author | erikj |
Tue, 12 Sep 2017 19:03:39 +0200 | |
changeset 47216 | 71c04702a3d5 |
parent 34732 | nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/PropertyAccess.java@6605efbe8447 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010, 2013, 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. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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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 jdk.nashorn.internal.runtime; |
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/** |
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* Interface for getting and setting properties from script objects |
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* This can be a plugin point for e.g. tagged values or alternative |
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* array property getters. |
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* |
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* The interface is engineered with the combinatorially exhaustive |
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* combination of types by purpose, for speed, as currently HotSpot is not |
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* good enough at removing boxing. |
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*/ |
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public interface PropertyAccess { |
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/** |
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* Get the value for a given key and return it as an int |
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* @param key the key |
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* @param programPoint or INVALID_PROGRAM_POINT if pessimistic |
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* @return the value |
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*/ |
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public int getInt(Object key, int programPoint); |
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/** |
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* Get the value for a given key and return it as an int |
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* @param key the key |
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* @param programPoint or INVALID_PROGRAM_POINT if pessimistic |
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* @return the value |
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*/ |
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public int getInt(double key, int programPoint); |
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/** |
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* Get the value for a given key and return it as an int |
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* @param key the key |
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* @param programPoint or INVALID_PROGRAM_POINT if pessimistic |
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* @return the value |
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*/ |
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public int getInt(int key, int programPoint); |
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/** |
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* Get the value for a given key and return it as a double |
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* @param key the key |
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* @param programPoint or INVALID_PROGRAM_POINT if pessimistic |
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* @return the value |
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*/ |
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public double getDouble(Object key, int programPoint); |
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/** |
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* Get the value for a given key and return it as a double |
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* @param key the key |
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* @param programPoint or INVALID_PROGRAM_POINT if pessimistic |
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* @return the value |
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*/ |
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public double getDouble(double key, int programPoint); |
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/** |
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* Get the value for a given key and return it as a double |
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* @param key the key |
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* @param programPoint or INVALID_PROGRAM_POINT if pessimistic |
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* @return the value |
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*/ |
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public double getDouble(int key, int programPoint); |
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/** |
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* Get the value for a given key and return it as an Object |
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* @param key the key |
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* @return the value |
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*/ |
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public Object get(Object key); |
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/** |
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* Get the value for a given key and return it as an Object |
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* @param key the key |
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* @return the value |
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*/ |
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public Object get(double key); |
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/** |
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* Get the value for a given key and return it as an Object |
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* @param key the key |
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* @return the value |
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*/ |
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public Object get(int key); |
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/** |
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* Set the value of a given key |
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* @param key the key |
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* @param value the value |
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* @param flags call site flags |
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*/ |
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public void set(Object key, int value, int flags); |
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/** |
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* Set the value of a given key |
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* @param key the key |
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* @param value the value |
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* @param flags call site flags |
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*/ |
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public void set(Object key, double value, int flags); |
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/** |
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* Set the value of a given key |
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* @param key the key |
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* @param value the value |
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* @param flags call site flags |
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*/ |
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public void set(Object key, Object value, int flags); |
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/** |
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* Set the value of a given key |
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* @param key the key |
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* @param value the value |
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* @param flags call site flags |
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*/ |
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public void set(double key, int value, int flags); |
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/** |
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* Set the value of a given key |
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* @param key the key |
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* @param value the value |
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* @param flags call site flags |
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*/ |
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public void set(double key, double value, int flags); |
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/** |
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* Set the value of a given key |
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* @param key the key |
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* @param value the value |
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* @param flags call site flags |
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*/ |
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public void set(double key, Object value, int flags); |
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/** |
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* Set the value of a given key |
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* @param key the key |
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* @param value the value |
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* @param flags call site flags |
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*/ |
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public void set(int key, int value, int flags); |
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/** |
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* Set the value of a given key |
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* @param key the key |
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* @param value the value |
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* @param flags call site flags |
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*/ |
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public void set(int key, double value, int flags); |
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/** |
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* Set the value of a given key |
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* @param key the key |
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* @param value the value |
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* @param flags call site flags |
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*/ |
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public void set(int key, Object value, int flags); |
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/** |
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* Check if the given key exists anywhere in the proto chain |
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* @param key the key |
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* @return true if key exists |
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*/ |
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public boolean has(Object key); |
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/** |
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* Check if the given key exists anywhere in the proto chain |
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* @param key the key |
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* @return true if key exists |
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*/ |
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public boolean has(int key); |
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/** |
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* Check if the given key exists anywhere in the proto chain |
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* @param key the key |
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* @return true if key exists |
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*/ |
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public boolean has(double key); |
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/** |
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* Check if the given key exists directly in the implementor |
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* @param key the key |
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* @return true if key exists |
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*/ |
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public boolean hasOwnProperty(Object key); |
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/** |
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* Check if the given key exists directly in the implementor |
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* @param key the key |
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* @return true if key exists |
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*/ |
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public boolean hasOwnProperty(int key); |
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/** |
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* Check if the given key exists directly in the implementor |
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* @param key the key |
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* @return true if key exists |
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*/ |
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public boolean hasOwnProperty(double key); |
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/** |
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* Delete a property with the given key from the implementor |
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* @param key the key |
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* @param strict are we in strict mode |
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* @return true if deletion succeeded, false otherwise |
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*/ |
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public boolean delete(int key, boolean strict); |
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/** |
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* Delete a property with the given key from the implementor |
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* @param key the key |
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* @param strict are we in strict mode |
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* @return true if deletion succeeded, false otherwise |
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*/ |
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public boolean delete(double key, boolean strict); |
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/** |
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* Delete a property with the given key from the implementor |
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* @param key the key |
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* @param strict are we in strict mode |
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* @return true if deletion succeeded, false otherwise |
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*/ |
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public boolean delete(Object key, boolean strict); |
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} |