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java.lang.Objectorg.apache.mahout.df.data.DescriptorUtils
public class DescriptorUtils
Contains various methods that deal with descriptor strings
Method Summary | |
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static java.lang.String |
generateDescriptor(java.util.List<java.lang.String> tokens)
Generates a valid descriptor string from a list of tokens |
static java.lang.String |
generateDescriptor(java.lang.String description)
Generates a valid descriptor string from a user-friendly representation. for example "3 N I N N 2 C L 5 I" generates "N N N I N N C C L I I I I I". this useful when describing datasets with a large number of attributes |
static Dataset.Attribute[] |
parseDescriptor(java.lang.String descriptor)
Parses a descriptor string and generates the corresponding array of Attributes |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static Dataset.Attribute[] parseDescriptor(java.lang.String descriptor) throws DescriptorException
descriptor
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DescriptorException
- if a bad token is encounteredpublic static java.lang.String generateDescriptor(java.lang.String description) throws DescriptorException
description
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DescriptorException
public static java.lang.String generateDescriptor(java.util.List<java.lang.String> tokens) throws DescriptorException
tokens
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DescriptorException
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