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46 lines
1.6 KiB
Java
46 lines
1.6 KiB
Java
/*
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* Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package compiler.lib.generators;
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class RestrictableSingleValueGenerator<T extends Comparable<T>> implements RestrictableGenerator<T> {
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private final T value;
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RestrictableSingleValueGenerator(T value) {
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this.value = value;
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}
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@Override
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public RestrictableGenerator<T> restricted(T newLo, T newHi) {
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if (newLo.compareTo(value) <= 0 && value.compareTo(newHi) <= 0) {
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return this;
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}
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throw new EmptyGeneratorException();
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}
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@Override
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public T next() {
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return value;
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}
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}
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