1 /* 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package javafx.beans.value; 27 28 /** 29 * A common interface of all sub-interfaces of {@link ObservableValue} that wrap 30 * a number. 31 * 32 * @param T 33 * The type of the wrapped value (a {@code Number}). 34 * 35 * @see ObservableValue 36 * @see ObservableDoubleValue 37 * @see ObservableFloatValue 38 * @see ObservableIntegerValue 39 * @see ObservableLongValue 40 * 41 * 42 * @since JavaFX 2.0 43 */ 44 public interface ObservableNumberValue extends ObservableValue<Number> { 45 46 /** 47 * Returns the value of this {@code ObservableNumberValue} as an {@code int} 48 * . If the value is not an {@code int}, a standard cast is performed. 49 * 50 * @return The value of this {@code ObservableNumberValue} as an {@code int} 51 */ 52 int intValue(); 53 54 /** 55 * Returns the value of this {@code ObservableNumberValue} as a {@code long} 56 * . If the value is not a {@code long}, a standard cast is performed. 57 * 58 * @return The value of this {@code ObservableNumberValue} as a {@code long} 59 */ 60 long longValue(); 61 62 /** 63 * Returns the value of this {@code ObservableNumberValue} as a 64 * {@code float}. If the value is not a {@code float}, a standard cast is 65 * performed. 66 * 67 * @return The value of this {@code ObservableNumberValue} as a 68 * {@code float} 69 */ 70 float floatValue(); 71 72 /** 73 * Returns the value of this {@code ObservableNumberValue} as a 74 * {@code double}. If the value is not a {@code double}, a standard cast is 75 * performed. 76 * 77 * @return The value of this {@code ObservableNumberValue} as a 78 * {@code double} 79 */ 80 double doubleValue(); 81 82 }