public class PredictionMapper extends SharingMapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.LongWritable,RecommendedItemsWritable,Pair<OpenIntObjectHashMap<Vector>,OpenIntObjectHashMap<Vector>>>
MultithreadedSharingMapper
.Constructor and Description |
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PredictionMapper() |
Modifier and Type | Method and Description |
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protected void |
map(org.apache.hadoop.io.IntWritable userIndexWritable,
VectorWritable ratingsWritable,
org.apache.hadoop.mapreduce.Mapper.Context ctx) |
protected void |
setup(org.apache.hadoop.mapreduce.Mapper.Context ctx) |
protected void setup(org.apache.hadoop.mapreduce.Mapper.Context ctx) throws IOException, InterruptedException
setup
in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.LongWritable,RecommendedItemsWritable>
IOException
InterruptedException
protected void map(org.apache.hadoop.io.IntWritable userIndexWritable, VectorWritable ratingsWritable, org.apache.hadoop.mapreduce.Mapper.Context ctx) throws IOException, InterruptedException
map
in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.LongWritable,RecommendedItemsWritable>
IOException
InterruptedException
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