Package org.roaringbitmap
Class BitmapContainer
- java.lang.Object
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- org.roaringbitmap.Container
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- org.roaringbitmap.BitmapContainer
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- All Implemented Interfaces:
Externalizable
,Serializable
,Cloneable
,Iterable<Short>
,WordStorage<Container>
public final class BitmapContainer extends Container implements Cloneable
Simple bitset-like container.- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description protected static int
MAX_CAPACITY
static boolean
USE_BRANCHLESS
optimization flag: whether the cardinality of the bitmaps is maintained through branchless operations-
Fields inherited from class org.roaringbitmap.Container
ContainerNames
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Constructor Summary
Constructors Constructor Description BitmapContainer()
Create a bitmap container with all bits set to falseBitmapContainer(int firstOfRun, int lastOfRun)
Create a bitmap container with a run of ones from firstOfRun to lastOfRun.BitmapContainer(long[] newBitmap, int newCardinality)
Create a new container, no copy is made.BitmapContainer(MappeableBitmapContainer bc)
Creates a new non-mappeable container from a mappeable one.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description Container
add(int begin, int end)
Return a new container with all shorts in [begin,end) added using an unsigned interpretation.Container
add(short i)
Add a short to the container.ArrayContainer
and(ArrayContainer value2)
Computes the bitwise AND of this container with another (intersection).Container
and(BitmapContainer value2)
Computes the bitwise AND of this container with another (intersection).Container
and(RunContainer x)
Computes the bitwise AND of this container with another (intersection).int
andCardinality(ArrayContainer value2)
int
andCardinality(BitmapContainer value2)
int
andCardinality(RunContainer x)
Container
andNot(ArrayContainer value2)
Computes the bitwise ANDNOT of this container with another (difference).Container
andNot(BitmapContainer value2)
Computes the bitwise ANDNOT of this container with another (difference).Container
andNot(RunContainer x)
Computes the bitwise ANDNOT of this container with another (difference).protected long
bitValue(short i)
protected int
cardinalityInRange(int start, int end)
void
clear()
Empties the containerBitmapContainer
clone()
protected void
computeCardinality()
Recomputes the cardinality of the bitmap.boolean
contains(int minimum, int supremum)
Checks whether the container contains the entire rangeboolean
contains(short i)
Checks whether the contain contains the provided valueprotected boolean
contains(ArrayContainer arrayContainer)
protected boolean
contains(BitmapContainer bitmapContainer)
protected boolean
contains(RunContainer runContainer)
void
deserialize(DataInput in)
Deserialize (recover) the container.boolean
equals(Object o)
protected void
fillArray(short[] array)
Fill the array with set bitsvoid
fillLeastSignificant16bits(int[] x, int i, int mask)
Fill the least significant 16 bits of the integer array, starting at index i, with the short values from this container.int
first()
Get the first integer held in the containerContainer
flip(short i)
Add a short to the container if it is not present, otherwise remove it.void
forEach(short msb, IntConsumer ic)
Iterate through the values of this container and pass them along to the IntConsumer, using msb as the 16 most significant bits.protected int
getArraySizeInBytes()
Size of the underlying arrayContainerBatchIterator
getBatchIterator()
Gets an iterator to visit the contents of the container in batchesint
getCardinality()
Computes the distinct number of short values in the container.ShortIterator
getReverseShortIterator()
Iterator to visit the short values in the container in descending order.static ShortIterator
getReverseShortIterator(long[] bitmap)
Return a bitmap iterator over this arrayPeekableShortIterator
getShortIterator()
Iterator to visit the short values in the container in ascending order.static PeekableShortIterator
getShortIterator(long[] bitmap)
Return a bitmap iterator over this arrayPeekableShortRankIterator
getShortRankIterator()
Iterator to visit the short values in container and pre-compute ranksint
getSizeInBytes()
Computes an estimate of the memory usage of this container.int
hashCode()
Container
iadd(int begin, int end)
Add all shorts in [begin,end) using an unsigned interpretation.Container
iand(ArrayContainer b2)
Computes the in-place bitwise AND of this container with another (intersection).Container
