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Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/FilteringWritablePropertyValueModel.java')
-rw-r--r-- | common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/FilteringWritablePropertyValueModel.java | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/FilteringWritablePropertyValueModel.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/FilteringWritablePropertyValueModel.java deleted file mode 100644 index 4a3c040eb7..0000000000 --- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/FilteringWritablePropertyValueModel.java +++ /dev/null @@ -1,89 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2008, 2012 Oracle. All rights reserved. - * This program and the accompanying materials are made available under the - * terms of the Eclipse Public License v1.0, which accompanies this distribution - * and is available at http://www.eclipse.org/legal/epl-v10.html. - * - * Contributors: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.common.utility.internal.model.value; - -import org.eclipse.jpt.common.utility.Filter; -import org.eclipse.jpt.common.utility.model.value.ModifiablePropertyValueModel; - -/** - * A <code>FilteringWritablePropertyValueModel</code> wraps another - * {@link ModifiablePropertyValueModel} and uses a pair of {@link Filter}s - * to determine when the wrapped value is to be returned by calls - * to {@link #getValue()} and modified by calls to - * {@link #setValue(Object) setValue(V)}. - * <p> - * One, possibly undesirable, side-effect of using this value model is that - * it must return <em>something</em> as the value. The default behavior is - * to return <code>null</code> whenever the wrapped value is not "accepted", - * which can be configured and/or overridden - * ({@link FilteringPropertyValueModel#getDefaultValue() getDefaultValue()}). - * <p> - * Another, possibly undesirable, side-effect of using this value model is that - * it will not fire an event if a new value is not "accepted", even if it is - * different than the current value. - * <p> - * Similarly, if an incoming value is not "reverse accepted", <em>nothing</em> - * will passed through to the wrapped value model, not even <code>null</code>. - * - * @param <V> the type of the model's <em>filtered</em> value - * @see Filter - */ -public class FilteringWritablePropertyValueModel<V> - extends FilteringPropertyValueModel<V> - implements ModifiablePropertyValueModel<V> -{ - /** - * The model sets the wrapped value to any value accepted by this filter - * and does nothing with any value rejected by this filter. - */ - protected final Filter<V> setFilter; - - - // ********** constructors ********** - - /** - * Construct a filtering property value model with the specified nested - * property value model, <em>get</em> filter, and <em>set</em> filter. - * The default value will be <code>null</code>. - */ - public FilteringWritablePropertyValueModel(ModifiablePropertyValueModel<V> valueModel, Filter<V> getFilter, Filter<V> setFilter) { - this(valueModel, getFilter, setFilter, null); - } - - /** - * Construct a filtering property value model with the specified nested - * property value model, <em>get</em> filter, <em>set</em> filter, - * and default value. - */ - public FilteringWritablePropertyValueModel(ModifiablePropertyValueModel<V> valueModel, Filter<V> getFilter, Filter<V> setFilter, V defaultValue) { - super(valueModel, getFilter, defaultValue); - if (setFilter == null) { - throw new NullPointerException(); - } - this.setFilter = setFilter; - } - - - // ********** WritablePropertyValueModel implementation ********** - - public void setValue(V value) { - if (this.setFilter.accept(value)) { - this.getValueModel().setValue(value); - } - } - - /** - * Our constructor accepts only a {@link ModifiablePropertyValueModel}{@code<T>}. - */ - @SuppressWarnings("unchecked") - protected ModifiablePropertyValueModel<V> getValueModel() { - return (ModifiablePropertyValueModel<V>) this.valueModel; - } -} |