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Diffstat (limited to 'bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/internal/provisional/p2/metadata/query/LatestIUVersionQuery.java')
-rw-r--r--bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/internal/provisional/p2/metadata/query/LatestIUVersionQuery.java51
1 files changed, 0 insertions, 51 deletions
diff --git a/bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/internal/provisional/p2/metadata/query/LatestIUVersionQuery.java b/bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/internal/provisional/p2/metadata/query/LatestIUVersionQuery.java
deleted file mode 100644
index 098642d64..000000000
--- a/bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/internal/provisional/p2/metadata/query/LatestIUVersionQuery.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*******************************************************************************
-* Copyright (c) 2009 EclipseSource and others. All rights reserved. This
-* program and the accompanying materials are made available under the terms of
-* the Eclipse Public License v1.0 which accompanies this distribution, and is
-* available at http://www.eclipse.org/legal/epl-v10.html
-*
-* Contributors:
-* EclipseSource - initial API and implementation
-******************************************************************************/
-package org.eclipse.equinox.internal.provisional.p2.metadata.query;
-
-import java.util.*;
-import org.eclipse.equinox.internal.provisional.p2.metadata.IInstallableUnit;
-
-/**
- * This query returns the latest version for each unique IU Id.
- * All other elements are discarded.
- */
-public class LatestIUVersionQuery extends ContextQuery {
-
- /**
- * Performs the LatestIUVersionQuery
- */
- public Collector perform(Iterator iterator, Collector result) {
- HashMap greatestIUVersion = new HashMap();
- while (iterator.hasNext()) {
- Object next = iterator.next();
-
- if (!(next instanceof IInstallableUnit))
- // Don't accept things if they are not IUs
- continue;
- IInstallableUnit iu = (IInstallableUnit) next;
- if (greatestIUVersion.containsKey(iu.getId())) {
- IInstallableUnit currentIU = (IInstallableUnit) greatestIUVersion.get(iu.getId());
- if (currentIU.getVersion().compareTo(iu.getVersion()) < 0)
- greatestIUVersion.put(iu.getId(), iu);
- } else
- greatestIUVersion.put(iu.getId(), iu);
- }
-
- Collection values = greatestIUVersion.values();
- Iterator valuesIterator = values.iterator();
- boolean continueGather = true;
-
- while (valuesIterator.hasNext() && continueGather) {
- IInstallableUnit nextIU = (IInstallableUnit) valuesIterator.next();
- continueGather = result.accept(nextIU);
- }
- return result;
- }
-}

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