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class="header"> +<div class="subTitle">org.apache.arrow.vector</div> +<h2 title="Class AllocationHelper" class="title">Class AllocationHelper</h2> +</div> +<div class="contentContainer"> +<ul class="inheritance"> +<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">java.lang.Object</a></li> +<li> +<ul class="inheritance"> +<li>org.apache.arrow.vector.AllocationHelper</li> +</ul> +</li> +</ul> +<div class="description"> +<ul class="blockList"> +<li class="blockList"> +<hr> +<br> +<pre>public class <span class="typeNameLabel">AllocationHelper</span> +extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">Object</a></pre> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ======== CONSTRUCTOR SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.summary"> +<!-- --> +</a> +<h3>Constructor Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> +<caption><span>Constructors</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colOne" scope="col">Constructor and Description</th> +</tr> +<tr class="altColor"> +<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/AllocationHelper.html#AllocationHelper--">AllocationHelper</a></span>()</code> </td> +</tr> +</table> +</li> +</ul> +<!-- ========== METHOD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.summary"> +<!-- --> +</a> +<h3>Method Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> +<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static 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="colLast" scope="col">Method and Description</th> +</tr> +<tr id="i0" class="altColor"> +<td class="colFirst"><code>static void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/AllocationHelper.html#allocate-org.apache.arrow.vector.ValueVector-int-int-">allocate</a></span>(<a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a> v, + int valueCount, + int bytesPerValue)</code> </td> +</tr> +<tr id="i1" class="rowColor"> +<td class="colFirst"><code>static void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/AllocationHelper.html#allocate-org.apache.arrow.vector.ValueVector-int-int-int-">allocate</a></span>(<a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a> v, + int valueCount, + int bytesPerValue, + int repeatedPerTop)</code> </td> +</tr> +<tr id="i2" class="altColor"> +<td class="colFirst"><code>static void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/AllocationHelper.html#allocateNew-org.apache.arrow.vector.ValueVector-int-">allocateNew</a></span>(<a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a> v, + int valueCount)</code> +<div class="block">Allocates the exact amount if v is fixed width, otherwise falls back to dynamic allocation</div> +</td> +</tr> +<tr id="i3" class="rowColor"> +<td class="colFirst"><code>static void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/AllocationHelper.html#allocatePrecomputedChildCount-org.apache.arrow.vector.ValueVector-int-int-int-">allocatePrecomputedChildCount</a></span>(<a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a> v, + int valueCount, + int bytesPerValue, + int childValCount)</code> </td> +</tr> +</table> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> +<!-- --> +</a> +<h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/7/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/7/docs/api/java/lang/Object.html?is-external=true#clone--"; title="class or interface in java.lang">clone</a>, 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class="blockList"> +<h4>AllocationHelper</h4> +<pre>public AllocationHelper()</pre> +</li> +</ul> +</li> +</ul> +<!-- ============ METHOD DETAIL ========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.detail"> +<!-- --> +</a> +<h3>Method Detail</h3> +<a name="allocate-org.apache.arrow.vector.ValueVector-int-int-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>allocate</h4> +<pre>public static void allocate(<a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a> v, + int valueCount, + int bytesPerValue)</pre> +</li> +</ul> +<a name="allocatePrecomputedChildCount-org.apache.arrow.vector.ValueVector-int-int-int-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>allocatePrecomputedChildCount</h4> +<pre>public static void allocatePrecomputedChildCount(<a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a> v, + int valueCount, + int bytesPerValue, + int childValCount)</pre> +</li> +</ul> +<a name="allocate-org.apache.arrow.vector.ValueVector-int-int-int-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>allocate</h4> +<pre>public static void allocate(<a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a> v, + int