iand(BitmapContainer b2)
Computes the in-place bitwise AND of this container with another (intersection).Container
iand(RunContainer x)
Computes the in-place bitwise AND of this container with another (intersection).Container
iandNot(ArrayContainer b2)
Computes the in-place bitwise ANDNOT of this container with another (difference).Container
iandNot(BitmapContainer b2)
Computes the in-place bitwise ANDNOT of this container with another (difference).Container
iandNot(RunContainer x)
Computes the in-place bitwise ANDNOT of this container with another (difference).protected Container
ilazyor(ArrayContainer value2)
protected Container
ilazyor(BitmapContainer x)
protected Container
ilazyor(RunContainer x)
Container
inot(int firstOfRange, int lastOfRange)
Computes the in-place bitwise NOT of this container (complement).boolean
intersects(int minimum, int supremum)
Checks if the container intersects with a rangeboolean
intersects(ArrayContainer value2)
Returns true if the current container intersects the other container.boolean
intersects(BitmapContainer value2)
Returns true if the current container intersects the other container.boolean
intersects(RunContainer x)
Returns true if the current container intersects the other container.BitmapContainer
ior(ArrayContainer value2)
Computes the in-place bitwise OR of this container with another (union).Container
ior(BitmapContainer b2)
Computes the in-place bitwise OR of this container with another (union).Container
ior(RunContainer x)
Computes the in-place bitwise OR of this container with another (union).Container
iremove(int begin, int end)
Remove shorts in [begin,end) using an unsigned interpretation.boolean
isEmpty()
Checks whether the container is empty or not.protected boolean
isFull()
Iterator<Short>
iterator()
Container
ixor(ArrayContainer value2)
Computes the in-place bitwise XOR of this container with another (symmetric difference).Container
ixor(BitmapContainer b2)
Computes the in-place bitwise XOR of this container with another (symmetric difference).Container
ixor(RunContainer x)
Computes the in-place bitwise XOR of this container with another (symmetric difference).int
last()
Get the last integer held in the containerprotected Container
lazyor(ArrayContainer value2)
protected Container
lazyor(BitmapContainer x)
protected Container
lazyor(RunContainer x)
Container
limit(int maxcardinality)
Create a new Container containing at most maxcardinality integers.protected void
loadData(ArrayContainer arrayContainer)
int
nextAbsentValue(short fromValue)
Gets the first absent value greater than or equal to the lower bound.int
nextClearBit(int i)
Find the index of the next clear bit greater or equal to i.int
nextSetBit(int i)
Find the index of the next set bit greater or equal to i, returns -1 if none found.int
nextValue(short fromValue)
Gets the first value greater than or equal to the lower bound, or -1 if no such value exists.Container
not(int firstOfRange, int lastOfRange)
Computes the bitwise NOT of this container (complement).int
numberOfRunsAdjustment()
Computes the number of runsint
numberOfRunsLowerBound(int mustNotExceed)
Counts how many runs there is in the bitmap, up to a maximumContainer
or(ArrayContainer value2)
Computes the bitwise OR of this container with another (union).Container
or(BitmapContainer value2)
Computes the bitwise OR of this container with another (union).Container
or(RunContainer x)
Computes the bitwise OR of this container with another (union).int
prevClearBit(int i)
Find the index of the previous clear bit less than or equal to i.int
previousAbsentValue(short fromValue)
Gets the last value less than or equal to the upper bound.int
previousValue(short fromValue)
Gets the last value less than or equal to the upper bound, or -1 if no such value exists.int
prevSetBit(int i)
Find the index of the previous set bit less than or equal to i, returns -1 if none found.int
rank(short lowbits)
Rank returns the number of integers that are smaller or equal to x (Rank(infinity) would be GetCardinality()).void
readExternal(ObjectInput in)
Container
remove(int begin, int end)
Return a new container with all shorts in [begin,end) remove using an unsigned interpretation.Container
remove(short i)
Remove the short from this container.Container
repairAfterLazy()
The output of a lazyOR or lazyIOR might be an invalid container, this should be called on it.Container
runOptimize()
Convert to RunContainers, when the result is smaller.short
select(int j)
Return the jth valuevoid
serialize(DataOutput out)
Serialize the container.int
serializedSizeInBytes()
