Package org.apache.lucene.util.fst
Class OnHeapFSTStore
java.lang.Object
org.apache.lucene.util.fst.OnHeapFSTStore
- All Implemented Interfaces:
Accountable
,FSTStore
Provides storage of finite state machine (FST), using byte array or byte store allocated on heap.
- WARNING: This API is experimental and might change in incompatible ways in the next release.
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Field Summary
Fields inherited from interface org.apache.lucene.util.Accountable
NULL_ACCOUNTABLE
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
long
Return the memory usage of this object in bytes.long
size()
void
writeTo
(DataOutput out) Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.apache.lucene.util.Accountable
getChildResources
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Constructor Details
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OnHeapFSTStore
public OnHeapFSTStore(int maxBlockBits)
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Method Details
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init
- Specified by:
init
in interfaceFSTStore
- Throws:
IOException
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size
public long size() -
ramBytesUsed
public long ramBytesUsed()Description copied from interface:Accountable
Return the memory usage of this object in bytes. Negative values are illegal.- Specified by:
ramBytesUsed
in interfaceAccountable
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getReverseBytesReader
- Specified by:
getReverseBytesReader
in interfaceFSTStore
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writeTo
- Specified by:
writeTo
in interfaceFSTStore
- Throws:
IOException
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