[jboss-jira] [JBoss JIRA] (ELY-801) ModifiableSecurityRealm#getRealmIdentityIterator() is a bit wrong

[David Lloyd (JIRA)]

David Lloyd created ELY-801:
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             Summary: ModifiableSecurityRealm#getRealmIdentityIterator() is a bit wrong
                 Key: ELY-801
                 URL: https://issues.jboss.org/browse/ELY-801
             Project: WildFly Elytron
          Issue Type: Bug
          Components: API / SPI
            Reporter: David Lloyd
            Priority: Minor


After the fixes for iterator closing which pertain mainly to the file system realm, we have a new interface CloseableIterator which adds a close() method which throws IOException.  However this doesn't fit the general mold for identity handling, and only the FS realm would ever throw IOException (others would throw SQLException or NamingException for example).

Fix this in a couple ways:

# Drop CloseableIterator and replace it with a ModifiableRealmIdentityIterator which extends {{Iterator<ModifiableRealmIdentity>}} and {{AutoCloseable}}
# Override {{close()}} to throw {{RealmUnavailableException}}

Then make the associated changes to the realm(s).



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