valueCount, + int bytesPerValue, + int repeatedPerTop)</pre> +</li> +</ul> +<a name="allocateNew-org.apache.arrow.vector.ValueVector-int-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>allocateNew</h4> +<pre>public static void allocateNew(<a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a> v, + int valueCount)</pre> +<div class="block">Allocates the exact amount if v is fixed width, otherwise falls back to dynamic allocation</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>v</code> - value vector we are trying to allocate</dd> +<dd><code>valueCount</code> - size we are trying to allocate</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/memory/OutOfMemoryException.html" title="class in org.apache.arrow.memory">OutOfMemoryException</a></code> - if it can't allocate the memory</dd> +</dl> +</li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> +<a name="navbar.bottom.firstrow"> +<!-- --> +</a> +<ul class="navList" title="Navigation"> +<li><a href="../../../../overview-summary.html">Overview</a></li> +<li><a href="package-summary.html">Package</a></li> +<li 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class="blockList"> +<li class="blockList"> +<dl> +<dt>All Implemented Interfaces:</dt> +<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true"; title="class or interface in java.io">Closeable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true"; title="class or interface in java.lang">AutoCloseable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true"; title="class or interface in java.lang">Iterable</a><<a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a>>, <a href="../../../../org/apache/arrow/vector/BufferBacked.html" title="interface in org.apache.arrow.vector">BufferBacked</a>, <a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a></dd> +</dl> +<dl> +<dt>Direct Known Subclasses:</dt> +<dd><a href="../../../../org/apache/arrow/vector/BigIntVector.html" title="class in org.apache.arrow.vector">BigIntVector</a>, <a href="../../../../org/apache/arrow/vector/BitVector.html" title="class in org.apache.arrow.vector">BitVector</a>, <a href="../../../../org/apache/arrow/vector/DateDayVector.html" title="class in org.apache.arrow.vector">DateDayVector</a>, <a href="../../../../org/apache/arrow/vector/DateMilliVector.html" title="class in org.apache.arrow.vector">DateMilliVector</a>, <a href="../../../../org/apache/arrow/vector/DecimalVector.html" title="class in org.apache.arrow.vector">DecimalVector</a>, <a href="../../../../org/apache/arrow/vector/Float4Vector.html" title="class in org.apache.arrow.vector">Float4Vector</a>, <a href="../../../../org/apache/arrow/vector/Float8Vector.html" title="class in org.apache.arrow.vector">Float8Vector</a>, <a href="../../../../org/apache/arrow/vector/IntervalDayVector.html" title="class in org.apache.arrow.vector">IntervalDayVector< /a>, <a 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.apache.arrow.vector">VarCharVector</a></dd> +</dl> +<hr> +<br> +<pre>public abstract class <span class="typeNameLabel">BaseDataValueVector</span> +extends <a href="../../../../org/apache/arrow/vector/BaseValueVector.html" title="class in org.apache.arrow.vector">BaseValueVector</a> +implements <a href="../../../../org/apache/arrow/vector/BufferBacked.html" title="interface in org.apache.arrow.vector">BufferBacked</a></pre> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ======== NESTED CLASS SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="nested.class.summary"> +<!-- --> +</a> +<h3>Nested Class Summary</h3> +<ul class="blockList"> +<li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.arrow.vector.BaseValueVector"> +<!-- --> +</a> +<h3>Nested classes/interfaces inherited from class org.apache.arrow.vector.<a href="../../../../org/apache/arrow/vector/BaseValueVector.html" title="class in org.apache.arrow.vector">BaseValueVector</a></h3> +<code><a href="../../../../org/apache/arrow/vector/BaseValueVector.BaseAccessor.html" title="class in org.apache.arrow.vector">BaseValueVector.BaseAccessor</a>, <a href="../../../../org/apache/arrow/vector/BaseValueVector.BaseMutator.html" title="class in org.apache.arrow.vector">BaseValueVector.BaseMutator</a></code></li> +</ul> +<ul class="blockList"> +<li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.arrow.vector.ValueVector"> +<!-- --> +</a> +<h3>Nested classes/interfaces inherited from interface org.apache.arrow.vector.