/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.engine.management;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.threeten.bp.Duration;
import org.threeten.bp.Instant;
import org.threeten.bp.ZoneOffset;
import org.threeten.bp.ZonedDateTime;
import org.threeten.bp.temporal.ChronoUnit;
import com.opengamma.core.config.impl.ConfigItem;
import com.opengamma.engine.view.ViewComputationResultModel;
import com.opengamma.engine.view.ViewDefinition;
import com.opengamma.engine.view.ViewDeltaResultModel;
import com.opengamma.engine.view.ViewProcessor;
import com.opengamma.engine.view.client.ViewResultMode;
import com.opengamma.engine.view.compilation.CompiledViewDefinition;
import com.opengamma.engine.view.cycle.ViewCycleMetadata;
import com.opengamma.engine.view.execution.ViewCycleExecutionOptions;
import com.opengamma.engine.view.impl.ViewProcessImpl;
import com.opengamma.engine.view.impl.ViewProcessInternal;
import com.opengamma.id.UniqueId;
import com.opengamma.livedata.UserPrincipal;
import com.opengamma.util.ArgumentChecker;
import net.sf.ehcache.CacheException;
/**
* An MBean implementation for attributes and operations on a view process.
*
*/
public class ViewProcessMXBeanImpl implements ViewProcessMXBean {
private static final Logger s_logger = LoggerFactory.getLogger(ViewProcessMXBeanImpl.class);
/**
* The backing view process instance
*/
private final ViewProcessInternal _viewProcess;
private final ObjectName _objectName;
private ViewProcessor _viewProcessor;
private enum PhaseState {
PENDING, SUCCESSFUL, FAILED
}
private enum Outcome {
PENDING, YES, NO
}
private enum CycleState {
PENDING, STARTED, COMPLETED, FAILED
}
private volatile PhaseState _compiled = PhaseState.PENDING;
private volatile Outcome _hasMarketDataPermissions = Outcome.PENDING;
private volatile Instant _compilationFailedValuationTime;
private volatile Exception _compilationFailedException;
private volatile CycleState _lastCycle = CycleState.PENDING;
private volatile CompiledViewDefinition _lastCompiledViewDefinition;
private volatile ViewComputationResultModel _lastViewComputationResultModel;
private volatile Duration _lastSuccessfulCycleDuration;
private volatile Instant _lastSuccessfulCycleTimeStamp;
/**
* Create a management View
*
* @param viewProcess the underlying view process
* @param viewProcessor the view processor responsible for the view process
* @param splitByViewProcessor
*/
public ViewProcessMXBeanImpl(ViewProcessInternal viewProcess,
ViewProcessor viewProcessor,
boolean splitByViewProcessor) {
ArgumentChecker.notNull(viewProcess, "viewProcess");
ArgumentChecker.notNull(viewProcessor, "ViewProcessor");
_viewProcess = viewProcess;
_viewProcessor = viewProcessor;
_objectName = createObjectName(viewProcessor.getName(), viewProcess.getUniqueId(), splitByViewProcessor);
if (_viewProcess instanceof ViewProcessImpl) {
ViewProcessImpl viewProcessImpl = (ViewProcessImpl) viewProcess;
viewProcessImpl.attachListener(new InternalViewResultListener() {
@Override
public UserPrincipal getUser() {
return null;
}
@Override
public void viewDefinitionCompiled(CompiledViewDefinition compiledViewDefinition, boolean hasMarketDataPermissions) {
_compiled = PhaseState.SUCCESSFUL;
synchronized (ViewProcessMXBeanImpl.this) {
_lastCompiledViewDefinition = compiledViewDefinition;
_lastViewComputationResultModel = null;
}
_hasMarketDataPermissions = hasMarketDataPermissions ? Outcome.YES : Outcome.NO;
}
@Override
public void viewDefinitionCompilationFailed(Instant valuationTime, Exception exception) {
_compiled = PhaseState.FAILED;
_compilationFailedException = exception;
_compilationFailedValuationTime = valuationTime;
}
@Override
public void cycleStarted(ViewCycleMetadata cycleMetadata) {
_lastCycle = CycleState.STARTED;
}
@Override
public void cycleFragmentCompleted(ViewComputationResultModel fullFragment, ViewDeltaResultModel deltaFragment) {
}
@Override
public void cycleCompleted(ViewComputationResultModel fullResult, ViewDeltaResultModel deltaResult) {
synchronized (ViewProcessMXBeanImpl.this) {
_lastViewComputationResultModel = fullResult;
}
_lastCycle = CycleState.COMPLETED;
_lastSuccessfulCycleDuration = fullResult.getCalculationDuration();
_lastSuccessfulCycleTimeStamp = fullResult.getCalculationTime();
}
@Override
public void cycleExecutionFailed(ViewCycleExecutionOptions executionOptions, Exception exception) {
_lastCycle = CycleState.FAILED;
}
@Override
public void processCompleted() {
}
@Override
public void processTerminated(boolean executionInterrupted) {
}
@Override
public void clientShutdown(Exception e) {
}
}, ViewResultMode.FULL_ONLY, ViewResultMode.NONE);
}
}
/**
* Creates an object name using the scheme "com.opengamma:type=View,ViewProcessor=<viewProcessorName>,name=<viewProcessId>"
*/
static ObjectName createObjectName(String viewProcessorName, UniqueId viewProcessId, boolean splitByViewProcessor) {
try {
String beanNamePrefix = splitByViewProcessor ?
