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<h2 title="Class ArrayUtil" class="title">Class ArrayUtil</h2> |
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<pre>public class <span class="typeNameLabel">ArrayUtil</span> |
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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> |
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/janusgraph/diskstorage/util/ArrayUtil.html#ArrayUtil--">ArrayUtil</a></span>()</code> </td> |
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<td class="colFirst"><code>static int</code></td> |
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/janusgraph/diskstorage/util/ArrayUtil.html#growSpace-int-int-">growSpace</a></span>(int oldCapacity, |
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int minCapacity)</code> |
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<div class="block">Given an old capacity of an array, generate the new capacity that is larger than or equal to minimum required capacity.</div> |
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<h4>ArrayUtil</h4> |
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<pre>public ArrayUtil()</pre> |
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<h4>growSpace</h4> |
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<pre>public static int growSpace(int oldCapacity, |
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int minCapacity)</pre> |
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<div class="block">Given an old capacity of an array, generate the new capacity that is larger than or equal to minimum required capacity. |
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Under most circumstances, it doubles the old capacity. If the old capacity is already larger than half of @{link #MAX_ARRAY_SIZE}, |
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then new capacity will be <a href="../../../../org/janusgraph/diskstorage/util/ArrayUtil.html#MAX_ARRAY_SIZE"><code>MAX_ARRAY_SIZE</code></a>, which is slightly smaller than Integer.MAX_VALUE to avoid |
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Out of Memory error. If the min capacity is smaller than old capacity, then old capacity will be simply returned.</div> |
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<dl> |
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<dt><span class="paramLabel">Parameters:</span></dt> |
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<dd><code>oldCapacity</code> - old capacity</dd> |
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<dd><code>minCapacity</code> - minimum desired capacity</dd> |
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<dt><span class="returnLabel">Returns:</span></dt> |
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<dd>a new capacity that is larger than or equal to minCapacity</dd> |
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<dt><span class="throwsLabel">Throws:</span></dt> |
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<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if minimum required capacity is larger than <a href="../../../../org/janusgraph/diskstorage/util/ArrayUtil.html#MAX_ARRAY_SIZE"><code>MAX_ARRAY_SIZE</code></a>, or minimum |
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required capacity is negative (likely caused by integer overflow)</dd> |
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