<a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a></h3> +<code><a href="../../../../org/apache/arrow/vector/ValueVector.Accessor.html" title="interface in org.apache.arrow.vector">ValueVector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/ValueVector.Mutator.html" title="interface in 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</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="colLast" scope="col">Method and Description</th> +</tr> +<tr id="i0" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#clear--">clear</a></span>()</code> +<div class="block">Release the underlying ArrowBuf and reset the ValueVector to empty.</div> +</td> +</tr> +<tr id="i1" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#close--">close</a></span>()</code> +<div class="block">Alternative to clear().</div> +</td> +</tr> +<tr id="i2" class="altColor"> +<td class="colFirst"><code><a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#getBuffer--">getBuffer</a></span>()</code> </td> +</tr> +<tr id="i3" class="rowColor"> +<td class="colFirst"><code><a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a>[]</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#getBuffers-boolean-">getBuffers</a></span>(boolean clear)</code> +<div class="block">Return the underlying buffers associated with this vector.</div> +</td> +</tr> +<tr id="i4" class="altColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#getBufferSize--">getBufferSize</a></span>()</code> +<div class="block">Returns the number of bytes that is used by this vector instance.</div> +</td> +</tr> +<tr id="i5" class="rowColor"> +<td class="colFirst"><code><a href="../../../../org/apache/arrow/vector/util/TransferPair.html" title="interface in org.apache.arrow.vector.util">TransferPair</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#getTransferPair-java.lang.String-org.apache.arrow.memory.BufferAllocator-org.apache.arrow.vector.util.CallBack-">getTransferPair</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true"; title="class or interface in java.lang">String</a> ref, + <a href="../../../../org/apache/arrow/memory/BufferAllocator.html" title="interface in org.apache.arrow.memory">BufferAllocator</a> allocator, + <a href="../../../../org/apache/arrow/vector/util/CallBack.html" title="interface in org.apache.arrow.vector.util">CallBack</a> callBack)</code> </td> +</tr> +<tr id="i6" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#load-org.apache.arrow.vector.schema.ArrowFieldNode-io.netty.buffer.ArrowBuf-">load</a></span>(<a href="../../../../org/apache/arrow/vector/schema/ArrowFieldNode.html" title="class in org.apache.arrow.vector.schema">ArrowFieldNode</a> fieldNode, + <a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a> data)</code> </td> +</tr> +<tr id="i7" class="rowColor"> +<td class="colFirst"><code>static void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#load-org.apache.arrow.vector.schema.ArrowFieldNode-java.util.List-java.util.List-">load</a></span>(<a href="../../../../org/apache/arrow/vector/schema/ArrowFieldNode.html" title="class in org.apache.arrow.vector.schema">ArrowFieldNode</a> fieldNode, + <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../org/apache/arrow/vector/BufferBacked.html" title="interface in org.apache.arrow.vector">BufferBacked</a>> vectors, + <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a>> buffers)</code> </td> +</tr> +<tr id="i8" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#reset--">reset</a></span>()</code> +<div class="block">This method has a similar effect of allocateNew() without actually clearing and reallocating + the value vector.</div> +</td> +</tr> +<tr id="i9" class="rowColor"> +<td class="colFirst"><code>static void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#truncateBufferBasedOnSize-java.util.List-int-int-">truncateBufferBasedOnSize</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a>> buffers, + int bufferIndex, + int byteSize)</code> </td> +</tr> +<tr id="i10" class="altColor"> +<td class="colFirst"><code><a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#unLoad--">unLoad</a></span>()</code> </td> +</tr> +<tr id="i11" class="rowColor"> +<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseDataValueVector.html#unload-java.util.List-">unload</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../org/apache/arrow/vector/BufferBacked.html" title="interface in org.apache.arrow.vector">BufferBacked</a>> vectors)</code> </td> +</tr> 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class="blockList"> +<h4>truncateBufferBasedOnSize</h4> +<pre>public static void truncateBufferBasedOnSize(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a>> buffers, + int bufferIndex, + int byteSize)</pre> +</li> +</ul> +<a name="unload-java.util.List-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>unload</h4> +<pre>public static <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a>> unload(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../org/apache/arrow/vector/BufferBacked.html" title="interface in org.apache.arrow.vector">BufferBacked</a>> vectors)</pre> +</li> +</ul> +<a name="clear--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>clear</h4> +<pre>public void clear()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/arrow/vector/ValueVector.html#clear--">ValueVector</a></code></span></div> +<div class="block">Release the underlying ArrowBuf and reset the ValueVector to empty.