26 lines
598 B
Java
26 lines
598 B
Java
package it.cavallium.dbengine.lucene;
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import java.util.Comparator;
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import org.apache.lucene.index.IndexReader;
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public class ArrayIndexComparator implements Comparator<IndexReader> {
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private final Comparator<Object> comp;
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public ArrayIndexComparator(IndexReader[] indexReaders) {
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this.comp = Comparator.comparingInt(reader -> {
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for (int i = 0; i < indexReaders.length; i++) {
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if (indexReaders[i] == reader) {
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return i;
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}
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}
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throw new IllegalStateException();
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});
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}
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@Override
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public int compare(IndexReader o1, IndexReader o2) {
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return comp.compare(o1, o2);
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}
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}
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