Nutch目录

Nutch索引
NutchField

package org.apache.nutch.indexer;class NutchField implements Writable {    float weight;    List values;}

package org.apache.nutch.metadataclass Metadata {    Map metadata;}

package org.apache.nutch.indexer;class NutchDocument {    byte Version = 2;    Map fields;    Metadata documentMeta;    float weight;}