</div> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/vector/ValueVector.html#clear--">clear</a></code> in interface <code><a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a></code></dd> +<dt><span class="overrideSpecifyLabel">Overrides:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/vector/BaseValueVector.html#clear--">clear</a></code> in class <code><a href="../../../../org/apache/arrow/vector/BaseValueVector.html" title="class in org.apache.arrow.vector">BaseValueVector</a></code></dd> +</dl> +</li> +</ul> +<a name="close--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>close</h4> +<pre>public void close()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/arrow/vector/ValueVector.html#close--">ValueVector</a></code></span></div> +<div class="block">Alternative to clear(). Allows use as an AutoCloseable in try-with-resources.</div> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true#close--"; title="class or interface in java.io">close</a></code> in interface <code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true"; title="class or interface in java.io">Closeable</a></code></dd> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true#close--"; title="class or interface in java.lang">close</a></code> in interface <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true"; title="class or interface in java.lang">AutoCloseable</a></code></dd> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/vector/ValueVector.html#close--">close</a></code> in interface <code><a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a></code></dd> +<dt><span class="overrideSpecifyLabel">Overrides:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/vector/BaseValueVector.html#close--">close</a></code> in class <code><a href="../../../../org/apache/arrow/vector/BaseValueVector.html" title="class in org.apache.arrow.vector">BaseValueVector</a></code></dd> +</dl> +</li> +</ul> +<a name="getTransferPair-java.lang.String-org.apache.arrow.memory.BufferAllocator-org.apache.arrow.vector.util.CallBack-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getTransferPair</h4> +<pre>public <a href="../../../../org/apache/arrow/vector/util/TransferPair.html" title="interface in org.apache.arrow.vector.util">TransferPair</a> getTransferPair(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true"; title="class or interface in java.lang">String</a> ref, + <a href="../../../../org/apache/arrow/memory/BufferAllocator.html" title="interface in org.apache.arrow.memory">BufferAllocator</a> allocator, + <a href="../../../../org/apache/arrow/vector/util/CallBack.html" title="interface in org.apache.arrow.vector.util">CallBack</a> callBack)</pre> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/vector/ValueVector.html#getTransferPair-java.lang.String-org.apache.arrow.memory.BufferAllocator-org.apache.arrow.vector.util.CallBack-">getTransferPair</a></code> in interface <code><a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a></code></dd> +</dl> +</li> +</ul> +<a name="getBuffers-boolean-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getBuffers</h4> +<pre>public <a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a>[] getBuffers(boolean clear)</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/arrow/vector/ValueVector.html#getBuffers-boolean-">ValueVector</a></code></span></div> +<div class="block">Return the underlying buffers associated with this vector. Note that this doesn't impact the reference counts for + this buffer so it only should be used for in-context access. Also note that this buffer changes regularly thus + external classes shouldn't hold a reference to it (unless they change it).</div> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/vector/ValueVector.html#getBuffers-boolean-">getBuffers</a></code> in interface <code><a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a></code></dd> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>clear</code> - Whether to clear vector before returning; the buffers will still be refcounted; + but the returned array will be the only reference to them</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>The underlying <a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer"><code>buffers</code></a> that is used by this vector instance.