"com.opengamma:type=ViewProcessors,ViewProcessor=ViewProcessor " + viewProcessorName :
"com.opengamma:type=ViewProcessor";
return new ObjectName(beanNamePrefix + ",ViewProcesses=ViewProcesses,name=ViewProcess " + viewProcessId.getValue());
} catch (MalformedObjectNameException e) {
throw new CacheException(e);
}
}
@Override
public String getUniqueId() {
return _viewProcess.getUniqueId().toString();
}
@Override
public String getPortfolioId() {
return _viewProcess.getLatestViewDefinition().getPortfolioId().toString();
}
@Override
public String getViewName() {
@SuppressWarnings("unchecked")
ConfigItem<ViewDefinition> configItem = (ConfigItem<ViewDefinition>) _viewProcessor.getConfigSource().get(_viewProcess.getDefinitionId());
return configItem.getName();
}
@Override
public String getDefinitionId() {
return _viewProcess.getDefinitionId().toString();
}
@Override
public boolean isPersistent() {
return _viewProcess.getLatestViewDefinition().isPersistent();
}
@Override
public String getState() {
return _viewProcess.getState().name();
}
@Override
public String getCompilationState() {
return _compiled.name();
}
@Override
public String getMarketDataPermissionsState() {
return _hasMarketDataPermissions.name();
}
@Override
public String getCompilationFailedValuationTime() {
return convertInstant(_compilationFailedValuationTime);
}
private String convertInstant(Instant instant) {
return instant != null ? ZonedDateTime.ofInstant(instant, ZoneOffset.UTC).toString() : null;
}
@Override
public String getCompilationFailedException() {
return _compilationFailedException != null ? _compilationFailedException.getMessage() : null;
}
@Override
public String getLastComputeCycleState() {
return _lastCycle.name();
}
@Override
public String getLastSuccessfulCycleTimeStamp() {
return convertInstant(_lastSuccessfulCycleTimeStamp);
}
@Override
public Long getTimeSinceLastSuccessfulCycle() {
return _lastSuccessfulCycleTimeStamp != null ?
_lastSuccessfulCycleTimeStamp.periodUntil(Instant.now(), ChronoUnit.MILLIS) :
null;
}
@Override
public Long getLastSuccessfulCycleDuration() {
return _lastSuccessfulCycleDuration != null ? _lastSuccessfulCycleDuration.toMillis() : null;
}
@Override
public void shutdown() {
_viewProcess.shutdown();
}
@Override
public void suspend() {
_viewProcess.suspend();
}
@Override
public void resume() {
_viewProcess.resume();
}
/**
* Gets the objectName field.
*
* @return the object name for this MBean
*/
public ObjectName getObjectName() {
return _objectName;
}
@Override
public ViewProcessStatsProcessor generateResultsModelStatistics() {
CompiledViewDefinition compiledViewDef;
ViewComputationResultModel viewComputationResultModel;
synchronized (this) {
compiledViewDef = _lastCompiledViewDefinition;
viewComputationResultModel = _lastViewComputationResultModel;
}
if (compiledViewDef == null || viewComputationResultModel == null) {
return null;
}
ViewProcessStatsProcessor statsProcessor = new ViewProcessStatsProcessor(compiledViewDef, viewComputationResultModel);
statsProcessor.processResult();
return statsProcessor;
}
}