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| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.heron.common.utils.tuple</a></div> |
| <h2 title="Class TupleImpl" class="title">Class TupleImpl</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.heron.common.utils.tuple.TupleImpl</li> |
| </ul> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code>java.io.Serializable</code>, <code><a href="../../../api/tuple/Tuple.html" title="interface in org.apache.heron.api.tuple">Tuple</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">TupleImpl</span> |
| extends java.lang.Object |
| implements <a href="../../../api/tuple/Tuple.html" title="interface in org.apache.heron.api.tuple">Tuple</a></pre> |
| <div class="block">The tuple is the main data structure in Heron. A tuple is a named list of values, |
| where each value can be any type. Tuples are dynamically typed -- the types of the fields |
| do not need to be declared. Tuples have helper methods like getInteger and getString |
| to get field values without having to cast the result. |
| <p> |
| Heron needs to know how to serialize all the values in a tuple. By default, Heron |
| knows how to serialize the primitive types, strings, and byte arrays. If you want to |
| use another type, you'll need to implement and register a serializer for that type.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="https://storm.apache.org/documentation/Serialization.html">Storm serialization</a>, |
| <a href="../../../../../../serialized-form.html#org.apache.heron.common.utils.tuple.TupleImpl">Serialized Form</a></dd> |
| </dl> |
| </li> |
| </ul> |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <h3>Constructor Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.heron.api.topology.TopologyContext,org.apache.heron.api.generated.TopologyAPI.StreamId,long,java.util.List,java.util.List,int)">TupleImpl</a></span>​(<a href="../../../api/topology/TopologyContext.html" title="interface in org.apache.heron.api.topology">TopologyContext</a> context, |
| <a href="../../../api/generated/TopologyAPI.StreamId.html" title="class in org.apache.heron.api.generated">TopologyAPI.StreamId</a> stream, |
| long tupleKey, |
| java.util.List<<a href="../../../proto/system/HeronTuples.RootId.html" title="class in org.apache.heron.proto.system">HeronTuples.RootId</a>> roots, |
| java.util.List<java.lang.Object> values, |
| int sourceTaskId)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.heron.api.topology.TopologyContext,org.apache.heron.api.generated.TopologyAPI.StreamId,long,java.util.List,java.util.List,long,boolean,int)">TupleImpl</a></span>​(<a href="../../../api/topology/TopologyContext.html" title="interface in org.apache.heron.api.topology">TopologyContext</a> context, |
| <a href="../../../api/generated/TopologyAPI.StreamId.html" title="class in org.apache.heron.api.generated">TopologyAPI.StreamId</a> stream, |
| long tupleKey, |
| java.util.List<<a href="../../../proto/system/HeronTuples.RootId.html" title="class in org.apache.heron.proto.system">HeronTuples.RootId</a>> roots, |
| java.util.List<java.lang.Object> values, |
| long creationTime, |
| boolean isCheckRequired, |
| int sourceTaskId)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <section> |
| <ul class="blockList"> |
| <li class="blockList"><a id="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#contains(java.lang.String)">contains</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns true if this tuple contains the specified name of the field.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equals(java.lang.Object)">equals</a></span>​(java.lang.Object other)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#fieldIndex(java.lang.String)">fieldIndex</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the position of the specified field in this tuple.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>byte[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBinary(int)">getBinary</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the byte array at position i in the tuple.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>byte[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBinaryByField(java.lang.String)">getBinaryByField</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBoolean(int)">getBoolean</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the Boolean at position i in the tuple.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>java.lang.Boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBooleanByField(java.lang.String)">getBooleanByField</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Byte</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getByte(int)">getByte</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the Byte at position i in the tuple.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>java.lang.Byte</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getByteByField(java.lang.String)">getByteByField</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCreationTime()">getCreationTime</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>java.lang.Double</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDouble(int)">getDouble</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the Double at position i in the tuple.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Double</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDoubleByField(java.lang.String)">getDoubleByField</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="../../../api/tuple/Fields.html" title="class in org.apache.heron.api.tuple">Fields</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFields()">getFields</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the names of the fields in this tuple.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Float</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFloat(int)">getFloat</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the Float at position i in the tuple.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>java.lang.Float</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFloatByField(java.lang.String)">getFloatByField</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Integer</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getInteger(int)">getInteger</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the Integer at position i in the tuple.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>java.lang.Integer</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getIntegerByField(java.lang.String)">getIntegerByField</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLong(int)">getLong</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the Long at position i in the tuple.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>java.lang.Long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLongByField(java.lang.String)">getLongByField</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>java.util.List<<a href="../../../proto/system/HeronTuples.RootId.html" title="class in org.apache.heron.proto.system">HeronTuples.RootId</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRoots()">getRoots</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>java.lang.Short</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getShort(int)">getShort</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the Short at position i in the tuple.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Short</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getShortByField(java.lang.String)">getShortByField</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSourceComponent()">getSourceComponent</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the id of the component that created this tuple.