/**
* Matches two ReplicaCatalogEntry objects. The primary key in this case is the pfn and all the
* attributes.
*
* @return true if the pfn and all the attributes match, false otherwise.
*/
public boolean equals(Object obj) {
// null check
if (obj == null) return false;
// see if type of objects match
if (!(obj instanceof ReplicaCatalogEntry)) return false;
ReplicaCatalogEntry rce = (ReplicaCatalogEntry) obj;
String pfn1 = this.m_pfn;
String pfn2 = rce.getPFN();
// rce with null pfns are assumed to match
boolean result =
(pfn1 == null && pfn2 == null
|| pfn1 != null
&& pfn2 != null
&& pfn1.equals(pfn2)
&& this.getAttributeCount() == rce.getAttributeCount());
if (result) {
String key;
Object val;
// do the matching on attributes now
for (Iterator it = rce.getAttributeIterator(); it.hasNext(); ) {
key = (String) it.next();
val = rce.getAttribute(key);
if (hasAttribute(key)) {
if (!(getAttribute(key).equals(val))) {
result = false;
break;
}
}
}
}
return result;
}
/**
* Merges the attribute maps in a controlled fashion. An entry is only merged with another entry,
* if the physical filenames match.
*
* @param rce is another replica catalog entry to merge with.
* @param overwrite resolves intersections. If true, uses rce's attribute to remain, if false, the
* original attribute remains.
* @return true if a merge was attempted, false if the PFNs did not match.
*/
public boolean merge(ReplicaCatalogEntry rce, boolean overwrite) {
String pfn1 = this.m_pfn;
String pfn2 = rce.getPFN();
boolean result =
(pfn1 == null && pfn2 == null || pfn1 != null && pfn2 != null && pfn1.equals(pfn2));
// only merge if PFN match
if (result) {
String key;
Object val;
for (Iterator i = rce.getAttributeIterator(); i.hasNext(); ) {
key = (String) i.next();
val = rce.getAttribute(key);
if (hasAttribute(key)) {
if (overwrite) setAttribute(key, val);
} else {
setAttribute(key, val);
}
}
}
return result;
}