/* * Copyright (c) 1995, 2016, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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 java.lang;
/** * The {@code Compiler} class is provided to support Java-to-native-code * compilers and related services. By design, the {@code Compiler} class does * nothing; it serves as a placeholder for a JIT compiler implementation. * If no compiler is available, these methods do nothing. * * @deprecated JIT compilers and their technologies vary too widely to * be controlled effectively by a standardized interface. As such, many * JIT compiler implementations ignore this interface, and are instead * controllable by implementation-specific mechanisms such as command-line * options. This class is subject to removal in a future version of Java SE. * * @author Frank Yellin * @since 1.0
*/
@Deprecated(since="9", forRemoval=true) publicfinalclass Compiler { private Compiler() {} // don't make instances
/** * Compiles the specified class. * * @param clazz * A class * * @return {@code true} if the compilation succeeded; {@code false} if the * compilation failed or no compiler is available * * @throws NullPointerException * If {@code clazz} is {@code null}
*/ publicstaticboolean compileClass(Class<?> clazz) { returnfalse;
}
/** * Compiles all classes whose name matches the specified string. * * @param string * The name of the classes to compile * * @return {@code true} if the compilation succeeded; {@code false} if the * compilation failed or no compiler is available * * @throws NullPointerException * If {@code string} is {@code null}
*/ publicstaticboolean compileClasses(String string) { returnfalse;
}
/** * Examines the argument type and its fields and perform some documented * operation. No specific operations are required. * * @param any * An argument * * @return A compiler-specific value, or {@code null} if no compiler is * available * * @throws NullPointerException * If {@code any} is {@code null}
*/ publicstatic Object command(Object any) { returnnull;
}
/** * Cause the Compiler to resume operation.
*/ publicstaticvoid enable() { }
/** * Cause the Compiler to cease operation.
*/ publicstaticvoid disable() { }
}
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