Report the number of bytes required to serialize this container.protected static int
serializedSizeInBytes(int unusedCardinality)
ArrayContainer
toArrayContainer()
Copies the data to an array containerBitmapContainer
toBitmapContainer()
Convert the current container to a BitmapContainer, if a conversion is needed.LongBuffer
toLongBuffer()
Return the content of this container as a LongBuffer.MappeableContainer
toMappeableContainer()
Convert to a mappeable container.String
toString()
void
trim()
If possible, recover wasted memory.protected void
updateCardinality(int prevOnes, int newOnes)
protected void
writeArray(DataOutput out)
Write just the underlying array.protected void
writeArray(ByteBuffer buffer)
Write just the underlying array.void
writeExternal(ObjectOutput out)
Container
xor(ArrayContainer value2)
Computes the bitwise XOR of this container with another (symmetric difference).Container
xor(BitmapContainer value2)
Computes the bitwise XOR of this container with another (symmetric difference).Container
xor(RunContainer x)
Computes the bitwise XOR of this container with another (symmetric difference).-
Methods inherited from class org.roaringbitmap.Container
and, andCardinality, andNot, assertNonEmpty, contains, getContainerName, iand, iandNot, intersects, ior, ixor, lazyIOR, lazyOR, or, rangeOfOnes, xor, xorCardinality
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Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface java.lang.Iterable
forEach, spliterator
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Field Detail
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MAX_CAPACITY
protected static final int MAX_CAPACITY
- See Also:
- Constant Field Values
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USE_BRANCHLESS
public static final boolean USE_BRANCHLESS
optimization flag: whether the cardinality of the bitmaps is maintained through branchless operations- See Also:
- Constant Field Values
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Constructor Detail
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BitmapContainer
public BitmapContainer()
Create a bitmap container with all bits set to false
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BitmapContainer
public BitmapContainer(int firstOfRun, int lastOfRun)
Create a bitmap container with a run of ones from firstOfRun to lastOfRun. Caller must ensure that the range isn't so small that an ArrayContainer should have been created instead- Parameters:
firstOfRun
- first indexlastOfRun
- last index (range is exclusive)
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BitmapContainer
public BitmapContainer(long[] newBitmap, int newCardinality)
Create a new container, no copy is made.- Parameters:
newBitmap
- contentnewCardinality
- desired cardinality.
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BitmapContainer
public BitmapContainer(MappeableBitmapContainer bc)
Creates a new non-mappeable container from a mappeable one. This copies the data.- Parameters:
bc
- the original container
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Method Detail
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getReverseShortIterator
public static ShortIterator getReverseShortIterator(long[] bitmap)
Return a bitmap iterator over this array- Parameters:
bitmap
- array to be iterated over- Returns:
- an iterator
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getShortIterator
public static PeekableShortIterator getShortIterator(long[] bitmap)
Return a bitmap iterator over this array- Parameters:
bitmap
- array to be iterated over- Returns:
- an iterator
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serializedSizeInBytes
protected static int serializedSizeInBytes(int unusedCardinality)
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add
public Container add(int begin, int end)
Description copied from class:Container
Return a new container with all shorts in [begin,end) added using an unsigned interpretation.
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add
public Container add(short i)
Description copied from class:Container
Add a short to the container. May generate a new container.- Specified by:
add
in interfaceWordStorage<Container>
- Specified by:
add
in classContainer
- Parameters:
i
- short to be added- Returns:
- the new container
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and
public ArrayContainer and(ArrayContainer value2)
Description copied from class:Container
Computes the bitwise AND of this container with another (intersection). This container as well as the provided container are left unaffected.
