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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.nemo.runtime.executor.data.block</a></div>
<h2 title="Class NonSerializedMemoryBlock" class="title">Class NonSerializedMemoryBlock&lt;K extends java.io.Serializable&gt;</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>org.apache.nemo.runtime.executor.data.block.NonSerializedMemoryBlock&lt;K&gt;</li>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>K</code> - the key type of its partitions.</dd>
</dl>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="Block.html" title="interface in org.apache.nemo.runtime.executor.data.block">Block</a>&lt;K&gt;</code></dd>
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<hr>
<pre>@NotThreadSafe
public final class <span class="typeNameLabel">NonSerializedMemoryBlock&lt;K extends java.io.Serializable&gt;</span>
extends java.lang.Object
implements <a href="Block.html" title="interface in org.apache.nemo.runtime.executor.data.block">Block</a>&lt;K&gt;</pre>
<div class="block">This class represents a block which is stored in local memory and not serialized.
Concurrent read is supported, but concurrent write is not supported.</div>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.String,org.apache.nemo.runtime.executor.data.streamchainer.Serializer,org.apache.nemo.runtime.executor.data.MemoryPoolAssigner)">NonSerializedMemoryBlock</a></span>&#8203;(java.lang.String&nbsp;blockId,
<a href="../streamchainer/Serializer.html" title="class in org.apache.nemo.runtime.executor.data.streamchainer">Serializer</a>&nbsp;serializer,
<a href="../MemoryPoolAssigner.html" title="class in org.apache.nemo.runtime.executor.data">MemoryPoolAssigner</a>&nbsp;memoryPoolAssigner)</code></th>
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<div class="block">Constructor.</div>
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<td class="colFirst"><code>java.util.Optional&lt;java.util.Map&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>,&#8203;java.lang.Long&gt;&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#commit()">commit</a></span>()</code></th>
<td class="colLast">
<div class="block">Commits this block to prevent further write.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#commitPartitions()">commitPartitions</a></span>()</code></th>
<td class="colLast">
<div class="block">Commits all un-committed partitions.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getId()">getId</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCommitted()">isCommitted</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>java.lang.Iterable&lt;<a href="../partition/NonSerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition">NonSerializedPartition</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>&gt;&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readPartitions(org.apache.nemo.common.KeyRange)">readPartitions</a></span>&#8203;(<a href="../../../../common/KeyRange.html" title="interface in org.apache.nemo.common">KeyRange</a>&nbsp;keyRange)</code></th>
<td class="colLast">
<div class="block">Retrieves the <a href="../partition/NonSerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>NonSerializedPartition</code></a>s in a specific hash range from this block.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>java.lang.Iterable&lt;<a href="../partition/SerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition">SerializedPartition</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>&gt;&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readSerializedPartitions(org.apache.nemo.common.KeyRange)">readSerializedPartitions</a></span>&#8203;(<a href="../../../../common/KeyRange.html" title="interface in org.apache.nemo.common">KeyRange</a>&nbsp;keyRange)</code></th>
<td class="colLast">
<div class="block">Retrieves the <a href="../partition/SerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>SerializedPartition</code></a>s in a specific hash range.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#write(K,java.lang.Object)">write</a></span>&#8203;(<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>&nbsp;key,
java.lang.Object&nbsp;element)</code></th>
<td class="colLast">
<div class="block">Writes an element to non-committed block.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#writePartitions(java.lang.Iterable)">writePartitions</a></span>&#8203;(java.lang.Iterable&lt;<a href="../partition/NonSerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition">NonSerializedPartition</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>&gt;&gt;&nbsp;partitions)</code></th>
<td class="colLast">
<div class="block">Stores <a href="../partition/NonSerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>NonSerializedPartition</code></a>s to this block.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#writeSerializedPartitions(java.lang.Iterable)">writeSerializedPartitions</a></span>&#8203;(java.lang.Iterable&lt;<a href="../partition/SerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition">SerializedPartition</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>&gt;&gt;&nbsp;partitions)</code></th>
<td class="colLast">
<div class="block">Stores <a href="../partition/SerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>SerializedPartition</code></a>s to this block.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Constructor Detail</h3>
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<h4>NonSerializedMemoryBlock</h4>
<pre>public&nbsp;NonSerializedMemoryBlock&#8203;(java.lang.String&nbsp;blockId,
<a href="../streamchainer/Serializer.html" title="class in org.apache.nemo.runtime.executor.data.streamchainer">Serializer</a>&nbsp;serializer,
<a href="../MemoryPoolAssigner.html" title="class in org.apache.nemo.runtime.executor.data">MemoryPoolAssigner</a>&nbsp;memoryPoolAssigner)</pre>
<div class="block">Constructor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>blockId</code> - the ID of this block.</dd>
<dd><code>serializer</code> - the <a href="../streamchainer/Serializer.html" title="class in org.apache.nemo.runtime.executor.data.streamchainer"><code>Serializer</code></a>.</dd>
<dd><code>memoryPoolAssigner</code> - the MemoryPoolAssigner for memory allocation.</dd>
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<h4>write</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;write&#8203;(<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>&nbsp;key,
java.lang.Object&nbsp;element)
throws <a href="../../../../common/exception/BlockWriteException.html" title="class in org.apache.nemo.common.exception">BlockWriteException</a></pre>
<div class="block">Writes an element to non-committed block.
