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39 lines
1.8 KiB
Java
39 lines
1.8 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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/**
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* A restrictable generator allows the creation of a new generator by restricting the range of its output values.
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* The exact semantics of this restriction depend on the concrete implementation, but it usually means taking the
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* intersection of the old range and the newly requested range of values.
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*/
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public interface RestrictableGenerator<T> extends Generator<T> {
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/**
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* Returns a new generator where the range of this generator has been restricted to the range of newLo and newHi.
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* Whether newHi is inclusive or exclusive depends on the concrete implementation.
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* @throws EmptyGeneratorException if this restriction would result in an empty generator.
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*/
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RestrictableGenerator<T> restricted(T newLo, T newHi);
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}
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