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<div class="subTitle">org.apache.cayenne.access.util</div>
<h2 title="Class DefaultOperationObserver" class="title">Class DefaultOperationObserver</h2>
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<div class="contentContainer">
<ul class="inheritance">
<li><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">java.lang.Object</a></li>
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<ul class="inheritance">
<li>org.apache.cayenne.access.util.DefaultOperationObserver</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/cayenne/access/OperationHints.html" title="interface in org.apache.cayenne.access">OperationHints</a>, <a href="../../../../../org/apache/cayenne/access/OperationObserver.html" title="interface in org.apache.cayenne.access">OperationObserver</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../org/apache/cayenne/access/util/IteratedSelectObserver.html" title="class in org.apache.cayenne.access.util">IteratedSelectObserver</a>, <a href="../../../../../org/apache/cayenne/access/QueryResult.html" title="class in org.apache.cayenne.access">QueryResult</a></dd>
</dl>
<hr>
<br>
<pre>public class <span class="strong">DefaultOperationObserver</span>
extends <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>
implements <a href="../../../../../org/apache/cayenne/access/OperationObserver.html" title="interface in org.apache.cayenne.access">OperationObserver</a></pre>
<div class="block">Simple implementation of OperationObserver interface. Useful as a superclass of other
implementations of OperationObserver. This implementation only tracks transaction
events and exceptions.
<p>
<i>This operation observer is unsafe to use in application, since it doesn't rethrow
the exceptions immediately, and may cause the database to hang.</i>
</p></div>
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<h3>Field Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <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>&lt;<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#globalExceptions">globalExceptions</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>,<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#queryExceptions">queryExceptions</a></strong></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#DefaultOperationObserver()">DefaultOperationObserver</a></strong>()</code>&nbsp;</td>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<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>&lt;<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#getGlobalExceptions()">getGlobalExceptions</a></strong>()</code>
<div class="block">Returns a list of global exceptions that occured during data operation run.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>,<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#getQueryExceptions()">getQueryExceptions</a></strong>()</code>
<div class="block">Returns a list of exceptions that occured during data operation run by query.</div>
</td>
</tr>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#hasExceptions()">hasExceptions</a></strong>()</code>
<div class="block">Returns <code>true</code> if at least one exception was registered during query
execution.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#isIteratedResult()">isIteratedResult</a></strong>()</code>
<div class="block">Returns <code>false</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#nextBatchCount(org.apache.cayenne.query.Query,%20int[])">nextBatchCount</a></strong>(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
int[]&nbsp;resultCount)</code>
<div class="block">Callback method invoked after a batch update is executed.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#nextCount(org.apache.cayenne.query.Query,%20int)">nextCount</a></strong>(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
int&nbsp;resultCount)</code>
<div class="block">Callback method invoked after an updating query is executed.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#nextGeneratedRows(org.apache.cayenne.query.Query,%20org.apache.cayenne.access.ResultIterator)">nextGeneratedRows</a></strong>(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
<a href="../../../../../org/apache/cayenne/access/ResultIterator.html" title="interface in org.apache.cayenne.access">ResultIterator</a>&nbsp;keysIterator)</code>
<div class="block">Closes ResultIterator without reading its data.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#nextGlobalException(java.lang.Exception)">nextGlobalException</a></strong>(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a>&nbsp;ex)</code>
<div class="block">Callback method invoked on exceptions that are not tied to a specific query
execution, such as JDBC connection exceptions, etc.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#nextQueryException(org.apache.cayenne.query.Query,%20java.lang.Exception)">nextQueryException</a></strong>(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a>&nbsp;ex)</code>
<div class="block">Callback method invoked on exceptions that happen during an execution of a specific
query.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#nextRows(org.apache.cayenne.query.Query,%20java.util.List)">nextRows</a></strong>(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
<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>&lt;?&gt;&nbsp;dataRows)</code>
<div class="block">Callback method invoked for each processed ResultSet.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#nextRows(org.apache.cayenne.query.Query,%20org.apache.cayenne.access.ResultIterator)">nextRows</a></strong>(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
<a href="../../../../../org/apache/cayenne/access/ResultIterator.html" title="interface in org.apache.cayenne.access">ResultIterator</a>&nbsp;it)</code>
<div class="block">Closes ResultIterator without reading its data.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/cayenne/access/util/DefaultOperationObserver.html#printExceptions(java.io.PrintWriter)">printExceptions</a></strong>(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/io/PrintWriter.html?is-external=true" title="class or interface in java.io">PrintWriter</a>&nbsp;out)</code>
<div class="block">Prints the information about query and global exceptions.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<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></h3>
<code><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>globalExceptions</h4>
<pre>protected&nbsp;<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>&lt;<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&gt; globalExceptions</pre>
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<h4>queryExceptions</h4>
<pre>protected&nbsp;<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>,<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&gt; queryExceptions</pre>
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<pre>public&nbsp;DefaultOperationObserver()</pre>
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<pre>public&nbsp;void&nbsp;printExceptions(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/io/PrintWriter.html?is-external=true" title="class or interface in java.io">PrintWriter</a>&nbsp;out)</pre>
