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| <pre>public class <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.25">InterfaceUtils</a> |
| 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> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.3</dd> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#InterfaceUtils--">InterfaceUtils</a></span>()</code> </td> |
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| <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 <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></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#fromDoublesToBiggestPrimitives-java.lang.Class-double:A-">fromDoublesToBiggestPrimitives</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz, |
| double[] x)</code> |
| <div class="block">Convert double array to primitive array</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#fromDoubleToBiggestNumber-java.lang.Class-double-">fromDoubleToBiggestNumber</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz, |
| double x)</code> |
| <div class="block">Convert double to number</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#getBestFloatInterface-java.lang.Class-">getBestFloatInterface</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</code> |
| <div class="block">Find floating point dataset interface that best fits given types.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#getBestInterface-java.lang.Class-java.lang.Class-">getBestInterface</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> a, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> b)</code> |
| <div class="block">Find dataset interface that best fits given classes.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#getElementalInterface-java.lang.Class-">getElementalInterface</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#getElementClass-java.lang.Class-">getElementClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#getElementsPerItem-java.lang.Class-">getElementsPerItem</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#getInterface-java.lang.Object-">getInterface</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> obj)</code> |
| <div class="block">Get dataset interface from an object.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#getInterfaceFromClass-int-java.lang.Class-">getInterfaceFromClass</a></span>(int elementsPerItem, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> elementClass)</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#getItemBytes-int-java.lang.Class-">getItemBytes</a></span>(int isize, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#getLargestInterface-org.eclipse.january.dataset.Dataset-">getLargestInterface</a></span>(<a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a> a)</code> |
| <div class="block">The largest dataset type suitable for a summation of around a few thousand items without changing from the "kind" |
| of dataset</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#isComplex-java.lang.Class-">isComplex</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#isCompound-java.lang.Class-">isCompound</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</code> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#isElemental-java.lang.Class-">isElemental</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#isElemental-org.eclipse.january.dataset.ILazyDataset-">isElemental</a></span>(<a href="../../../../org/eclipse/january/dataset/ILazyDataset.html" title="interface in org.eclipse.january.dataset">ILazyDataset</a> a)</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#isElementSupported-java.lang.Class-">isElementSupported</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? 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>> clazz)</code> </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#isFloating-java.lang.Class-">isFloating</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</code> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#isFloating-org.eclipse.january.dataset.ILazyDataset-">isFloating</a></span>(<a href="../../../../org/eclipse/january/dataset/ILazyDataset.html" title="interface in org.eclipse.january.dataset">ILazyDataset</a> a)</code> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#isInteger-java.lang.Class-">isInteger</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</code> </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#isInteger-org.eclipse.january.dataset.ILazyDataset-">isInteger</a></span>(<a href="../../../../org/eclipse/january/dataset/ILazyDataset.html" title="interface in org.eclipse.january.dataset">ILazyDataset</a> a)</code> </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#isNumerical-java.lang.Class-">isNumerical</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</code> </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/january/dataset/InterfaceUtils.html#toBiggestNumber-java.lang.Class-java.lang.Number-">toBiggestNumber</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> x)</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="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#equals-java.lang.Object-" title="class or interface in java.lang">equals</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#hashCode--" title="class or interface in java.lang">hashCode</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#toString--" title="class or interface in java.lang">toString</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> |
| </ul> |
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| <h3>Constructor Detail</h3> |
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| <h4>InterfaceUtils</h4> |
| <pre>public <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.25">InterfaceUtils</a>()</pre> |
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| <pre>public static boolean <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.141">isElementSupported</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? 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>> clazz)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if supported as an element class (note, Object is not supported)</dd> |
| </dl> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.149">getElementClass</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - dataset class</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>(boxed) class of constituent element</dd> |
| </dl> |
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| <a name="getInterface-java.lang.Object-"> |
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| <h4>getInterface</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.160">getInterface</a>(<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> obj)</pre> |
| <div class="block">Get dataset interface from an object. The following are supported: Java Number objects, Apache common math Complex |
| objects, Java arrays and lists</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>obj</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>dataset interface</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getInterfaceFromClass-int-java.lang.Class-"> |
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| <h4>getInterfaceFromClass</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.207">getInterfaceFromClass</a>(int elementsPerItem, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> elementClass)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>elementsPerItem</code> - </dd> |
| <dd><code>elementClass</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>dataset interface</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getElementalInterface-java.lang.Class-"> |
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| <h4>getElementalInterface</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.222">getElementalInterface</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - dataset interface</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>elemental dataset interface available for given dataset interface</dd> |
