001    /*
002     * Copyright 2002-2004 the original author or authors.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not
005     * use this file except in compliance with the License. You may obtain a copy of
006     * the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
012     * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
013     * License for the specific language governing permissions and limitations under
014     * the License.
015     */
016    package org.springframework.rules.closure.support;
017    
018    import java.io.Serializable;
019    import java.util.Collection;
020    import java.util.Iterator;
021    
022    import org.springframework.rules.closure.Closure;
023    
024    /**
025     * Convenience implementation for the closure interface. Extends
026     * AlgorithmsAccessorSupport for convenient execution of various data structure
027     * processing algorithms taking advantage of closures and constraints.
028     *
029     * @author Keith Donald
030     */
031    public abstract class AbstractClosure extends AlgorithmsAccessor implements Closure, Serializable {
032    
033            /**
034             * Execute this closure for each element in the provided collection.
035             *
036             * @param collection The collection
037             */
038            public final void forEach(Collection collection) {
039                    forEach(collection, this);
040            }
041    
042            /**
043             * Execute this closure for each element traversable via the provided
044             * iterator.
045             *
046             * @param it The iterator
047             */
048            public final void forEach(Iterator it) {
049                    forEach(it, this);
050            }
051    }