Hadoop倒排索引程序

package example; import java.io.*; import org.apache.hadoop.io.*; /*public class Posting implements WritableComparable<Posting> { private Text one; private IntWritable two; public void set(Text first, IntWritable second) { one = first; two = second; } public void set(String first, int second) { one.set(first); two.set(second); } public Posting() { set(new Text(), new IntWritable()); } public Posting(Text first, IntWritable second) { set(first, second); } public Posting(String first, int second) { set(first, second); } public Text getFirst() { return one; } public IntWritable getSecond() { return two; } @Override public void write(DataOutput out) throws IOException { one.write(out); two.write(out); } @Override public void readFields(DataInput in) throws IOException { one.readFields(in); two.readFields(in); } @Override public int hashCode() { return one.hashCode(); } @Override public boolean equals(Object o) { if (o instanceof Posting) { Posting tp = (Posting)o; return one.equals(tp.one); } return false; } @Override public String toString() { return "(" + one + ", " + two + ")"; } @Override public int compareTo(Posting tp) { int cmp = one.compareTo(tp.one); if (cmp != 0) { return cmp; } return two.compareTo(tp.two); } }*/ public class Posting implements WritableComparable<Posting> { private Text one; private Text two; public void set(Text first, Text second) { one = first; two = second; } public void set(String first, String second) { one.set(first); two.set(second); } public Posting() { set(new Text(), new Text()); } public Posting(Text first, Text second) { set(first, second); } public Posting(String first, String second) { set(first, second); } public Text getFirst() { return one; } public Text getSecond() { return two; } @Override public void write(DataOutput out) throws IOException { one.write(out); two.write(out); } @Override public void readFields(DataInput in) throws IOException { one.readFields(in); two.readFields(in); } @Override public int hashCode() { return one.hashCode(); } @Override public boolean equals(Object o) { if (o instanceof Posting) { Posting tp = (Posting)o; return one.equals(tp.one); } return false; } @Override public String toString() { return "(" + one + ", " + two + ")"; } @Override public int compareTo(Posting tp) { int cmp = one.compareTo(tp.one); if (cmp != 0) { return cmp; } return two.compareTo(tp.two); } }