("roleEvaluation", () -> target.toString() , count, true);
}
if (inspector != null) {
inspector.inspectRoleEvaluation(target, fullEvaluation);
}
}
public static <F extends FocusType> void recordRoleEvaluationSkip(F target, boolean fullEvaluation) {
long count = recordCountInternal(InternalCounters.ROLE_EVALUATION_SKIP_COUNT);
if (isTrace(InternalCounters.ROLE_EVALUATION_SKIP_COUNT)) {
traceOperation("roleEvaluationSkip", () -> target.toString() , count, true);
}
}
public static InternalInspector getInspector() {
return inspector;
}
public static void setInspector(InternalInspector inspector) {
InternalMonitor.inspector = inspector;
}
public static void reset() {
LOGGER.info("MONITOR reset");
counterMap.clear();
traceMap.clear();
resourceCacheStats = new CachingStatistics();
connectorCacheStats = new CachingStatistics();
inspector = null;
}
@Override
public String debugDump(int indent) {
return debugDumpStatic(indent);
}
public static String debugDumpStatic(int indent) {
StringBuilder sb = DebugUtil.createTitleStringBuilder(InternalMonitor.class, indent);
sb.append("\n");
DebugUtil.debugDumpLabel(sb, "counters", indent + 1);
for (InternalCounters counter: InternalCounters.values()) {
sb.append("\n");
DebugUtil.debugDumpWithLabel(sb, counter.getLabel(), getCount(counter), indent + 2);
}
sb.append("\n");
DebugUtil.debugDumpLabel(sb, "traces", indent + 1);
for (InternalOperationClasses trace: InternalOperationClasses.values()) {
sb.append("\n");
DebugUtil.debugDumpWithLabel(sb, trace.getLabel(), isTrace(trace), indent + 2);
}
// TODO
return sb.toString();
}
}