diff options
Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/CompositeBooleanPropertyValueModel.java')
| -rw-r--r-- | common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/CompositeBooleanPropertyValueModel.java | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/CompositeBooleanPropertyValueModel.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/CompositeBooleanPropertyValueModel.java deleted file mode 100644 index acedc5ebb4..0000000000 --- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/CompositeBooleanPropertyValueModel.java +++ /dev/null @@ -1,338 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2010 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 java.util.Collection; - -import org.eclipse.jpt.common.utility.internal.iterables.TransformationIterable; -import org.eclipse.jpt.common.utility.model.value.CollectionValueModel; -import org.eclipse.jpt.common.utility.model.value.PropertyValueModel; - -/** - * A <code>CompositeBooleanPropertyValueModel</code> adapts a - * {@link CollectionValueModel} holding boolean {@link PropertyValueModel}s - * to a single boolean {@link PropertyValueModel}. The composite value is - * determined by the {@link CompositeBooleanPropertyValueModel.Adapter} provided - * at construction. Typically the composite will be either an AND or an OR of - * all the boolean values. - * <p> - * If there are <em>no</em> boolean {@link PropertyValueModel}s, the composite - * will return its default value; which, by default, is <code>null</code>. - * <p> - * <strong>NB:</strong> None of the wrapped boolean models can return a - * <code>null</code> value or this class will throw an exception. The assumption - * is that all the wrapped boolean models are configured with "default" values - * that determine the model's value (TRUE or FALSE) when <code>null</code>. - */ -public class CompositeBooleanPropertyValueModel - extends CompositePropertyValueModel<Boolean> -{ - /** - * Calculation of the model's value is delegated to this adapter. - */ - protected final Adapter adapter; - - /** - * The default setting for the composite boolean property value model; - * for when the underlying collection model is empty. - * The default [default value] is <code>null</code>. - */ - private final Boolean defaultValue; - - - // ********** AND factory methods ********** - - /** - * Construct a boolean property value model that is a composite AND of the - * specified boolean property value models; i.e. the model's value is true - * if all the contained models are true, otherwise its value is false. - * The model's default value, when it contains no nested models, is - * <code>null</code>. - */ - public static CompositeBooleanPropertyValueModel and(PropertyValueModel<Boolean>... array) { - return new CompositeBooleanPropertyValueModel(AND_ADAPTER, array); - } - - /** - * Construct a boolean property value model that is a composite AND of the - * specified boolean property value models; i.e. the model's value is true - * if all the contained models are true, otherwise its value is false. - * When the model contains no nested models, its value will be the - * specified default. - */ - public static CompositeBooleanPropertyValueModel and(Boolean defaultValue, PropertyValueModel<Boolean>... array) { - return new CompositeBooleanPropertyValueModel(AND_ADAPTER, defaultValue, array); - } - - /** - * Construct a boolean property value model that is a composite AND of the - * specified boolean property value models; i.e. the model's value is true - * if all the contained models are true, otherwise its value is false. - * The model's default value, when it contains no nested models, is - * <code>null</code>. - */ - public static <E extends PropertyValueModel<Boolean>> CompositeBooleanPropertyValueModel and(Collection<E> collection) { - return new CompositeBooleanPropertyValueModel(AND_ADAPTER, collection); - } - - /** - * Construct a boolean property value model that is a composite AND of the - * specified boolean property value models; i.e. the model's value is true - * if all the contained models are true, otherwise its value is false. - * When the model contains no nested models, its value will be the - * specified default. - */ - public static <E extends PropertyValueModel<Boolean>> CompositeBooleanPropertyValueModel and(Boolean defaultValue, Collection<E> collection) { - return new CompositeBooleanPropertyValueModel(AND_ADAPTER, defaultValue, collection); - } - - /** - * Construct a boolean property value model that is a composite AND of the - * specified boolean