Invariant: This should not be invoked after this block is committed.
Invariant: This method does not support concurrent write.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Block.html#write(K,java.lang.Object)">write</a></code>&nbsp;in interface&nbsp;<code><a href="Block.html" title="interface in org.apache.nemo.runtime.executor.data.block">Block</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a> extends java.io.Serializable&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - the key.</dd>
<dd><code>element</code> - the element to write.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../common/exception/BlockWriteException.html" title="class in org.apache.nemo.common.exception">BlockWriteException</a></code> - for any error occurred while trying to write a block.</dd>
</dl>
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<h4>writePartitions</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;writePartitions&#8203;(java.lang.Iterable&lt;<a href="../partition/NonSerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition">NonSerializedPartition</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>&gt;&gt;&nbsp;partitions)
throws <a href="../../../../common/exception/BlockWriteException.html" title="class in org.apache.nemo.common.exception">BlockWriteException</a></pre>
<div class="block">Stores <a href="../partition/NonSerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>NonSerializedPartition</code></a>s to this block.
Invariant: This should not be invoked after this block is committed.
Invariant: This method does not support concurrent write.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Block.html#writePartitions(java.lang.Iterable)">writePartitions</a></code>&nbsp;in interface&nbsp;<code><a href="Block.html" title="interface in org.apache.nemo.runtime.executor.data.block">Block</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a> extends java.io.Serializable&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>partitions</code> - the <a href="../partition/NonSerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>NonSerializedPartition</code></a>s to store.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../common/exception/BlockWriteException.html" title="class in org.apache.nemo.common.exception">BlockWriteException</a></code> - for any error occurred while trying to write a block.</dd>
</dl>
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<h4>writeSerializedPartitions</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;writeSerializedPartitions&#8203;(java.lang.Iterable&lt;<a href="../partition/SerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition">SerializedPartition</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>&gt;&gt;&nbsp;partitions)
throws <a href="../../../../common/exception/BlockWriteException.html" title="class in org.apache.nemo.common.exception">BlockWriteException</a></pre>
<div class="block">Stores <a href="../partition/SerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>SerializedPartition</code></a>s to this block.
Because all data in this block is stored in a non-serialized form,
the data in these partitions have to be deserialized.
Invariant: This should not be invoked after this block is committed.
Invariant: This method does not support concurrent write.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Block.html#writeSerializedPartitions(java.lang.Iterable)">writeSerializedPartitions</a></code>&nbsp;in interface&nbsp;<code><a href="Block.html" title="interface in org.apache.nemo.runtime.executor.data.block">Block</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a> extends java.io.Serializable&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>partitions</code> - the <a href="../partition/SerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>SerializedPartition</code></a>s to store.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../common/exception/BlockWriteException.html" title="class in org.apache.nemo.common.exception">BlockWriteException</a></code> - for any error occurred while trying to write a block.</dd>
</dl>
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<h4>readPartitions</h4>
<pre class="methodSignature">public&nbsp;java.lang.Iterable&lt;<a href="../partition/NonSerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition">NonSerializedPartition</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>&gt;&gt;&nbsp;readPartitions&#8203;(<a href="../../../../common/KeyRange.html" title="interface in org.apache.nemo.common">KeyRange</a>&nbsp;keyRange)
throws <a href="../../../../common/exception/BlockFetchException.html" title="class in org.apache.nemo.common.exception">BlockFetchException</a></pre>
<div class="block">Retrieves the <a href="../partition/NonSerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>NonSerializedPartition</code></a>s in a specific hash range from this block.
