Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.graph/src/com/oracle/graal/graph/iterators/FilteredNodeIterable.java @ 5060:4ed4295ce15f
Update import statements.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 08 Mar 2012 19:11:12 +0100 |
parents | ed559a528128 |
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/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.graph.iterators; import java.util.*; import com.oracle.graal.graph.*; public class FilteredNodeIterable<T extends Node> extends NodeIterable<T> { private final NodeIterable<T> nodeIterable; private NodePredicate predicate = NodePredicates.alwaysTrue(); private NodePredicate until = NodePredicates.isNull(); public FilteredNodeIterable(NodeIterable<T> nodeIterable) { this.nodeIterable = nodeIterable; } public FilteredNodeIterable<T> and(NodePredicate nodePredicate) { this.predicate = this.predicate.and(nodePredicate); return this; } public FilteredNodeIterable<T> or(NodePredicate nodePredicate) { this.predicate = this.predicate.or(nodePredicate); return this; } @Override public NodeIterable<T> until(final T u) { until = until.or(NodePredicates.equals(u)); return this; } @Override public NodeIterable<T> until(final Class<? extends T> clazz) { until = until.or(NodePredicates.isA(clazz)); return this; } @Override public Iterator<T> iterator() { final Iterator<T> iterator = nodeIterable.iterator(); return new PredicatedProxyNodeIterator<>(until, iterator, predicate); } @SuppressWarnings("unchecked") @Override public <F extends T> FilteredNodeIterable<F> filter(Class<F> clazz) { return (FilteredNodeIterable<F>) this.and(NodePredicates.isA(clazz)); } @Override public FilteredNodeIterable<T> filter(NodePredicate p) { return this.and(p); } @Override public FilteredNodeIterable<T> filterInterface(Class< ? > iface) { return this.and(NodePredicates.isAInterface(iface)); } }