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Java > Open Source Codes > org > odmg > DList


1 package org.odmg;
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3
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5 /**
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7  * The ODMG List collection.
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9  * A <code>DList</code> collection is an ordered collection that provides
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11  * efficient insertion and removal of elements at arbitrary positions in the
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13  * list, but it also supports indexed access. The beginning index value is 0.
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15  * When an element is added at a given position in the list, the index of all
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17  * subsequent elements is increased by 1. Similarly, when an element is removed
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19  * from the list, the index of all subsequent elements is decreased by 1.
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21  * <p>
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23  * All of the operations defined by the JavaSoft <code>List</code>
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25  * interface are supported by an ODMG implementation of <code>DList</code>,
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27  * the exception <code>UnsupportedOperationException</code> is not thrown when a
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29  * call is made to any of the <code>List</code> methods.
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31  * @author David Jordan (as Java Editor of the Object Data Management Group)
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33  * @version ODMG 3.0
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35  */
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37 // * @see com.sun.java.util.collections.UnsupportedOperationException
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39
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41 public interface DList extends DCollection, java.util.List JavaDoc
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43 {
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45     /**
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47      * Creates a new <code>DList</code> object that contains the contents of this
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49      * <code>DList</code> object concatenated
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51      * with the contents of the <code>otherList</code> object.
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53      * @param otherList The list whose elements are placed at the end of the list
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55      * returned by this method.
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57      * @return A new <code>DList</code> that is the concatenation of this list and
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59      * the list referenced by <code>otherList</code>.
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61      */
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63     public DList concat(DList otherList);
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65 }
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