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| <h2 title="Interface ResultIterator" class="title">Interface ResultIterator</h2> |
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| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../org/apache/cayenne/access/jdbc/DistinctResultIterator.html" title="class in org.apache.cayenne.access.jdbc">DistinctResultIterator</a>, <a href="../../../../org/apache/cayenne/access/jdbc/JDBCResultIterator.html" title="class in org.apache.cayenne.access.jdbc">JDBCResultIterator</a>, <a href="../../../../org/apache/cayenne/access/jdbc/LimitResultIterator.html" title="class in org.apache.cayenne.access.jdbc">LimitResultIterator</a></dd> |
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| <pre>public interface <span class="strong">ResultIterator</span></pre> |
| <div class="block">Defines API of an iterator over the records returned as a result of SelectQuery |
| execution. Usually a ResultIterator is supported by an open java.sql.ResultSet, |
| therefore most of the methods would throw checked exceptions. ResultIterators must be |
| explicitly closed when the user is done working with them. |
| <p> |
| Result "rows", depending on the query, may be represented as scalar values, DataRows, |
| or Object[] arrays containing a mix of scalars and DataRows.</div> |
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| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><?></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/access/ResultIterator.html#allRows()">allRows</a></strong>()</code> |
| <div class="block">Returns all yet unread rows from ResultSet without closing it.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/access/ResultIterator.html#close()">close</a></strong>()</code> |
| <div class="block">Closes ResultIterator and associated ResultSet.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/access/ResultIterator.html#hasNextRow()">hasNextRow</a></strong>()</code> |
| <div class="block">Returns true if there is at least one more record that can be read from the |
| iterator.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/access/ResultIterator.html#nextRow()">nextRow</a></strong>()</code> |
| <div class="block">Returns the next result row that is, depending on the query, may be a scalar value, |
| a DataRow, or an Object[] array containing a mix of scalars and DataRows.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/access/ResultIterator.html#skipRow()">skipRow</a></strong>()</code> </td> |
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| <a name="allRows()"> |
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| <h4>allRows</h4> |
| <pre><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><?> allRows() |
| throws <a href="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</a></pre> |
| <div class="block">Returns all yet unread rows from ResultSet without closing it.</div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</a></code></dd><dt><span class="strong">Since:</span></dt> |
| <dd>3.0</dd></dl> |
| </li> |
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| <h4>hasNextRow</h4> |
| <pre>boolean hasNextRow() |
| throws <a href="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</a></pre> |
| <div class="block">Returns true if there is at least one more record that can be read from the |
| iterator.</div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</a></code></dd></dl> |
| </li> |
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| <h4>nextRow</h4> |
| <pre><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> nextRow() |
| throws <a href="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</a></pre> |
| <div class="block">Returns the next result row that is, depending on the query, may be a scalar value, |
| a DataRow, or an Object[] array containing a mix of scalars and DataRows.</div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</a></code></dd><dt><span class="strong">Since:</span></dt> |
| <dd>3.0</dd></dl> |
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| <pre>void skipRow() |
| throws <a href="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</a></pre> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</a></code></dd><dt><span class="strong">Since:</span></dt> |
| <dd>3.0</dd></dl> |
| </li> |
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| <h4>close</h4> |
| <pre>void close() |
| throws <a href="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</a></pre> |
| <div class="block">Closes ResultIterator and associated ResultSet. This method must be called |
| explicitly when the user is finished processing the records. Otherwise unused |
| database resources will not be released properly.</div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</a></code></dd></dl> |
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