List of usage examples for java.util IdentityHashMap put
public V put(K key, V value)
From source file:org.rhq.core.pc.inventory.InventoryManager.java
@NotNull
Set<Resource> executeComponentDiscovery(ResourceType resourceType,
ResourceDiscoveryComponent discoveryComponent, ResourceContainer parentContainer,
List<ProcessScanResult> processScanResults) {
ResourceContext parentResourceContext = parentContainer.getResourceContext();
ResourceComponent parentComponent = parentContainer.getResourceComponent();
Resource parentResource = parentContainer.getResource();
long startTime = System.currentTimeMillis();
log.debug("Executing discovery for [" + resourceType.getName() + "] Resources...");
Set<Resource> newResources;
try {//from w w w . ja v a 2 s . c o m
ResourceDiscoveryContext context = new ResourceDiscoveryContext(resourceType, parentComponent,
parentResourceContext, SystemInfoFactory.createSystemInfo(), processScanResults,
Collections.EMPTY_LIST, this.configuration.getContainerName(),
this.configuration.getPluginContainerDeployment());
newResources = new HashSet<Resource>();
try {
Set<DiscoveredResourceDetails> discoveredResources = invokeDiscoveryComponent(parentContainer,
discoveryComponent, context);
if ((discoveredResources != null) && (!discoveredResources.isEmpty())) {
IdentityHashMap<Configuration, DiscoveredResourceDetails> pluginConfigObjects = new IdentityHashMap<Configuration, DiscoveredResourceDetails>();
for (DiscoveredResourceDetails discoveredResource : discoveredResources) {
if (discoveredResource == null) {
throw new IllegalStateException(
"Plugin error: Discovery class " + discoveryComponent.getClass().getName()
+ " returned a Set containing one or more null items.");
}
if (!discoveredResource.getResourceType().equals(resourceType)) {
throw new IllegalStateException("Plugin error: Discovery class "
+ discoveryComponent.getClass().getName()
+ " returned a DiscoveredResourceDetails with an incorrect ResourceType (was "
+ discoveredResource.getResourceType().getName() + " but should have been "
+ resourceType.getName());
}
if (null != pluginConfigObjects.put(discoveredResource.getPluginConfiguration(),
discoveredResource)) {
throw new IllegalStateException("The plugin component "
+ discoveryComponent.getClass().getName()
+ " returned multiple resources that point to the same plugin configuration object on the "
+ "resource type [" + resourceType + "]. This is not allowed, please use "
+ "ResourceDiscoveryContext.getDefaultPluginConfiguration() "
+ "for each discovered resource.");
}
Resource newResource = InventoryManager.createNewResource(discoveredResource);
newResources.add(newResource);
}
}
} catch (DiscoverySuspendedException e) {
//ok, the discovery is suspended for this resource type under this parent.
//but we can continue the discovery in the child resource types of the existing resources.
//we can therefore pretend that the discovery returned the existing resources so that
//we can recurse into their children up in the call-chain.
for (Resource existingResource : parentResource.getChildResources()) {
if (resourceType.equals(existingResource.getResourceType())) {
newResources.add(existingResource);
}
}
}
} catch (Throwable e) {
// TODO GH: Add server/parent - up/down semantics so this won't happen just because a server is not up
long elapsedTime = System.currentTimeMillis() - startTime;
log.warn("Failure during discovery for [" + resourceType.getName() + "] Resources - failed after "
+ elapsedTime + " ms.", e);
return Collections.EMPTY_SET;
}
long elapsedTime = System.currentTimeMillis() - startTime;
if (elapsedTime > 20000)
log.info("Discovery for [" + resourceType.getName() + "] resources took [" + elapsedTime + "] ms");
else
log.debug("Discovery for [" + resourceType.getName() + "] resources completed in [" + elapsedTime
+ "] ms");
return newResources;
}