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java.lang.Object org.egothor.merger.ConcatLists org.egothor.merger.ConcatListReader
public class ConcatListReader
A ConcatIListReader is a collection (array) of IListReaders. Essentially, this is an array of inverted lists. This class can be implemented as sub-class of ConcatEnums, but we have not got the IListReaders to Enumerations, so it must wait.
Constructor Summary | |
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ConcatListReader(int max_len,
java.lang.String term)
Constructor for the ConcatListReader object |
Method Summary | |
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void |
add(long off,
IListReader ilr)
Add the given inverted list at the given position in this ConcatListReader. |
void |
close()
Close the IListReaders and mark for garbage collection. |
IListItem |
cursor()
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long |
getPostings()
Return the number of postings. |
void |
switchContext()
Description of the Method |
Methods inherited from class org.egothor.merger.ConcatLists |
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getTerm, next, openProx, setTerm, skipTo, uid, weight |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ConcatListReader(int max_len, java.lang.String term)
max_len
- the initial lengthterm
- the termMethod Detail |
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public long getPostings()
getPostings
in interface IListReader
getPostings
in class ConcatLists
public void add(long off, IListReader ilr)
off
- where to addilr
- the inverted list to addpublic void switchContext()
switchContext
in class ConcatLists
public IListItem cursor()
public void close()
close
in interface IListReader
close
in class ConcatLists
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