| </dl> |
| </li> |
| </ul> |
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| <pre>public static boolean <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.230">isElemental</a>(<a href="../../../../org/eclipse/january/dataset/ILazyDataset.html" title="interface in org.eclipse.january.dataset">ILazyDataset</a> a)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>a</code> - dataset</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if dataset is not compound or complex</dd> |
| </dl> |
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| <h4>isElemental</h4> |
| <pre>public static boolean <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.238">isElemental</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if dataset interface is not compound or complex</dd> |
| </dl> |
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| <pre>public static boolean <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.246">isCompound</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if dataset interface is compound (not complex)</dd> |
| </dl> |
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| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>a</code> - dataset</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if dataset has integer elements</dd> |
| </dl> |
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| <pre>public static boolean <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.262">isFloating</a>(<a href="../../../../org/eclipse/january/dataset/ILazyDataset.html" title="interface in org.eclipse.january.dataset">ILazyDataset</a> a)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>a</code> - dataset</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if dataset has floating point elements</dd> |
| </dl> |
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| <pre>public static boolean <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.270">isInteger</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if dataset interface has integer elements</dd> |
| </dl> |
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| <pre>public static boolean <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.279">isFloating</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if dataset interface has floating point elements</dd> |
| </dl> |
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| <pre>public static boolean <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.296">isComplex</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if dataset interface has complex items</dd> |
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| <pre>public static boolean <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.304">isNumerical</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if dataset interface has numerical elements</dd> |
| </dl> |
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| <pre>public static int <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.313">getElementsPerItem</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>number of elements per item</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getBestInterface-java.lang.Class-java.lang.Class-"> |
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| <h4>getBestInterface</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.334">getBestInterface</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> a, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> b)</pre> |
| <div class="block">Find dataset interface that best fits given classes. The best class takes into account complex and array datasets</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>a</code> - first dataset class</dd> |
| <dd><code>b</code> - second dataset class</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>best dataset interface</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getLargestInterface-org.eclipse.january.dataset.Dataset-"> |
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| <h4>getLargestInterface</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.395">getLargestInterface</a>(<a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a> a)</pre> |
| <div class="block">The largest dataset type suitable for a summation of around a few thousand items without changing from the "kind" |
| of dataset</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>otype</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>largest dataset type available for given dataset type</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getBestFloatInterface-java.lang.Class-"> |
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| <h4>getBestFloatInterface</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.422">getBestFloatInterface</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</pre> |
| <div class="block">Find floating point dataset interface that best fits given types. The best type takes into account complex and array |
| datasets</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - old dataset class</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>best dataset interface</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getItemBytes-int-java.lang.Class-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getItemBytes</h4> |
| <pre>public static int <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.437">getItemBytes</a>(int isize, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>isize</code> - number of elements in an item</dd> |
| <dd><code>dtype</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>length of single item in bytes</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="fromDoublesToBiggestPrimitives-java.lang.Class-double:A-"> |
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| </a> |
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| <h4>fromDoublesToBiggestPrimitives</h4> |
| <pre>public static <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> <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.449">fromDoublesToBiggestPrimitives</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz, |
| double[] x)</pre> |
| <div class="block">Convert double array to primitive array</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - dataset interface</dd> |
| <dd><code>x</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>biggest native primitive array if integer. Return null if not interface is not numerical</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="fromDoubleToBiggestNumber-java.lang.Class-double-"> |
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| <h4>fromDoubleToBiggestNumber</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.481">fromDoubleToBiggestNumber</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz, |
| double x)</pre> |
| <div class="block">Convert double to number</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - dataset interface</dd> |
| <dd><code>x</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>biggest number if integer. Return null if not interface is not numerical</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toBiggestNumber-java.lang.Class-java.lang.Number-"> |
| <!-- --> |
| </a> |
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| <h4>toBiggestNumber</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> <a href="../../../../src-html/org/eclipse/january/dataset/InterfaceUtils.html#line.501">toBiggestNumber</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../org/eclipse/january/dataset/Dataset.html" title="interface in org.eclipse.january.dataset">Dataset</a>> clazz, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</a> x)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - dataset interface</dd> |
| <dd><code>x</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>biggest native primitive if integer</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.3</dd> |
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