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| <h2 title="Interface CustomErrorContext" class="title">Interface CustomErrorContext</h2> |
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| <pre>public interface <span class="typeNameLabel">CustomErrorContext</span></pre> |
| <div class="block">Generic mechanism to pass error context throughout the row set |
| mechanism and scan framework. The idea is to encapsulate error |
| context information in an object that can be passed around, rather |
| than having to pass the error information directly. In many cases, the |
| same mechanisms are called from multiple contexts, making it hard to |
| generalize the information that would be required. By hiding that |
| information in an error context, the caller decides what to add to |
| the error, the intermediate classes just pass along this opaque |
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| In some cases, such as file scans within a scan operator, there can be |
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| context that adds things like file name, split offset, etc. |
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| If this proves useful elsewhere, it can be moved into the same |
| package as UserError, and a new <tt>addContext()</tt> method added |
| to the <tt>UserException.Builder</tt> to make the error context |
| easier to use.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/drill/common/exceptions/CustomErrorContext.html#addContext-org.apache.drill.common.exceptions.UserException.Builder-">addContext</a></span>(<a href="../../../../../org/apache/drill/common/exceptions/UserException.Builder.html" title="class in org.apache.drill.common.exceptions">UserException.Builder</a> builder)</code> </td> |
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| <h4>addContext</h4> |
| <pre>void addContext(<a href="../../../../../org/apache/drill/common/exceptions/UserException.Builder.html" title="class in org.apache.drill.common.exceptions">UserException.Builder</a> builder)</pre> |
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