property value models; i.e. the model's value is true - * if all the contained models are true, otherwise its value is false. - * The model's default value, when it contains no nested models, is - * <code>null</code>. - */ - public static CompositeBooleanPropertyValueModel and(CollectionValueModel<? extends PropertyValueModel<Boolean>> collectionModel) { - return new CompositeBooleanPropertyValueModel(AND_ADAPTER, collectionModel); - } - - /** - * Construct a boolean property value model that is a composite AND of the - * specified boolean property value models; i.e. the model's value is true - * if all the contained models are true, otherwise its value is false. - * When the model contains no nested models, its value will be the - * specified default. - */ - public static CompositeBooleanPropertyValueModel and(Boolean defaultValue, CollectionValueModel<? extends PropertyValueModel<Boolean>> collectionModel) { - return new CompositeBooleanPropertyValueModel(AND_ADAPTER, defaultValue, collectionModel); - } - - - // ********** OR factory methods ********** - - /** - * Construct a boolean property value model that is a composite OR of the - * specified boolean property value models; i.e. the model's value is false - * if all the contained models are false, otherwise its value is true. - * The model's default value, when it contains no nested models, is - * <code>null</code>. - */ - public static CompositeBooleanPropertyValueModel or(PropertyValueModel<Boolean>... array) { - return new CompositeBooleanPropertyValueModel(OR_ADAPTER, array); - } - - /** - * Construct a boolean property value model that is a composite OR of the - * specified boolean property value models; i.e. the model's value is false - * if all the contained models are false, otherwise its value is true. - * When the model contains no nested models, its value will be the - * specified default. - */ - public static CompositeBooleanPropertyValueModel or(Boolean defaultValue, PropertyValueModel<Boolean>... array) { - return new CompositeBooleanPropertyValueModel(OR_ADAPTER, defaultValue, array); - } - - /** - * Construct a boolean property value model that is a composite OR of the - * specified boolean property value models; i.e. the model's value is false - * if all the contained models are false, otherwise its value is true. - * The model's default value, when it contains no nested models, is - * <code>null</code>. - */ - public static <E extends PropertyValueModel<Boolean>> CompositeBooleanPropertyValueModel or(Collection<E> collection) { - return new CompositeBooleanPropertyValueModel(OR_ADAPTER, collection); - } - - /** - * Construct a boolean property value model that is a composite OR of the - * specified boolean property value models; i.e. the model's value is false - * if all the contained models are false, otherwise its value is true. - * When the model contains no nested models, its value will be the - * specified default. - */ - public static <E extends PropertyValueModel<Boolean>> CompositeBooleanPropertyValueModel or(Boolean defaultValue, Collection<E> collection) { - return new CompositeBooleanPropertyValueModel(OR_ADAPTER, defaultValue, collection); - } - - /** - * Construct a boolean property value model that is a composite OR of the - * specified boolean property value models; i.e. the model's value is false - * if all the contained models are false, otherwise its value is true. - * The model's default value, when it contains no nested models, is - * <code>null</code>. - */ - public static CompositeBooleanPropertyValueModel or(CollectionValueModel<? extends PropertyValueModel<Boolean>> collectionModel) { - return new CompositeBooleanPropertyValueModel(OR_ADAPTER, collectionModel); - } - - /** - * Construct a boolean property value model that is a composite OR of the - * specified boolean property value models; i.e. the model's value is false - * if all the contained models are false, otherwise its value is true. - * When the model contains no nested models, its value will be the - * specified default. - */ - public static CompositeBooleanPropertyValueModel or(Boolean defaultValue, CollectionValueModel<? extends PropertyValueModel<Boolean>> collectionModel) { - return new CompositeBooleanPropertyValueModel(OR_ADAPTER, defaultValue, collectionModel); - } - - - // ********** constructors ********** - - /** - * Construct a boolean property value model that is a composite of the specified - * boolean property value models, as defined by the specified adapter. - * The model's default value, when it contains no