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java.lang.Object org.apache.lucene.index.NumericDocValues org.apache.lucene.util.LongValues org.apache.lucene.util.packed.PagedMutable
public final class PagedMutable
A PagedMutable
. This class slices data into fixed-size blocks
which have the same number of bits per value. It can be a useful replacement
for PackedInts.Mutable
to store more than 2B values.
Field Summary |
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Fields inherited from class org.apache.lucene.index.NumericDocValues |
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EMPTY |
Constructor Summary | |
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PagedMutable(long size,
int pageSize,
int bitsPerValue,
float acceptableOverheadRatio)
Create a new PagedMutable instance. |
Method Summary | |
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protected long |
baseRamBytesUsed()
|
protected void |
fillPages()
|
long |
get(long index)
Get value at index . |
T |
grow()
Similar to ArrayUtil.grow(long[]) . |
T |
grow(long minSize)
Similar to ArrayUtil.grow(long[], int) . |
protected PackedInts.Mutable |
newMutable(int valueCount,
int bitsPerValue)
|
protected PagedMutable |
newUnfilledCopy(long newSize)
|
long |
ramBytesUsed()
Return the number of bytes used by this object. |
T |
resize(long newSize)
Create a new copy of size newSize based on the content of
this buffer. |
void |
set(long index,
long value)
Set value at index . |
long |
size()
The number of values. |
String |
toString()
|
Methods inherited from class org.apache.lucene.util.LongValues |
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get |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public PagedMutable(long size, int pageSize, int bitsPerValue, float acceptableOverheadRatio)
PagedMutable
instance.
size
- the number of values to store.pageSize
- the number of values per pagebitsPerValue
- the number of bits per valueacceptableOverheadRatio
- an acceptable overhead ratioMethod Detail |
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protected PackedInts.Mutable newMutable(int valueCount, int bitsPerValue)
protected PagedMutable newUnfilledCopy(long newSize)
protected long baseRamBytesUsed()
protected final void fillPages()
public final long size()
public final long get(long index)
LongValues
index
.
get
in class LongValues
public final void set(long index, long value)
index
.
public long ramBytesUsed()
public final T resize(long newSize)
newSize
based on the content of
this buffer. This method is much more efficient than creating a new
instance and copying values one by one.
public final T grow(long minSize)
ArrayUtil.grow(long[], int)
.
public final T grow()
ArrayUtil.grow(long[])
.
public final String toString()
toString
in class Object
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