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../api/generated/TopologyAPI.StreamId.html" title="class in org.apache.heron.api.generated">TopologyAPI.StreamId</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSourceGlobalStreamId()">getSourceGlobalStreamId</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the global stream id (component + stream) of this tuple.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSourceStreamId()">getSourceStreamId</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the id of the stream that this tuple was emitted to.</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSourceTask()">getSourceTask</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the id of the task that created this tuple.</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getString(int)">getString</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the String at position i in the tuple.</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getStringByField(java.lang.String)">getStringByField</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTupleKey()">getTupleKey</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Object</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValue(int)">getValue</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the field at position i in the tuple.</div> |
| </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>java.lang.Object</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValueByField(java.lang.String)">getValueByField</a></span>​(java.lang.String field)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code>java.util.List<java.lang.Object></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValues()">getValues</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets all the values in this tuple.</div> |
| </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hashCode()">hashCode</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#resetValues()">resetValues</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Resets the tuple values to null |
| TODO:- Is this needed</div> |
| </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code>java.util.List<java.lang.Object></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#select(org.apache.heron.api.tuple.Fields)">select</a></span>​(<a href="../../../api/tuple/Fields.html" title="class in org.apache.heron.api.tuple">Fields</a> selector)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a subset of the tuple based on the fields selector.</div> |
| </td> |
| </tr> |
| <tr id="i35" class="rowColor"> |
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| <h4>select</h4> |
| <pre class="methodSignature">public java.util.List<java.lang.Object> select​(<a href="../../../api/tuple/Fields.html" title="class in org.apache.heron.api.tuple">Fields</a> selector)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../api/tuple/Tuple.html#select(org.apache.heron.api.tuple.Fields)">Tuple</a></code></span></div> |
| <div class="block">Returns a subset of the tuple based on the fields selector.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../api/tuple/Tuple.html#select(org.apache.heron.api.tuple.Fields)">select</a></code> in interface <code><a href="../../../api/tuple/Tuple.html" title="interface in org.apache.heron.api.tuple">Tuple</a></code></dd> |
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| <h4>getSourceGlobalStreamId</h4> |
| <pre class="methodSignature">public <a href="../../../api/generated/TopologyAPI.StreamId.html" title="class in org.apache.heron.api.generated">TopologyAPI.StreamId</a> getSourceGlobalStreamId()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../api/tuple/Tuple.html#getSourceGlobalStreamId()">Tuple</a></code></span></div> |
| <div class="block">Returns the global stream id (component + stream) of this tuple.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../api/tuple/Tuple.html#getSourceGlobalStreamId()">getSourceGlobalStreamId</a></code> in interface <code><a href="../../../api/tuple/Tuple.html" title="interface in org.apache.heron.api.tuple">Tuple</a></code></dd> |
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| <h4>getSourceComponent</h4> |
| <pre class="methodSignature">public java.lang.String getSourceComponent()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../api/tuple/Tuple.html#getSourceComponent()">Tuple</a></code></span></div> |
| <div class="block">Gets the id of the component that created this tuple.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../api/tuple/Tuple.html#getSourceComponent()">getSourceComponent</a></code> in interface <code><a href="../../../api/tuple/Tuple.html" title="interface in org.apache.heron.api.tuple">Tuple</a></code></dd> |
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| <h4>getSourceTask</h4> |
| <pre class="methodSignature">public int getSourceTask()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../api/tuple/Tuple.html#getSourceTask()">Tuple</a></code></span></div> |
| <div class="block">Gets the id of the task that created this tuple.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../api/tuple/Tuple.html#getSourceTask()">getSourceTask</a></code> in interface <code><a href="../../../api/tuple/Tuple.html" title="interface in org.apache.heron.api.tuple">Tuple</a></code></dd> |
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| <h4>getSourceStreamId</h4> |
| <pre class="methodSignature">public java.lang.String getSourceStreamId()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../api/tuple/Tuple.html#getSourceStreamId()">Tuple</a></code></span></div> |
| <div class="block">Gets the id of the stream that this tuple was emitted to.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../api/tuple/Tuple.html#getSourceStreamId()">getSourceStreamId</a></code> in interface <code><a href="../../../api/tuple/Tuple.html" title="interface in org.apache.heron.api.tuple">Tuple</a></code></dd> |
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| <h4>toString</h4> |
| <pre class="methodSignature">public java.lang.String toString()</pre> |
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| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>toString</code> in class <code>java.lang.Object</code></dd> |
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| <h4>equals</h4> |
| <pre class="methodSignature">public boolean equals​(java.lang.Object other)</pre> |
| <dl> |
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| <dd><code>equals</code> in class <code>java.lang.Object</code></dd> |
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| <pre class="methodSignature">public int hashCode()</pre> |
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| <h4>resetValues</h4> |
| <pre class="methodSignature">public void resetValues()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../api/tuple/Tuple.html#resetValues()">Tuple</a></code></span></div> |
| <div class="block">Resets the tuple values to null |
| TODO:- Is this needed</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../api/tuple/Tuple.html#resetValues()">resetValues</a></code> in interface <code><a href="../../../api/tuple/Tuple.html" title="interface in org.apache.heron.api.tuple">Tuple</a></code></dd> |
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| <h4>getCreationTime</h4> |
| <pre class="methodSignature">public long getCreationTime()</pre> |
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