</dd> +</dl> +</li> +</ul> +<a name="getBufferSize--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getBufferSize</h4> +<pre>public int getBufferSize()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/arrow/vector/ValueVector.html#getBufferSize--">ValueVector</a></code></span></div> +<div class="block">Returns the number of bytes that is used by this vector instance.</div> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/vector/ValueVector.html#getBufferSize--">getBufferSize</a></code> in interface <code><a href="../../../../org/apache/arrow/vector/ValueVector.html" title="interface in org.apache.arrow.vector">ValueVector</a></code></dd> +</dl> +</li> +</ul> +<a name="getBuffer--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getBuffer</h4> +<pre>public <a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a> getBuffer()</pre> +</li> +</ul> +<a name="load-org.apache.arrow.vector.schema.ArrowFieldNode-io.netty.buffer.ArrowBuf-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>load</h4> +<pre>public void load(<a href="../../../../org/apache/arrow/vector/schema/ArrowFieldNode.html" title="class in org.apache.arrow.vector.schema">ArrowFieldNode</a> fieldNode, + <a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a> data)</pre> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/vector/BufferBacked.html#load-org.apache.arrow.vector.schema.ArrowFieldNode-io.netty.buffer.ArrowBuf-">load</a></code> in interface <code><a href="../../../../org/apache/arrow/vector/BufferBacked.html" title="interface in org.apache.arrow.vector">BufferBacked</a></code></dd> +</dl> +</li> +</ul> +<a name="unLoad--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>unLoad</h4> +<pre>public <a href="../../../../io/netty/buffer/ArrowBuf.html" title="class in io.netty.buffer">ArrowBuf</a> unLoad()</pre> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/vector/BufferBacked.html#unLoad--">unLoad</a></code> in interface <code><a href="../../../../org/apache/arrow/vector/BufferBacked.html" title="interface in org.apache.arrow.vector">BufferBacked</a></code></dd> +</dl> +</li> +</ul> +<a name="reset--"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>reset</h4> +<pre>public void reset()</pre> +<div class="block">This method has a similar effect of allocateNew() without actually clearing and reallocating + the value vector. The purpose is to move the value vector to a "mutate" state</div> +</li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> +<a name="navbar.bottom.firstrow"> +<!-- --> +</a> +<ul class="navList" title="Navigation"> +<li><a href="../../../../overview-summary.html">Overview</a></li> +<li><a href="package-summary.html">Package</a></li> +<li class="navBarCell1Rev">Class</li> +<li><a href="class-use/BaseDataValueVector.html">Use</a></li> +<li><a href="package-tree.html">Tree</a></li> +<li><a href="../../../../deprecated-list.html">Deprecated</a></li> +<li><a href="../../../../index-all.html">Index</a></li> +<li><a href="../../../../help-doc.html">Help</a></li> +</ul> +</div> +<div class="subNav"> +<ul class="navList"> +<li><a href="../../../../org/apache/arrow/vector/AllocationHelper.html" title="class in org.apache.arrow.vector"><span class="typeNameLink">Prev Class</span></a></li> +<li><a href="../../../../org/apache/arrow/vector/BaseValueVector.html" title="class in org.apache.arrow.vector"><span class="typeNameLink">Next Class</span></a></li> +</ul> +<ul class="navList"> +<li><a href="../../../../index.html?org/apache/arrow/vector/BaseDataValueVector.html" target="_top">Frames</a></li> +<li><a href="BaseDataValueVector.html" target="_top">No Frames</a></li> +</ul> +<ul class="navList" id="allclasses_navbar_bottom"> +<li><a href="../../../../allclasses-noframe.html">All Classes</a></li> +</ul> +<div> +<script type="text/javascript"><!-- + allClassesLink = document.getElementById("allclasses_navbar_bottom"); + if(window==top) { + allClassesLink.style.display = "block"; + } + else { + allClassesLink.style.display = "none"; + } + //--> +</script> +</div> +<div> +<ul class="subNavList"> +<li>Summary: </li> +<li><a href="#nested.classes.inherited.from.class.org.apache.arrow.vector.BaseValueVector">Nested</a> | </li> +<li><a href="#field.summary">Field</a> | </li> +<li><a href="#constructor.summary">Constr</a> | </li> +<li><a href="#method.summary">Method</a></li> +</ul> +<ul class="subNavList"> +<li>Detail: </li> +<li><a href="#field.detail">Field</a> | </li> +<li><a href="#constructor.detail">Constr</a> | </li> +<li><a href="#method.detail">Method</a></li> +</ul> +</div> +<a name="skip.navbar.bottom"> +<!