[hibernate-commits] Hibernate SVN: r11376 - trunk/HibernateExt/shards/src/java/org/hibernate/shards/query.

Author: maulik Date: 2007-03-29 18:10:03 -0400 (Thu, 29 Mar 2007) New Revision: 11376 Modified: trunk/HibernateExt/shards/src/java/org/hibernate/shards/query/ExitOperationsQueryCollector.java trunk/HibernateExt/shards/src/java/org/hibernate/shards/query/ShardedQueryImpl.java Log: fixes bugs regard setMaxResults and setFirstResult on ShardedQueryImpl Modified: trunk/HibernateExt/shards/src/java/org/hibernate/shards/query/ExitOperationsQueryCollector.java =================================================================== --- trunk/HibernateExt/shards/src/java/org/hibernate/shards/query/ExitOperationsQueryCollector.java 2007-03-29 19:36:33 UTC (rev 11375) +++ trunk/HibernateExt/shards/src/java/org/hibernate/shards/query/ExitOperationsQueryCollector.java 2007-03-29 22:10:03 UTC (rev 11376) @@ -1,5 +1,5 @@ /** - * Copyright (C) 2007 Google Inc. + * Copyright (C) 2006 Google Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -19,6 +19,8 @@ package org.hibernate.shards.query; import org.hibernate.shards.strategy.exit.ExitOperationsCollector; +import org.hibernate.shards.strategy.exit.FirstResultExitOperation; +import org.hibernate.shards.strategy.exit.MaxResultsExitOperation; import org.hibernate.engine.SessionFactoryImplementor; @@ -29,15 +31,44 @@ * is to record a set of aggregation type operations to be executed on the * combined results for a query executed on each shard. * + * We do implement setMaxResults and setFirstResult as these operations do not + * require parsing the query string. + * + * {@inheritDoc} + * * @author maulik(a)google.com (Maulik Shah) */ public class ExitOperationsQueryCollector implements ExitOperationsCollector { + // maximum number of results requested by the client + private Integer maxResults = null; + + // index of the first result requested by the client + private Integer firstResult = null; + public List<Object> apply(List<Object> result) { + if (firstResult != null) { + result = new FirstResultExitOperation(firstResult).apply(result); + } + if (maxResults != null) { + result = new MaxResultsExitOperation(maxResults).apply(result); + } + return result; } public void setSessionFactory(SessionFactoryImplementor sessionFactoryImplementor) { throw new UnsupportedOperationException(); } + + public ExitOperationsCollector setMaxResults(int maxResults) { + this.maxResults = maxResults; + return this; + } + + public ExitOperationsCollector setFirstResult(int firstResult) { + this.firstResult = firstResult; + return this; + } + } Modified: trunk/HibernateExt/shards/src/java/org/hibernate/shards/query/ShardedQueryImpl.java =================================================================== --- trunk/HibernateExt/shards/src/java/org/hibernate/shards/query/ShardedQueryImpl.java 2007-03-29 19:36:33 UTC (rev 11375) +++ trunk/HibernateExt/shards/src/java/org/hibernate/shards/query/ShardedQueryImpl.java 2007-03-29 22:10:03 UTC (rev 11376) @@ -261,27 +261,12 @@ } public Query setMaxResults(int maxResults) { - SetMaxResultsEvent event = new SetMaxResultsEvent(maxResults); - for (Shard shard : shards) { - if (shard.getQueryById(queryId) != null) { - shard.getQueryById(queryId).setMaxResults(maxResults); - } else { - shard.addQueryEvent(queryId, event); - } - } - + queryCollector.setMaxResults(maxResults); return this; } public Query setFirstResult(int firstResult) { - QueryEvent event = new SetFirstResultEvent(firstResult); - for (Shard shard : shards) { - if (shard.getQueryById(queryId) != null) { - shard.getQueryById(queryId).setFirstResult(firstResult); - } else { - shard.addQueryEvent(queryId, event); - } - } + queryCollector.setFirstResult(firstResult); return this; }