1 files changed, 0 insertions, 94 deletions
diff --git a/bundles/org.eclipse.equinox.p2.ql/src/org/eclipse/equinox/internal/p2/ql/expression/Latest.java b/bundles/org.eclipse.equinox.p2.ql/src/org/eclipse/equinox/internal/p2/ql/expression/Latest.java
deleted file mode 100644
index b5c6c720e..000000000
--- a/bundles/org.eclipse.equinox.p2.ql/src/org/eclipse/equinox/internal/p2/ql/expression/Latest.java
+++ /dev/null
@@ -1,94 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2009 Cloudsmith Inc. 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:
- *     Cloudsmith Inc. - initial API and implementation
- *******************************************************************************/
-package org.eclipse.equinox.internal.p2.ql.expression;
-
-import java.util.*;
-import org.eclipse.equinox.internal.p2.metadata.expression.*;
-import org.eclipse.equinox.p2.metadata.IVersionedId;
-import org.eclipse.equinox.p2.metadata.expression.IEvaluationContext;
-
-/**
- * An expression that is especially targeted towards {@link IVersionedId} instances. It will
- * reject any objects that is not an <code>IVersionedId</code> and it will ensure that the
- * resulting iterator only iterates over the latest version of any found id.
- */
-final class Latest extends UnaryCollectionFilter {
-
-	Latest(Expression collection) {
-		super(collection);
-	}
-
-	public Iterator<?> evaluateAsIterator(IEvaluationContext context) {
-		HashMap<String, IVersionedId> greatestIUVersion;
-		if (operand instanceof Select) {
-			// Inline element evaluation here so that we don't build a map that is
-			// larger then it has to be
-			Select select = (Select) operand;
-			Iterator<?> iterator = select.operand.evaluateAsIterator(context);
-			if (!iterator.hasNext())
-				return Collections.EMPTY_SET.iterator();
-
-			greatestIUVersion = new HashMap<String, IVersionedId>();
-			LambdaExpression lambda = select.lambda;
-			context = lambda.prolog(context);
-			Variable variable = lambda.getItemVariable();
-			while (iterator.hasNext()) {
-				Object next = iterator.next();
-				if (!(next instanceof IVersionedId))
-					continue;
-
-				variable.setValue(context, next);
-				if (lambda.evaluate(context) != Boolean.TRUE)
-					continue;
-
-				IVersionedId versionedID = (IVersionedId) next;
-				String id = versionedID.getId();
-				IVersionedId prev = greatestIUVersion.put(id, versionedID);
-				if (prev == null)
-					continue;
-				if (prev.getVersion().compareTo(versionedID.getVersion()) > 0)
-					greatestIUVersion.put(id, prev);
-			}
-		} else {
-			Iterator<?> iterator = operand.evaluateAsIterator(context);
-			if (iterator == null)
-				return null;
-			if (!iterator.hasNext())
-				return Collections.EMPTY_SET.iterator();
-
-			greatestIUVersion = new HashMap<String, IVersionedId>();
-			while (iterator.hasNext()) {
-				Object next = iterator.next();
-				if (!(next instanceof IVersionedId))
-					continue;
-
-				IVersionedId versionedID = (IVersionedId) next;
-				String id = versionedID.getId();
-
-				IVersionedId prev = greatestIUVersion.put(id, versionedID);
-				if (prev == null)
-					continue;
-
-				if (prev.getVersion().compareTo(versionedID.getVersion()) > 0)
-					greatestIUVersion.put(id, prev);
-			}
-		}
-		return greatestIUVersion.values().iterator();
-	}
-
-	public int getExpressionType() {
-		return TYPE_LATEST;
-	}
-
-	public String getOperator() {
-		return KEYWORD_LATEST;
-	}
-}