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<div class="subTitle">org.apache.drill.exec.server.options</div>
<h2 title="Class PersistedOptionValue" class="title">Class PersistedOptionValue</h2>
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<li><a href="https://docs.oracle.com/javase/8/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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<li>org.apache.drill.exec.server.options.PersistedOptionValue</li>
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<pre>public class <span class="typeNameLabel">PersistedOptionValue</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block"><p>
This represents a persisted <a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.html" title="class in org.apache.drill.exec.server.options"><code>OptionValue</code></a>. Decoupling the <a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.html" title="class in org.apache.drill.exec.server.options"><code>OptionValue</code></a> from what
is persisted will prevent us from accidentally breaking backward compatibility in the future
when the <a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.html" title="class in org.apache.drill.exec.server.options"><code>OptionValue</code></a> changes. Additionally when we do change the format of stored options we
will not have to change much code since this is already designed with backward compatibility in mind.
This class is also forward compatible with the Drill Option storage format in Drill 1.11 and earlier.
</p>
<p>
<b>Contract:</b>
Only <a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html" title="class in org.apache.drill.exec.server.options"><code>PersistedOptionValue</code></a>s created from an <a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.html" title="class in org.apache.drill.exec.server.options"><code>OptionValue</code></a> should be persisted.
And <a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.html" title="class in org.apache.drill.exec.server.options"><code>OptionValue</code></a>s should only be created from <a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html" title="class in org.apache.drill.exec.server.options"><code>PersistedOptionValue</code></a>s that are
retrieved from a store.
</p></div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.Deserializer.html" title="class in org.apache.drill.exec.server.options">PersistedOptionValue.Deserializer</a></span></code>
<div class="block">This deserializer only fetches the relevant information we care about from a store, which is the
value of an option.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#JSON_BOOL_VAL">JSON_BOOL_VAL</a></span></code>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#JSON_FLOAT_VAL">JSON_FLOAT_VAL</a></span></code>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#JSON_INTEGER_VAL">JSON_INTEGER_VAL</a></span></code>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#JSON_KIND">JSON_KIND</a></span></code>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#JSON_NAME">JSON_NAME</a></span></code>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#JSON_NUM_VAL">JSON_NUM_VAL</a></span></code>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#JSON_STRING_VAL">JSON_STRING_VAL</a></span></code>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#JSON_TYPE">JSON_TYPE</a></span></code>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#SYSTEM_TYPE">SYSTEM_TYPE</a></span></code>
<div class="block">This is present for forward compatability with Drill 1.11 and earlier</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#PersistedOptionValue-org.apache.drill.exec.server.options.OptionValue.Kind-java.lang.String-java.lang.Long-java.lang.String-java.lang.Boolean-java.lang.Double-">PersistedOptionValue</a></span>(<a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.Kind.html" title="enum in org.apache.drill.exec.server.options">OptionValue.Kind</a>&nbsp;kind,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;num_val,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string_val,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>&nbsp;bool_val,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;float_val)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#PersistedOptionValue-java.lang.String-">PersistedOptionValue</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value)</code>&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#equals-java.lang.Object-">equals</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;o)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#getBoolVal--">getBoolVal</a></span>()</code>
<div class="block">This is present for forward compatibility.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#getFloatVal--">getFloatVal</a></span>()</code>
<div class="block">This is present for forward compatibility.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.Kind.html" title="enum in org.apache.drill.exec.server.options">OptionValue.Kind</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#getKind--">getKind</a></span>()</code>
<div class="block">This is present for forward compatibility.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#getName--">getName</a></span>()</code>
<div class="block">This is present for forward compatibility.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#getNumVal--">getNumVal</a></span>()</code>
<div class="block">This is present for forward compatibility.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#getStringVal--">getStringVal</a></span>()</code>
<div class="block">This is present for forward compatibility.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#getType--">getType</a></span>()</code>
<div class="block">This is present for forward compatibility.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#getValue--">getValue</a></span>()</code>
<div class="block">This is ignored for forward compatibility.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#hashCode--">hashCode</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.html" title="class in org.apache.drill.exec.server.options">OptionValue</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#toOptionValue-org.apache.drill.exec.server.options.OptionDefinition-org.apache.drill.exec.server.options.OptionValue.OptionScope-">toOptionValue</a></span>(<a href="../../../../../../org/apache/drill/exec/server/options/OptionDefinition.html" title="class in org.apache.drill.exec.server.options">OptionDefinition</a>&nbsp;optionDefinition,
<a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.OptionScope.html" title="enum in org.apache.drill.exec.server.options">OptionValue.OptionScope</a>&nbsp;optionScope)</code>&nbsp;</td>
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<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/server/options/PersistedOptionValue.html#toString--">toString</a></span>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Field Detail</h3>
<a name="SYSTEM_TYPE">
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<h4>SYSTEM_TYPE</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> SYSTEM_TYPE</pre>
<div class="block">This is present for forward compatability with Drill 1.11 and earlier</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../constant-values.html#org.apache.drill.exec.server.options.PersistedOptionValue.SYSTEM_TYPE">Constant Field Values</a></dd>
</dl>
</li>
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<a name="JSON_TYPE">
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<h4>JSON_TYPE</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> JSON_TYPE</pre>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../constant-values.html#org.apache.drill.exec.server.options.PersistedOptionValue.JSON_TYPE">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> JSON_KIND</pre>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> JSON_NAME</pre>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
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<dd><a href="../../../../../../constant-values.html#org.apache.drill.exec.server.options.PersistedOptionValue.JSON_NAME">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> JSON_NUM_VAL</pre>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> JSON_STRING_VAL</pre>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> JSON_BOOL_VAL</pre>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
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<dd><a href="../../../../../../constant-values.html#org.apache.drill.exec.server.options.PersistedOptionValue.JSON_BOOL_VAL">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> JSON_FLOAT_VAL</pre>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
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<dd><a href="../../../../../../constant-values.html#org.apache.drill.exec.server.options.PersistedOptionValue.JSON_FLOAT_VAL">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> JSON_INTEGER_VAL</pre>
<div class="block">This constant cannot be changed for backward and forward compatibility reasons.</div>
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<dd><a href="../../../../../../constant-values.html#org.apache.drill.exec.server.options.PersistedOptionValue.JSON_INTEGER_VAL">Constant Field Values</a></dd>
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<pre>public&nbsp;PersistedOptionValue(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value)</pre>
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<pre>public&nbsp;PersistedOptionValue(<a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.Kind.html" title="enum in org.apache.drill.exec.server.options">OptionValue.Kind</a>&nbsp;kind,
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getValue()</pre>
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<pre>public&nbsp;<a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.Kind.html" title="enum in org.apache.drill.exec.server.options">OptionValue.Kind</a>&nbsp;getKind()</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getName()</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;getNumVal()</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getStringVal()</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>&nbsp;getBoolVal()</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;getFloatVal()</pre>
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<pre>public&nbsp;<a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.html" title="class in org.apache.drill.exec.server.options">OptionValue</a>&nbsp;toOptionValue(<a href="../../../../../../org/apache/drill/exec/server/options/OptionDefinition.html" title="class in org.apache.drill.exec.server.options">OptionDefinition</a>&nbsp;optionDefinition,
<a href="../../../../../../org/apache/drill/exec/server/options/OptionValue.OptionScope.html" title="enum in org.apache.drill.exec.server.options">OptionValue.OptionScope</a>&nbsp;optionScope)</pre>
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<pre>public&nbsp;boolean&nbsp;equals(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;o)</pre>
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<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
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<pre>public&nbsp;int&nbsp;hashCode()</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
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