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java/src/main/java/org/softwareheritage/graph/SwhLabel.java
- This file was added.
| package org.softwareheritage.graph; | |||||
| /** | |||||
| * Wrapper class to store the edge labels of the graph. Labels can be encoded in a single long type. | |||||
| * | |||||
| * @author The Software Heritage developers | |||||
| */ | |||||
| public class SwhLabel { | |||||
| public long filenameId; | |||||
| public int permission; | |||||
| public SwhLabel(long filenameId, int permission) | |||||
| { | |||||
| this.filenameId = filenameId; | |||||
| this.permission = permission; | |||||
| } | |||||
| public static SwhLabel fromEncoded(long labelEncoded) | |||||
| { | |||||
| long filenameId = labelEncoded >> SwhPerm.TOTAL_NB_BITS; | |||||
| int permission = (int) (labelEncoded & ((1 << SwhPerm.TOTAL_NB_BITS) - 1)); | |||||
| return new SwhLabel(filenameId, permission); | |||||
| } | |||||
| public static long toEncoded(SwhLabel label) | |||||
| { | |||||
| long labelEncoded = (label.filenameId << SwhPerm.TOTAL_NB_BITS) + label.permission; | |||||
| return labelEncoded; | |||||
| } | |||||
| } | |||||
| No newline at end of file | |||||