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and
public Container and(BitmapContainer value2)
Description copied from class:Container
Computes the bitwise AND of this container with another (intersection). This container as well as the provided container are left unaffected.
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and
public Container and(RunContainer x)
Description copied from class:Container
Computes the bitwise AND of this container with another (intersection). This container as well as the provided container are left unaffected.
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andCardinality
public int andCardinality(ArrayContainer value2)
- Specified by:
andCardinality
in classContainer
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andCardinality
public int andCardinality(BitmapContainer value2)
- Specified by:
andCardinality
in classContainer
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andCardinality
public int andCardinality(RunContainer x)
- Specified by:
andCardinality
in classContainer
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andNot
public Container andNot(ArrayContainer value2)
Description copied from class:Container
Computes the bitwise ANDNOT of this container with another (difference). This container as well as the provided container are left unaffected.
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andNot
public Container andNot(BitmapContainer value2)
Description copied from class:Container
Computes the bitwise ANDNOT of this container with another (difference). This container as well as the provided container are left unaffected.
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andNot
public Container andNot(RunContainer x)
Description copied from class:Container
Computes the bitwise ANDNOT of this container with another (difference). This container as well as the provided container are left unaffected.
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clear
public void clear()
Description copied from class:Container
Empties the container
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clone
public BitmapContainer clone()
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isEmpty
public boolean isEmpty()
Description copied from class:Container
Checks whether the container is empty or not.- Specified by:
isEmpty
in interfaceWordStorage<Container>
- Specified by:
isEmpty
in classContainer
- Returns:
- true if the container is empty.
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computeCardinality
protected void computeCardinality()
Recomputes the cardinality of the bitmap.
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cardinalityInRange
protected int cardinalityInRange(int start, int end)
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updateCardinality
protected void updateCardinality(int prevOnes, int newOnes)
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contains
public boolean contains(short i)
Description copied from class:Container
Checks whether the contain contains the provided value
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contains
public boolean contains(int minimum, int supremum)
Description copied from class:Container
Checks whether the container contains the entire range
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contains
protected boolean contains(BitmapContainer bitmapContainer)
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contains
protected boolean contains(RunContainer runContainer)
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contains
protected boolean contains(ArrayContainer arrayContainer)
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bitValue
protected long bitValue(short i)
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deserialize
public void deserialize(DataInput in) throws IOException
Description copied from class:Container
Deserialize (recover) the container.- Specified by:
deserialize
in classContainer
- Parameters:
in
- the DataInput stream- Throws:
IOException
- Signals that an I/O exception has occurred.
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fillArray
protected void fillArray(short[] array)
Fill the array with set bits- Parameters:
array
- container (should be sufficiently large)
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fillLeastSignificant16bits
public void fillLeastSignificant16bits(int[] x, int i, int mask)
Description copied from class:Container
Fill the least significant 16 bits of the integer array, starting at index i, with the short values from this container. The caller is responsible to allocate enough room. The most significant 16 bits of each integer are given by the most significant bits of the provided mask.- Specified by:
fillLeastSignificant16bits
in classContainer
- Parameters:
x
- provided arrayi
- starting indexmask
- indicates most significant bits
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flip
public Container flip(short i)
Description copied from class:Container
Add a short to the container if it is not present, otherwise remove it. May generate a new container.
