Spec-Zone .ru
спецификации, руководства, описания, API
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001/* 002 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. 003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 004 * 005 * This code is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU General Public License version 2 only, as 007 * published by the Free Software Foundation. Oracle designates this 008 * particular file as subject to the "Classpath" exception as provided 009 * by Oracle in the LICENSE file that accompanied this code. 010 * 011 * This code is distributed in the hope that it will be useful, but WITHOUT 012 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 013 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 014 * version 2 for more details (a copy is included in the LICENSE file that 015 * accompanied this code). 016 * 017 * You should have received a copy of the GNU General Public License version 018 * 2 along with this work; if not, write to the Free Software Foundation, 019 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 020 * 021 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 022 * or visit www.oracle.com if you need additional information or have any 023 * questions. 024 */ 025 026package javafx.beans.property; 027 028import javafx.beans.binding.ObjectExpression; 029import javafx.collections.ObservableList; 030import javafx.collections.ObservableMap; 031import javafx.collections.ObservableSet; 032 033/** 034 * Super class for all readonly properties wrapping an arbitrary {@code Object}. 035 * 036 * For specialized implementations for {@link ObservableList}, {@link ObservableSet} and 037 * {@link ObservableMap} that also report changes inside the collections, see 038 * {@link ReadOnlyListProperty}, {@link ReadOnlySetProperty} and {@link ReadOnlyMapProperty}, respectively. 039 * 040 * @see javafx.beans.value.ObservableObjectValue 041 * @see javafx.beans.binding.ObjectExpression 042 * @see ReadOnlyProperty 043 * 044 * 045 * @param <T> 046 * the type of the wrapped {@code Object} 047 */ 048public abstract class ReadOnlyObjectProperty<T> extends ObjectExpression<T> 049 implements ReadOnlyProperty<T> { 050 051 /** 052 * The constructor of {@code ReadOnlyObjectProperty}. 053 */ 054 public ReadOnlyObjectProperty() { 055 } 056 057 /** 058 * Returns a string representation of this {@code ReadOnlyObjectProperty} object. 059 * @return a string representation of this {@code ReadOnlyObjectProperty} object. 060 */ 061 @Override 062 public String toString() { 063 final Object bean = getBean(); 064 final String name = getName(); 065 final StringBuilder result = new StringBuilder( 066 "ReadOnlyObjectProperty ["); 067 if (bean != null) { 068 result.append("bean: ").append(bean).append(", "); 069 } 070 if ((name != null) && !name.equals("")) { 071 result.append("name: ").append(name).append(", "); 072 } 073 result.append("value: ").append(get()).append("]"); 074 return result.toString(); 075 } 076 077}