public boolean check(AssociationDescriptor descriptor, ServiceElement element) {
return (ServiceElementUtil.matchesServiceElement(
element,
descriptor.getName(),
descriptor.getInterfaceNames(),
descriptor.getOperationalStringName()));
}
/**
* An AssociationDescriptor is equal to another AssociationDescriptor if their name, opStringName
* and {@link AssociationType} attributes are equal
*/
public boolean equals(final Object obj) {
if (this == obj) return true;
if (!(obj instanceof AssociationDescriptor)) return false;
AssociationDescriptor that = (AssociationDescriptor) obj;
if (this.type.equals(that.type) && this.getName().equals(that.getName())) {
boolean matched = false;
/* Check propertyName attributes */
if (this.opStringName != null
&& that.opStringName != null
&& this.opStringName.equals(that.opStringName)) {
matched = true;
}
if (this.opStringName == null && that.opStringName == null) matched = true;
if (!matched) return matched;
if (!Arrays.equals(this.interfaceNames, that.interfaceNames)) return false;
/* Check propertyName attributes */
if (this.propertyName != null
&& that.propertyName != null
&& this.propertyName.equals(that.propertyName)) {
return true;
}
if (this.propertyName == null && that.propertyName == null) return true;
}
return (false);
}
/**
* Creates an AssociationDescriptor for a service, matching on the service name
*
* @param name The service name
* @param setter The setter property to use when injecting
* @param serviceClass The service's exported proxy class
* @param type The type of Association to create
* @param groups Discovery groups to use
* @return An AssociationDescriptor
*/
public static AssociationDescriptor create(
final String name,
final String setter,
final Class serviceClass,
final AssociationType type,
final String... groups) {
AssociationDescriptor ad = new AssociationDescriptor(type, name);
ad.setInterfaceNames(serviceClass.getName());
if (setter != null) ad.setPropertyName(setter);
ad.setGroups(groups);
ad.setMatchOnName(true);
return ad;
}
/**
* This method verifies whether the InstantiatorResource can support any declared service
* colocation requirements
*
* @param sElem The ServiceElement
* @param ir The InstantiatorResource
* @return Return true if the provided InstantiatorResource meets service colocation requirements
*/
static boolean meetsColocationRequirements(ServiceElement sElem, InstantiatorResource ir) {
boolean provisionable = true;
AssociationDescriptor[] aDescs = sElem.getAssociationDescriptors();
for (AssociationDescriptor aDesc : aDescs) {
boolean ok = false;
if (aDesc.getAssociationType() == AssociationType.COLOCATED) {
if (matches(aDesc, ir.getServiceElements())) {
break;
}
} else {
ok = true;
}
if (!ok) {
provisionable = false;
break;
}
}
return (provisionable);
}
public boolean check(AssociationDescriptor descriptor, ServiceItem serviceItem) {
if (descriptor.getVersion() == null) return true;
boolean matches = false;
String configuredVersion = descriptor.getVersion();
for (Entry entry : serviceItem.attributeSets) {
if (entry instanceof VersionEntry) {
matches =
versionMatcher.versionSupported(configuredVersion, ((VersionEntry) entry).version);
if (logger.isDebugEnabled()) {
logger.debug(
"requiredVersion: {}, publishedVersion: {}, matched? {}",
configuredVersion,
entry,
matches);
}
if (matches) break;
}
}
return matches;
}
/*
* Get the AssociationMatchFilter for an AssociationDescriptor
*/
private static AssociationMatchFilter getAssociationMatchFilter(
AssociationDescriptor descriptor) {
AssociationMatchFilter defaultFilter = new DefaultAssociationMatchFilter();
AssociationMatchFilter filter;
try {
String matchFilter = descriptor.getAssociationMatchFilter();
if (matchFilter != null) {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
filter = (AssociationMatchFilter) cl.loadClass(matchFilter).newInstance();
} else {
filter = defaultFilter;
}
} catch (Exception e) {
filter = defaultFilter;
logger.log(
Level.WARNING,
"Getting AssociationMatchFilter for association " + "[" + descriptor.toString() + "]",
e);
}
return (filter);
}