<div class="block">Prints the information about query and global exceptions.</div>
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<h4>getGlobalExceptions</h4>
<pre>public&nbsp;<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>&lt;<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&gt;&nbsp;getGlobalExceptions()</pre>
<div class="block">Returns a list of global exceptions that occured during data operation run.</div>
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<h4>getQueryExceptions</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>,<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&gt;&nbsp;getQueryExceptions()</pre>
<div class="block">Returns a list of exceptions that occured during data operation run by query.</div>
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<pre>public&nbsp;boolean&nbsp;hasExceptions()</pre>
<div class="block">Returns <code>true</code> if at least one exception was registered during query
execution.</div>
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<pre>public&nbsp;void&nbsp;nextCount(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
int&nbsp;resultCount)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextCount(org.apache.cayenne.query.Query,%20int)">OperationObserver</a></code></strong></div>
<div class="block">Callback method invoked after an updating query is executed.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextCount(org.apache.cayenne.query.Query,%20int)">nextCount</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html" title="interface in org.apache.cayenne.access">OperationObserver</a></code></dd>
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<pre>public&nbsp;void&nbsp;nextBatchCount(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
int[]&nbsp;resultCount)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextBatchCount(org.apache.cayenne.query.Query,%20int[])">OperationObserver</a></code></strong></div>
<div class="block">Callback method invoked after a batch update is executed.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextBatchCount(org.apache.cayenne.query.Query,%20int[])">nextBatchCount</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html" title="interface in org.apache.cayenne.access">OperationObserver</a></code></dd>
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<pre>public&nbsp;void&nbsp;nextRows(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
<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>&lt;?&gt;&nbsp;dataRows)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextRows(org.apache.cayenne.query.Query,%20java.util.List)">OperationObserver</a></code></strong></div>
<div class="block">Callback method invoked for each processed ResultSet.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextRows(org.apache.cayenne.query.Query,%20java.util.List)">nextRows</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html" title="interface in org.apache.cayenne.access">OperationObserver</a></code></dd>
</dl>
</li>
</ul>
<a name="nextRows(org.apache.cayenne.query.Query, org.apache.cayenne.access.ResultIterator)">
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<h4>nextRows</h4>
<pre>public&nbsp;void&nbsp;nextRows(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
<a href="../../../../../org/apache/cayenne/access/ResultIterator.html" title="interface in org.apache.cayenne.access">ResultIterator</a>&nbsp;it)</pre>
<div class="block">Closes ResultIterator without reading its data. If you implement a custom subclass,
only call super if closing the iterator is what you need.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextRows(org.apache.cayenne.query.Query,%20org.apache.cayenne.access.ResultIterator)">nextRows</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html" title="interface in org.apache.cayenne.access">OperationObserver</a></code></dd>
</dl>
</li>
</ul>
<a name="nextGeneratedRows(org.apache.cayenne.query.Query, org.apache.cayenne.access.ResultIterator)">
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<h4>nextGeneratedRows</h4>
<pre>public&nbsp;void&nbsp;nextGeneratedRows(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
<a href="../../../../../org/apache/cayenne/access/ResultIterator.html" title="interface in org.apache.cayenne.access">ResultIterator</a>&nbsp;keysIterator)</pre>
<div class="block">Closes ResultIterator without reading its data. If you implement a custom subclass,
only call super if closing the iterator is what you need.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextGeneratedRows(org.apache.cayenne.query.Query,%20org.apache.cayenne.access.ResultIterator)">nextGeneratedRows</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html" title="interface in org.apache.cayenne.access">OperationObserver</a></code></dd>
<dt><span class="strong">Since:</span></dt>
<dd>3.0</dd></dl>
</li>
</ul>
<a name="nextQueryException(org.apache.cayenne.query.Query, java.lang.Exception)">
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<h4>nextQueryException</h4>
<pre>public&nbsp;void&nbsp;nextQueryException(<a href="../../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</a>&nbsp;query,
<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a>&nbsp;ex)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextQueryException(org.apache.cayenne.query.Query,%20java.lang.Exception)">OperationObserver</a></code></strong></div>
<div class="block">Callback method invoked on exceptions that happen during an execution of a specific
query.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextQueryException(org.apache.cayenne.query.Query,%20java.lang.Exception)">nextQueryException</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html" title="interface in org.apache.cayenne.access">OperationObserver</a></code></dd>
</dl>
</li>
</ul>
<a name="nextGlobalException(java.lang.Exception)">
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<h4>nextGlobalException</h4>
<pre>public&nbsp;void&nbsp;nextGlobalException(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a>&nbsp;ex)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextGlobalException(java.lang.Exception)">OperationObserver</a></code></strong></div>
<div class="block">Callback method invoked on exceptions that are not tied to a specific query
execution, such as JDBC connection exceptions, etc.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html#nextGlobalException(java.lang.Exception)">nextGlobalException</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationObserver.html" title="interface in org.apache.cayenne.access">OperationObserver</a></code></dd>
</dl>
</li>
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<a name="isIteratedResult()">
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<h4>isIteratedResult</h4>
<pre>public&nbsp;boolean&nbsp;isIteratedResult()</pre>
<div class="block">Returns <code>false</code>.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/cayenne/access/OperationHints.html#isIteratedResult()">isIteratedResult</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/cayenne/access/OperationHints.html" title="interface in org.apache.cayenne.access">OperationHints</a></code></dd>
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