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view graal/com.oracle.graal.graph/src/com/oracle/graal/graph/iterators/FilteredNodeIterable.java @ 7530:5e3d1a68664e
applied mx eclipseformat to all Java files
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 23 Jan 2013 16:34:57 +0100 |
parents | 9bee93f61522 |
children | 65efd2eeea1b |
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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 AbstractNodeIterable<T> { protected final NodeIterable<T> nodeIterable; protected NodePredicate predicate = NodePredicates.alwaysTrue(); protected 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 FilteredNodeIterable<T> nonNull() { this.predicate = this.predicate.and(NodePredicates.isNotNull()); return this; } @Override public DistinctFilteredNodeIterable<T> distinct() { DistinctFilteredNodeIterable<T> distinct = new DistinctFilteredNodeIterable<>(nodeIterable); distinct.predicate = predicate; distinct.until = until; return distinct; } @Override public Iterator<T> iterator() { return new PredicatedProxyNodeIterator<>(until, nodeIterable.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)); } }