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package eu.dnetlib.data.transform;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.Ordering;
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import eu.dnetlib.data.proto.OafProtos.Oaf;
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import eu.dnetlib.data.proto.SpecialTrustProtos.SpecialTrust;
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import org.apache.commons.lang3.StringUtils;
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public class TrustOrdering extends Ordering<Oaf> {
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@Override
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public int compare(Oaf left, Oaf right) {
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String lTrust = left.getDataInfo().getTrust();
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String rTrust = right.getDataInfo().getTrust();
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if (lTrust.equals(rTrust)) return 0;
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if (lTrust.equals(SpecialTrust.INFINITE.toString())) return 1;
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if (rTrust.equals(SpecialTrust.INFINITE.toString())) return -1;
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if (lTrust.equals(SpecialTrust.NEUTRAL.toString())) return 1;
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if (rTrust.equals(SpecialTrust.NEUTRAL.toString())) return -1;
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return Float.compare(
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Float.parseFloat(StringUtils.isBlank(lTrust) ? "0.9" : lTrust),
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Float.parseFloat(StringUtils.isBlank(rTrust) ? "0.9" : rTrust));
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}
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public static ImmutableList<Oaf> sort(Iterable<Oaf> entities) {
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return new TrustOrdering().immutableSortedCopy(entities);
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}
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}
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