Invariant: This should not be invoked before this block is committed.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Block.html#readPartitions(org.apache.nemo.common.KeyRange)">readPartitions</a></code>&nbsp;in interface&nbsp;<code><a href="Block.html" title="interface in org.apache.nemo.runtime.executor.data.block">Block</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a> extends java.io.Serializable&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>keyRange</code> - the hash range to retrieve.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an iterable of <a href="../partition/NonSerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>NonSerializedPartition</code></a>s.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../common/exception/BlockFetchException.html" title="class in org.apache.nemo.common.exception">BlockFetchException</a></code> - for any error occurred while trying to fetch a block.</dd>
</dl>
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<h4>readSerializedPartitions</h4>
<pre class="methodSignature">public&nbsp;java.lang.Iterable&lt;<a href="../partition/SerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition">SerializedPartition</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>&gt;&gt;&nbsp;readSerializedPartitions&#8203;(<a href="../../../../common/KeyRange.html" title="interface in org.apache.nemo.common">KeyRange</a>&nbsp;keyRange)
throws <a href="../../../../common/exception/BlockFetchException.html" title="class in org.apache.nemo.common.exception">BlockFetchException</a></pre>
<div class="block">Retrieves the <a href="../partition/SerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>SerializedPartition</code></a>s in a specific hash range.
Because the data is stored in a non-serialized form, it have to be serialized.
Invariant: This should not be invoked before this block is committed.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Block.html#readSerializedPartitions(org.apache.nemo.common.KeyRange)">readSerializedPartitions</a></code>&nbsp;in interface&nbsp;<code><a href="Block.html" title="interface in org.apache.nemo.runtime.executor.data.block">Block</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a> extends java.io.Serializable&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>keyRange</code> - the key range to retrieve.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an iterable of <a href="../partition/SerializedPartition.html" title="class in org.apache.nemo.runtime.executor.data.partition"><code>SerializedPartition</code></a>s.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../common/exception/BlockFetchException.html" title="class in org.apache.nemo.common.exception">BlockFetchException</a></code> - for any error occurred while trying to fetch a block.</dd>
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<h4>commit</h4>
<pre class="methodSignature">public&nbsp;java.util.Optional&lt;java.util.Map&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a>,&#8203;java.lang.Long&gt;&gt;&nbsp;commit()</pre>
<div class="block">Commits this block to prevent further write.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Block.html#commit()">commit</a></code>&nbsp;in interface&nbsp;<code><a href="Block.html" title="interface in org.apache.nemo.runtime.executor.data.block">Block</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a> extends java.io.Serializable&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>empty optional because the data is not serialized.</dd>
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<h4>commitPartitions</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;commitPartitions()
throws <a href="../../../../common/exception/BlockWriteException.html" title="class in org.apache.nemo.common.exception">BlockWriteException</a></pre>
<div class="block">Commits all un-committed partitions.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Block.html#commitPartitions()">commitPartitions</a></code>&nbsp;in interface&nbsp;<code><a href="Block.html" title="interface in org.apache.nemo.runtime.executor.data.block">Block</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a> extends java.io.Serializable&gt;</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../common/exception/BlockWriteException.html" title="class in org.apache.nemo.common.exception">BlockWriteException</a></code></dd>
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<h4>getId</h4>
<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;getId()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Block.html#getId()">getId</a></code>&nbsp;in interface&nbsp;<code><a href="Block.html" title="interface in org.apache.nemo.runtime.executor.data.block">Block</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a> extends java.io.Serializable&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the ID of this block.</dd>
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<h4>isCommitted</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;isCommitted()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Block.html#isCommitted()">isCommitted</a></code>&nbsp;in interface&nbsp;<code><a href="Block.html" title="interface in org.apache.nemo.runtime.executor.data.block">Block</a>&lt;<a href="NonSerializedMemoryBlock.html" title="type parameter in NonSerializedMemoryBlock">K</a> extends java.io.Serializable&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether this block is committed or not.</dd>
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