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getArraySizeInBytes
protected int getArraySizeInBytes()
Description copied from class:Container
Size of the underlying array- Specified by:
getArraySizeInBytes
in classContainer
- Returns:
- size in bytes
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getCardinality
public int getCardinality()
Description copied from class:Container
Computes the distinct number of short values in the container. Can be expected to run in constant time.- Specified by:
getCardinality
in classContainer
- Returns:
- the cardinality
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getReverseShortIterator
public ShortIterator getReverseShortIterator()
Description copied from class:Container
Iterator to visit the short values in the container in descending order.- Specified by:
getReverseShortIterator
in classContainer
- Returns:
- iterator
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getShortIterator
public PeekableShortIterator getShortIterator()
Description copied from class:Container
Iterator to visit the short values in the container in ascending order.- Specified by:
getShortIterator
in classContainer
- Returns:
- iterator
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getShortRankIterator
public PeekableShortRankIterator getShortRankIterator()
Description copied from class:Container
Iterator to visit the short values in container and pre-compute ranks- Specified by:
getShortRankIterator
in classContainer
- Returns:
- iterator
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getBatchIterator
public ContainerBatchIterator getBatchIterator()
Description copied from class:Container
Gets an iterator to visit the contents of the container in batches- Specified by:
getBatchIterator
in classContainer
- Returns:
- iterator
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getSizeInBytes
public int getSizeInBytes()
Description copied from class:Container
Computes an estimate of the memory usage of this container. The estimate is not meant to be exact.- Specified by:
getSizeInBytes
in classContainer
- Returns:
- estimated memory usage in bytes
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iadd
public Container iadd(int begin, int end)
Description copied from class:Container
Add all shorts in [begin,end) using an unsigned interpretation. May generate a new container.
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iand
public Container iand(ArrayContainer b2)
Description copied from class:Container
Computes the in-place bitwise AND of this container with another (intersection). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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iand
public Container iand(BitmapContainer b2)
Description copied from class:Container
Computes the in-place bitwise AND of this container with another (intersection). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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iand
public Container iand(RunContainer x)
Description copied from class:Container
Computes the in-place bitwise AND of this container with another (intersection). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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iandNot
public Container iandNot(ArrayContainer b2)
Description copied from class:Container
Computes the in-place bitwise ANDNOT of this container with another (difference). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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iandNot
public Container iandNot(BitmapContainer b2)
Description copied from class:Container
Computes the in-place bitwise ANDNOT of this container with another (difference). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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iandNot
public Container iandNot(RunContainer x)
Description copied from class:Container
Computes the in-place bitwise ANDNOT of this container with another (difference). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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ilazyor
protected Container ilazyor(ArrayContainer value2)
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ilazyor
protected Container ilazyor(BitmapContainer x)
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ilazyor
protected Container ilazyor(RunContainer x)
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inot
public Container inot(int firstOfRange, int lastOfRange)
Description copied from class:Container
Computes the in-place bitwise NOT of this container (complement). Only those bits within the range are affected. The current container is generally modified. May generate a new container.
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intersects
public boolean intersects(ArrayContainer value2)
Description copied from class:Container
Returns true if the current container intersects the other container.- Specified by:
intersects
in classContainer
- Parameters:
value2
- other container- Returns:
- whether they intersect
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intersects
public boolean intersects(BitmapContainer value2)
Description copied from class:Container
Returns true if the current container intersects the other container.- Specified by:
intersects
in classContainer
- Parameters:
value2
- other container- Returns:
- whether they intersect
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intersects
public boolean intersects(RunContainer x)
Description copied from class:Container
Returns true if the current container intersects the other container.- Specified by:
intersects
in classContainer
- Parameters:
x
- other container- Returns:
- whether they intersect
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intersects
public boolean intersects(int minimum, int supremum)
Description copied from class:Container
Checks if the container intersects with a range- Specified by:
intersects
in classContainer
- Parameters:
minimum
- the inclusive unsigned lower bound of the rangesupremum
- the exclusive unsigned upper bound of the range- Returns:
- true if the container intersects the range
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ior
public BitmapContainer ior(ArrayContainer value2)
Description copied from class:Container
Computes the in-place bitwise OR of this container with another (union). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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ior
public Container ior(BitmapContainer b2)
Description copied from class:Container
Computes the in-place bitwise OR of this container with another (union). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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ior
public Container ior(RunContainer x)
Description copied from class:Container
Computes the in-place bitwise OR of this container with another (union). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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iremove
public Container iremove(int begin, int end)
Description copied from class:Container
Remove shorts in [begin,end) using an unsigned interpretation. May generate a new container.