nested models, is - * <code>null</code>. - */ - public CompositeBooleanPropertyValueModel(Adapter adapter, PropertyValueModel<Boolean>... array) { - this(adapter, null, array); - } - - /** - * Construct a boolean property value model that is a composite of the specified - * boolean property value models, as defined by the specified adapter. - * When the model contains no nested models, its value will be the - * specified default. - */ - public CompositeBooleanPropertyValueModel(Adapter adapter, Boolean defaultValue, PropertyValueModel<Boolean>... array) { - super(array); - this.adapter = adapter; - this.defaultValue = defaultValue; - } - - /** - * Construct a boolean property value model that is a composite of the specified - * boolean property value models, as defined by the specified adapter. - * The model's default value, when it contains no nested models, is - * <code>null</code>. - */ - public <E extends PropertyValueModel<Boolean>> CompositeBooleanPropertyValueModel(Adapter adapter, Collection<E> collection) { - this(adapter, null, collection); - } - - /** - * Construct a boolean property value model that is a composite of the specified - * boolean property value models, as defined by the specified adapter. - * When the model contains no nested models, its value will be the - * specified default. - */ - public <E extends PropertyValueModel<Boolean>> CompositeBooleanPropertyValueModel(Adapter adapter, Boolean defaultValue, Collection<E> collection) { - super(collection); - this.adapter = adapter; - this.defaultValue = defaultValue; - } - - /** - * Construct a boolean property value model that is a composite of the specified - * boolean property value models, as defined by the specified adapter. - * The model's default value, when it contains no nested models, is - * <code>null</code>. - */ - public CompositeBooleanPropertyValueModel(Adapter adapter, CollectionValueModel<? extends PropertyValueModel<Boolean>> collectionModel) { - this(adapter, null, collectionModel); - } - - /** - * Construct a boolean property value model that is a composite of the specified - * boolean property value models, as defined by the specified adapter. - * When the model contains no nested models, its value will be the - * specified default. - */ - public CompositeBooleanPropertyValueModel(Adapter adapter, Boolean defaultValue, CollectionValueModel<? extends PropertyValueModel<Boolean>> collectionModel) { - super(collectionModel); - this.adapter = adapter; - this.defaultValue = defaultValue; - } - - - // ********** implementation ********** - - /** - * Return true if all the contained booleans are true; otherwise return - * false. - */ - @Override - protected Boolean buildValue() { - return (this.collectionModel.size() == 0) ? this.defaultValue : this.buildValue_(); - } - - protected Boolean buildValue_() { - return this.adapter.buildValue(this.getBooleans()); - } - - protected Iterable<Boolean> getBooleans() { - return new TransformationIterable<PropertyValueModel<Boolean>, Boolean>(this.getCollectionModel()) { - @Override - protected Boolean transform(PropertyValueModel<Boolean> booleanModel) { - return booleanModel.getValue(); - } - }; - } - - @Override - @SuppressWarnings("unchecked") - protected CollectionValueModel<? extends PropertyValueModel<Boolean>> getCollectionModel() { - return (CollectionValueModel<? extends PropertyValueModel<Boolean>>) super.getCollectionModel(); - } - - - // ********** adapter ********** - - /** - * This adapter allows the {@link CompositeBooleanPropertyValueModel} to be - * pluggable. - */ - public interface Adapter { - /** - * Return the composite boolean value of the specified collection - * of boolean models. - */ - Boolean buildValue(Iterable<Boolean> booleans); - } - - /** - * Return true if all the booleans are true; otherwise return false. - */ - public static final Adapter AND_ADAPTER = new Adapter() { - public Boolean buildValue(Iterable<Boolean> booleans) { - for (Boolean b : booleans) { - if ( ! b.booleanValue()) { - return Boolean.FALSE; - } - } - return Boolean.TRUE; - } - @Override - public String toString() { - return "AND_ADAPTER"; //$NON-NLS-1$ - } - }; - - /** - * Return false if all the booleans are false; otherwise return true. - */ - public static final Adapter OR_ADAPTER = new Adapter() { - public Boolean buildValue(Iterable<Boolean> booleans) { - for (Boolean b : booleans) { - if (b.booleanValue()) { - return Boolean.TRUE; - } - } - return Boolean.FALSE; - } - @Override - public String toString() { - return "OR_ADAPTER"; //$NON-NLS-1$ - } - }; - -} |