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java.lang.Object org.archive.util.AbstractLongFPSet org.archive.util.fingerprint.MemLongFPSet org.archive.util.fingerprint.LongFPSetCache
public class LongFPSetCache
Like a MemLongFPSet, but with fixed capacity and maximum size. When an add would expand past the maximum size, an old entry is deleted via a clock/counter algorithm.
Field Summary | |
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(package private) long |
sweepHand
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Fields inherited from class org.archive.util.fingerprint.MemLongFPSet |
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slots, values |
Fields inherited from class org.archive.util.AbstractLongFPSet |
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capacityPowerOfTwo, count, EMPTY, loadFactor |
Constructor Summary | |
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LongFPSetCache()
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LongFPSetCache(int capacityPowerOfTwo,
float loadFactor)
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Method Summary | |
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protected void |
makeSpace()
Make additional space to keep the load under the target loadFactor level. |
protected void |
noteAccess(long index)
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Methods inherited from class org.archive.util.fingerprint.MemLongFPSet |
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clearAt, getAt, getSlotState, quickContains, relocate, setAt |
Methods inherited from class org.archive.util.AbstractLongFPSet |
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add, contains, count, remove, removeAt |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.archive.util.fingerprint.LongFPSet |
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add, contains, count, remove |
Field Detail |
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long sweepHand
Constructor Detail |
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public LongFPSetCache()
public LongFPSetCache(int capacityPowerOfTwo, float loadFactor)
Method Detail |
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protected void noteAccess(long index)
protected void makeSpace()
AbstractLongFPSet
makeSpace
in class MemLongFPSet
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