-- --> +</a></div> +<!-- ======== END OF BOTTOM NAVBAR ======= --> +<p class="legalCopy"><small>Copyright © 2017 <a href="https://www.apache.org/";>The Apache Software Foundation</a>. All Rights Reserved.</small></p> +</body> +</html> http://git-wip-us.apache.org/repos/asf/arrow-site/blob/355ede33/docs/java/org/apache/arrow/vector/BaseValueVector.BaseAccessor.html ---------------------------------------------------------------------- diff --git a/docs/java/org/apache/arrow/vector/BaseValueVector.BaseAccessor.html b/docs/java/org/apache/arrow/vector/BaseValueVector.BaseAccessor.html new file mode 100644 index 0000000..dd31a49 --- /dev/null +++ b/docs/java/org/apache/arrow/vector/BaseValueVector.BaseAccessor.html @@ -0,0 +1,324 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<!-- NewPage --> +<html lang="en"> +<head> +<!-- Generated by javadoc (1.8.0_121) on Sun Apr 23 17:49:08 EDT 2017 --> +<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>BaseValueVector.BaseAccessor (Apache Arrow Java Root POM 0.2.1-SNAPSHOT API)</title> +<meta name="date" content="2017-04-23"> +<link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style"> +<script type="text/javascript" src="../../../../script.js"></script> +</head> +<body> +<script type="text/javascript"><!-- + try { + if (location.href.indexOf('is-external=true') == -1) { + parent.document.title="BaseValueVector.BaseAccessor (Apache Arrow Java Root POM 0.2.1-SNAPSHOT API)"; + } + } + catch(err) { + } +//--> +var methods = {"i0":10,"i1":10}; +var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]}; +var altColor = "altColor"; +var rowColor = "rowColor"; +var tableTab = "tableTab"; +var activeTableTab = "activeTableTab"; +</script> +<noscript> +<div>JavaScript is disabled on your browser.</div> +</noscript> +<!-- ========= START OF TOP NAVBAR ======= --> +<div class="topNav"><a name="navbar.top"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> +<a 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+<!-- --> +</a></div> +<!-- ========= END OF TOP NAVBAR ========= --> +<!-- ======== START OF CLASS DATA ======== --> +<div class="header"> +<div class="subTitle">org.apache.arrow.vector</div> +<h2 title="Class BaseValueVector.BaseAccessor" class="title">Class BaseValueVector.BaseAccessor</h2> +</div> +<div class="contentContainer"> +<ul class="inheritance"> +<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">java.lang.Object</a></li> +<li> +<ul class="inheritance"> +<li>org.apache.arrow.vector.BaseValueVector.BaseAccessor</li> +</ul> +</li> +</ul> +<div class="description"> +<ul class="blockList"> +<li class="blockList"> +<dl> +<dt>All Implemented Interfaces:</dt> +<dd><a href="../../../../org/apache/arrow/vector/ValueVector.Accessor.html" title="interface in org.apache.arrow.vector">ValueVector.Accessor</a></dd> +</dl> +<dl> +<dt>Direct Known Subclasses:</dt> +<dd><a href="../../../../org/apache/arrow/vector/complex/BaseRepeatedValueVector.BaseRepeatedAccessor.html" title="class in org.apache.arrow.vector.complex">BaseRepeatedValueVector.BaseRepeatedAccessor</a>, <a href="../../../../org/apache/arrow/vector/BigIntVector.Accessor.html" title="class in org.apache.arrow.vector">BigIntVector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/BitVector.Accessor.html" title="class in org.apache.arrow.vector">BitVector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/DateDayVector.Accessor.html" title="class in org.apache.arrow.vector">DateDayVector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/DateMilliVector.Accessor.html" title="class in org.apache.arrow.vector">DateMilliVector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/DecimalVector.Accessor.html" title="class in org.apache.arrow.vector">DecimalVector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/complex/FixedSizeListVector.Accessor .html" title="class in org.apache.arrow.vector.complex">FixedSizeListVector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/Float4Vector.Accessor.html" title="class in org.apache.arrow.vector">Float4Vector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/Float8Vector.Accessor.html" title="class in org.apache.arrow.vector">Float8Vector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/IntervalDayVector.Accessor.html" title="class in org.apache.arrow.vector">IntervalDayVector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/IntervalYearVector.Accessor.html" title="class in