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| <pre>private static class <span class="typeNameLabel">ImmutableBitSet.Closure</span> |
| extends java.lang.Object</pre> |
| <div class="block">Setup equivalence Sets for each position. If i and j are equivalent then |
| they will have the same equivalence Set. The algorithm computes the |
| closure relation at each position for the position wrt to positions |
| greater than it. Once a closure is computed for a position, the closure |
| Set is set on all its descendants. So the closure computation bubbles up |
| from lower positions and the final equivalence Set is propagated down |
| from the lowest element in the Set.</div> |
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| <td class="colFirst"><code>private java.util.SortedMap<java.lang.Integer,​<a href="ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#closure">closure</a></span></code></th> |
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| <td class="colFirst"><code>private java.util.SortedMap<java.lang.Integer,​<a href="ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equivalence">equivalence</a></span></code></th> |
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| <td class="colFirst"><code>private <a href="ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#computeClosure(int)">computeClosure</a></span>​(int pos)</code></th> |
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| <pre>private java.util.SortedMap<java.lang.Integer,​<a href="ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> equivalence</pre> |
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| <pre>private final java.util.SortedMap<java.lang.Integer,​<a href="ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> closure</pre> |
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| <h4>Closure</h4> |
| <pre>Closure​(java.util.SortedMap<java.lang.Integer,​<a href="ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> equivalence)</pre> |
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| <pre class="methodSignature">private <a href="ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> computeClosure​(int pos)</pre> |
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