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java.lang.Object com.sun.labs.minion.indexer.partition.PartitionManager.Merger
public class PartitionManager.Merger
A threadable class used for merging a list of partitions.
Field Summary | |
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protected DiskPartition |
newDP
The new disk partition resulting from the merge. |
protected int |
newPart
The new partition created in the merge. |
protected java.lang.Thread |
parent
The thread that instantiated us. |
protected java.util.List<DelMap> |
preDelMaps
The list of delmaps for the partitions. |
protected ReadableBuffer[] |
preMaps
The deletion bitmaps for the partitions at startup. |
protected java.util.List<DiskPartition> |
toMerge
The list of partitions that we wish to merge. |
Constructor Summary | |
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PartitionManager.Merger(java.util.List<DiskPartition> l,
FileLock localMergeLock)
Instantiates a merger for the given list of partitions. |
Method Summary | |
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DiskPartition |
merge()
Merges. |
void |
run()
Does the merge of the partitions. |
java.lang.String |
toString()
|
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected DiskPartition newDP
protected java.util.List<DiskPartition> toMerge
protected java.util.List<DelMap> preDelMaps
protected ReadableBuffer[] preMaps
protected java.lang.Thread parent
protected int newPart
Constructor Detail |
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public PartitionManager.Merger(java.util.List<DiskPartition> l, FileLock localMergeLock)
l
- The list of partitions to merge.localMergeLock
- the lock file to use when releasing the merge
lock.Method Detail |
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public DiskPartition merge()
public void run()
run
in interface java.lang.Runnable
public java.lang.String toString()
toString
in class java.lang.Object
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