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ixor
public Container ixor(ArrayContainer value2)
Description copied from class:Container
Computes the in-place bitwise XOR of this container with another (symmetric difference). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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ixor
public Container ixor(BitmapContainer b2)
Description copied from class:Container
Computes the in-place bitwise XOR of this container with another (symmetric difference). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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ixor
public Container ixor(RunContainer x)
Description copied from class:Container
Computes the in-place bitwise XOR of this container with another (symmetric difference). The current container is generally modified, whereas the provided container (x) is unaffected. May generate a new container.
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lazyor
protected Container lazyor(ArrayContainer value2)
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lazyor
protected Container lazyor(BitmapContainer x)
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lazyor
protected Container lazyor(RunContainer x)
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limit
public Container limit(int maxcardinality)
Description copied from class:Container
Create a new Container containing at most maxcardinality integers.
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loadData
protected void loadData(ArrayContainer arrayContainer)
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nextSetBit
public int nextSetBit(int i)
Find the index of the next set bit greater or equal to i, returns -1 if none found.- Parameters:
i
- starting index- Returns:
- index of the next set bit
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nextClearBit
public int nextClearBit(int i)
Find the index of the next clear bit greater or equal to i.- Parameters:
i
- starting index- Returns:
- index of the next clear bit
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not
public Container not(int firstOfRange, int lastOfRange)
Description copied from class:Container
Computes the bitwise NOT of this container (complement). Only those bits within the range are affected. The current container is left unaffected.
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numberOfRunsAdjustment
public int numberOfRunsAdjustment()
Computes the number of runs- Returns:
- the number of runs
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numberOfRunsLowerBound
public int numberOfRunsLowerBound(int mustNotExceed)
Counts how many runs there is in the bitmap, up to a maximum- Parameters:
mustNotExceed
- maximum of runs beyond which counting is pointless- Returns:
- estimated number of courses
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or
public Container or(ArrayContainer value2)
Description copied from class:Container
Computes the bitwise OR of this container with another (union). This container as well as the provided container are left unaffected.
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isFull
protected boolean isFull()
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or
public Container or(BitmapContainer value2)
Description copied from class:Container
Computes the bitwise OR of this container with another (union). This container as well as the provided container are left unaffected.
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or
public Container or(RunContainer x)
Description copied from class:Container
Computes the bitwise OR of this container with another (union). This container as well as the provided container are left unaffected.
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prevSetBit
public int prevSetBit(int i)
Find the index of the previous set bit less than or equal to i, returns -1 if none found.- Parameters:
i
- starting index- Returns:
- index of the previous set bit
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prevClearBit
public int prevClearBit(int i)
Find the index of the previous clear bit less than or equal to i.- Parameters:
i
- starting index- Returns:
- index of the previous clear bit
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rank
public int rank(short lowbits)
Description copied from class:Container
Rank returns the number of integers that are smaller or equal to x (Rank(infinity) would be GetCardinality()).
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readExternal
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
- Specified by:
readExternal
in interfaceExternalizable
- Throws:
IOException
ClassNotFoundException
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remove
public Container remove(int begin, int end)
Description copied from class:Container
Return a new container with all shorts in [begin,end) remove using an unsigned interpretation.
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remove
public Container remove(short i)
Description copied from class:Container
Remove the short from this container. May create a new container.
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repairAfterLazy
public Container repairAfterLazy()
Description copied from class:Container
The output of a lazyOR or lazyIOR might be an invalid container, this should be called on it.- Specified by:
repairAfterLazy
in classContainer
- Returns:
- a new valid container
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runOptimize
public Container runOptimize()
Description copied from class:Container
Convert to RunContainers, when the result is smaller. Overridden by RunContainer to possibility switch from RunContainer to a smaller alternative. Overridden by BitmapContainer with a more efficient approach.- Specified by:
runOptimize
in interfaceWordStorage<Container>
- Specified by:
runOptimize
in classContainer
- Returns:
- the new container
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select
public short select(int j)
Description copied from class:Container
Return the jth value
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serialize
public void serialize(DataOutput out) throws IOException
Description copied from class:Container
Serialize the container.- Specified by:
serialize
in classContainer
- Parameters:
out
- the DataOutput stream- Throws:
IOException
- Signals that an I/O exception has occurred.