org.apache.arrow.vector">IntervalYearVector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/IntVector.Accessor.html" title="class in org.apache.arrow.vector">IntVector.Accessor</a>, <a href="../../../../org/apache/arrow/vector/complex/MapVector.Accessor.html" title="class in org.apache.arrow.vector.complex">MapVector.Accessor</a>, <a href="../../../../org/apache/arr 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href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">Object</a> +implements <a href="../../../../org/apache/arrow/vector/ValueVector.Accessor.html" title="interface in org.apache.arrow.vector">ValueVector.Accessor</a></pre> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ======== CONSTRUCTOR SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.summary"> +<!-- --> +</a> +<h3>Constructor Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> +<caption><span>Constructors</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier</th> +<th class="colLast" scope="col">Constructor and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected </code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseValueVector.BaseAccessor.html#BaseAccessor--">BaseAccessor</a></span>()</code> </td> +</tr> +</table> +</li> +</ul> +<!-- ========== METHOD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.summary"> +<!-- --> +</a> +<h3>Method Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> +<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="colLast" scope="col">Method and Description</th> +</tr> +<tr id="i0" class="altColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseValueVector.BaseAccessor.html#getNullCount--">getNullCount</a></span>()</code> +<div class="block">Returns the number of null values</div> +</td> +</tr> +<tr id="i1" class="rowColor"> +<td class="colFirst"><code>boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/BaseValueVector.BaseAccessor.html#isNull-int-">isNull</a></span>(int index)</code> +<div class="block">Returns true if the value at the given index is null, false otherwise.</div> +</td> +</tr> +</table> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> +<!-- --> +</a> +<h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/7/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/7/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/7/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/7/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/7/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/7/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/7/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/7/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/7/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/7/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/7/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/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-"; title="class or interface in java.lang">wait</a></code></li> +</ul> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.org.apache.arrow.vector.ValueVector.Accessor"> +<!-- --> +</a> +<h3>Methods inherited from interface org.apache.arrow.vector.<a 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+<a name="isNull-int-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>isNull</h4> +<pre>public boolean isNull(int index)</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/arrow/vector/ValueVector.Accessor.html#isNull-int-">ValueVector.Accessor</a></code></span></div> +<div class="block">Returns true if the value at the given index is null, false otherwise.</div> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/vector/ValueVector.Accessor.html#isNull-int-">isNull</a></code> in interface <code><a href="../../../../org/apache/arrow/vector/ValueVector.Accessor.html" title="interface in org.apache.arrow.vector">ValueVector.Accessor</a></code></dd> +</dl> +</li> +</ul> +<a name="getNullCount--"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>getNullCount</h4> +<pre>public int getNullCount()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/arrow/vector/ValueVector.Accessor.html#getNullCount--">ValueVector.Accessor</a></code></span></div> +<div class="block">Returns the number of null values</div> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../org/apache/arrow/vector/ValueVector.Accessor.html#getNullCount--">getNullCount</a></code> in interface <code><a href="../../../../org/apache/arrow/vector/ValueVector.Accessor.html" title="interface in org.apache.arrow.vector">ValueVector.Accessor</a></code></dd> +</dl> +</li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation 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