Mercurial > hg > blitz_condensed
diff src/org/dancres/blitz/VisitorBaulkedPartyFactory.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 21 Mar 2009 11:00:06 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/org/dancres/blitz/VisitorBaulkedPartyFactory.java Sat Mar 21 11:00:06 2009 +0000 @@ -0,0 +1,49 @@ +package org.dancres.blitz; + +import org.dancres.blitz.txnlock.BaulkedParty; +import org.dancres.blitz.mangler.MangledEntry; +import org.dancres.blitz.oid.OID; + +/** + * <code>SearchVisitor</code>s must supply a conflict resolution implementation + * to <code>TxnLock</code>s however they have insufficient context to determine + * what that implementation is and we need the code using + * <code>SearchVisitor</code>s to be able to interact with the conflict + * resolution code. To handle both these issues, we have + * <code>SearchVisitor</code>s accept an instance of the below and use it + * to generate conflict handlers for the transaction code. + */ +public interface VisitorBaulkedPartyFactory { + public BaulkedParty newParty(SingleMatchTask aMatchTask); + public BaulkedParty newParty(BulkTakeVisitor aMatchTask); + public void enableResolutionSignal(); + + /** + * Common class to be used as handbacks for the instances of + * <code>BaulkedParty</code> returned by the underlying factory + * implementation. + */ + static class Handback { + private String theType; + private OID theOID; + private MangledEntry theEntry; + + Handback(String aType, OID anOID, MangledEntry anEntry) { + theType = aType; + theOID = anOID; + theEntry = anEntry; + } + + String getType() { + return theType; + } + + OID getOID() { + return theOID; + } + + MangledEntry getEntry() { + return theEntry; + } + } +}