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serializedSizeInBytes
public int serializedSizeInBytes()
Description copied from class:Container
Report the number of bytes required to serialize this container.- Specified by:
serializedSizeInBytes
in classContainer
- Returns:
- the size in bytes
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toArrayContainer
public ArrayContainer toArrayContainer()
Copies the data to an array container- Returns:
- the array container
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toLongBuffer
public LongBuffer toLongBuffer()
Return the content of this container as a LongBuffer. This creates a copy and might be relatively slow.- Returns:
- the LongBuffer
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toMappeableContainer
public MappeableContainer toMappeableContainer()
Description copied from class:Container
Convert to a mappeable container.- Specified by:
toMappeableContainer
in classContainer
- Returns:
- the mappeable container
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trim
public void trim()
Description copied from class:Container
If possible, recover wasted memory.
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writeArray
protected void writeArray(DataOutput out) throws IOException
Description copied from class:Container
Write just the underlying array.- Specified by:
writeArray
in classContainer
- Parameters:
out
- output stream- Throws:
IOException
- in case of failure
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writeArray
protected void writeArray(ByteBuffer buffer)
Description copied from class:Container
Write just the underlying array.- Specified by:
writeArray
in classContainer
- Parameters:
buffer
- ByteBuffer to write to
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writeExternal
public void writeExternal(ObjectOutput out) throws IOException
- Specified by:
writeExternal
in interfaceExternalizable
- Throws:
IOException
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xor
public Container xor(ArrayContainer value2)
Description copied from class:Container
Computes the bitwise XOR of this container with another (symmetric difference). This container as well as the provided container are left unaffected.
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xor
public Container xor(BitmapContainer value2)
Description copied from class:Container
Computes the bitwise XOR of this container with another (symmetric difference). This container as well as the provided container are left unaffected.
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xor
public Container xor(RunContainer x)
Description copied from class:Container
Computes the bitwise XOR of this container with another (symmetric difference). This container as well as the provided container are left unaffected.
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forEach
public void forEach(short msb, IntConsumer ic)
Description copied from class:Container
Iterate through the values of this container and pass them along to the IntConsumer, using msb as the 16 most significant bits.
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toBitmapContainer
public BitmapContainer toBitmapContainer()
Description copied from class:Container
Convert the current container to a BitmapContainer, if a conversion is needed. If the container is already a bitmap, the container is returned unchanged.- Specified by:
toBitmapContainer
in classContainer
- Returns:
- a bitmap container
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nextValue
public int nextValue(short fromValue)
Description copied from class:Container
Gets the first value greater than or equal to the lower bound, or -1 if no such value exists.
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previousValue
public int previousValue(short fromValue)
Description copied from class:Container
Gets the last value less than or equal to the upper bound, or -1 if no such value exists.- Specified by:
previousValue
in classContainer
- Parameters:
fromValue
- the upper bound (inclusive)- Returns:
- the previous value
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nextAbsentValue
public int nextAbsentValue(short fromValue)
Description copied from class:Container
Gets the first absent value greater than or equal to the lower bound.- Specified by:
nextAbsentValue
in classContainer
- Parameters:
fromValue
- the lower bound (inclusive)- Returns:
- the next absent value
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previousAbsentValue
public int previousAbsentValue(short fromValue)
Description copied from class:Container
Gets the last value less than or equal to the upper bound.- Specified by:
previousAbsentValue
in classContainer
- Parameters:
fromValue
- the upper bound (inclusive)- Returns:
- the previous absent value
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first
public int first()
Description copied from class:Container
Get the first integer held in the container
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