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26600
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sandro.lab
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package eu.dnetlib.data.mapreduce.util;
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import java.util.Comparator;
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28094
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claudio.at
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import eu.dnetlib.data.proto.FieldTypeProtos.Qualifier;
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26600
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sandro.lab
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public class LicenseComparator implements Comparator<Qualifier> {
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@Override
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public int compare(Qualifier left, Qualifier right) {
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if (left == null && right == null) return 0;
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if (left == null) return 1;
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if (right == null) return -1;
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String lClass = left.getClassid();
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String rClass = right.getClassid();
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if (lClass.equals(rClass)) return 0;
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if (lClass.equals("OPEN")) return -1;
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if (rClass.equals("OPEN")) return 1;
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if (lClass.equals("6MONTHS")) return -1;
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if (rClass.equals("6MONTHS")) return 1;
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if (lClass.equals("12MONTHS")) return -1;
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if (rClass.equals("12MONTHS")) return 1;
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if (lClass.equals("EMBARGO")) return -1;
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if (rClass.equals("EMBARGO")) return 1;
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if (lClass.equals("RESTRICTED")) return -1;
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if (rClass.equals("RESTRICTED")) return 1;
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if (lClass.equals("CLOSED")) return -1;
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if (rClass.equals("CLOSED")) return 1;
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if (lClass.equals("UNKNOWN")) return -1;
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if (rClass.equals("UNKNOWN")) return 1;
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// Else (but unlikely), lexicographical ordering will do.
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return Float.compare(Float.parseFloat(lClass), Float.parseFloat(rClass));
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}
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}
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