Package convex.core.data

Class VectorArray<T extends ACell>

java.lang.Object
convex.core.data.AObject
convex.core.data.ACell
convex.core.data.ACountable<E>
convex.core.data.ADataStructure<T>
convex.core.data.ACollection<T>
convex.core.data.ASequence<T>
convex.core.data.AVector<T>
convex.core.data.VectorArray<T>
Type Parameters:
T - Type of vector elements
All Implemented Interfaces:
IAssociative<CVMLong,​T>, IValidated, IWriteable, Iterable<T>, Collection<T>, List<T>
public class VectorArray<T extends ACell> extends AVector<T>
Experimental: implementation of AVector backed by a Java array for temporary usage purposes.

  • Constructor Details

    • VectorArray

      protected VectorArray​(long count, T[] array, int offset, int stride)

  • Method Details

    • listIterator

      public ListIterator<T> listIterator()

    • estimatedEncodingSize

      public int estimatedEncodingSize()
      Description copied from interface: IWriteable
      Estimate the encoded data size for this Cell. Used for quickly sizing buffers. Implementations should try to return a size that is likely to contain the entire object when represented in binary format, including the tag byte.
      Returns:
      The estimated size for the binary representation of this object.

    • get

      public T get​(long i)
      Description copied from class: AVector
      Gets the element at the specified index in this vector
      Specified by:
      get in class AVector<T extends ACell>
      Parameters:
      i - The index of the element to get
      Returns:
      The element value at the specified index

    • appendChunk

      public AVector<T> appendChunk​(VectorLeaf<T> chunkVector)
      Description copied from class: AVector
      Appends a ListVector chunk to this vector. This vector must contain a whole number of chunks
      Specified by:
      appendChunk in class AVector<T extends ACell>
      Parameters:
      chunkVector - A chunk to append. Must be a ListVector of maximum size
      Returns:
      The updated vector, of the same type as this vector @

    • getChunk

      public VectorLeaf<T> getChunk​(long offset)
      Description copied from class: AVector
      Gets the VectorLeaf chunk at a given offset
      Specified by:
      getChunk in class AVector<T extends ACell>
      Parameters:
      offset - Offset into this vector. Must be a valid chunk start position
      Returns:
      The chunk referenced

    • append

      public AVector<T> append​(T value)
      Description copied from class: AVector
      Appends a single element to this vector
      Specified by:
      append in class AVector<T extends ACell>
      Parameters:
      value - Value to append
      Returns:
      Updated vector

    • isPacked

      public boolean isPacked()
      Description copied from class: AVector
      Returns true if this Vector is a single fully packed tree. i.e. a full ListVector or TreeVector.
      Specified by:
      isPacked in class AVector<T extends ACell>
      Returns:
      true is fully packed, flase otherwise

    • anyMatch

      public boolean anyMatch​(Predicate<? super T> pred)
      Specified by:
      anyMatch in class AVector<T extends ACell>

    • allMatch

      public boolean allMatch​(Predicate<? super T> pred)
      Specified by:
      allMatch in class AVector<T extends ACell>

    • map

      public <R extends ACell> AVector<R> map​(Function<? super T,​? extends R> mapper)
      Description copied from class: ACollection
      Maps a function over a collection, applying it to each element in turn.
      Specified by:
      map in class AVector<T extends ACell>
      Type Parameters:
      R - Type of element in resulting collection
      Parameters:
      mapper - Function to map over collection
      Returns:
      Collection after function applied to each element

    • concat

      public <R extends ACell> AVector<R> concat​(ASequence<R> b)
      Description copied from class: ASequence
      Concatenates the elements from another sequence to the end of this sequence. Potentially O(n) in size of resulting sequence
      Specified by:
      concat in class AVector<T extends ACell>
      Parameters:
      b - A sequence of values to concatenate.
      Returns:
      The concatenated sequence, of the same type as this sequence.

    • reduce

      public <R> R reduce​(BiFunction<? super R,​? super T,​? extends R> func, R value)
      Specified by:
      reduce in class AVector<T extends ACell>

    • spliterator

      public Spliterator<T> spliterator​(long position)
      Specified by:
      spliterator in class AVector<T extends ACell>

    • listIterator

      public ListIterator<T> listIterator​(long index)
      Description copied from class: ASequence
      Gets the ListIterator for a long position
      Specified by:
      listIterator in class AVector<T extends ACell>
      Returns:
      ListIterator instance.

    • isCanonical

      public boolean isCanonical()
      Description copied from class: AVector
      Returns true if this vector is in canonical format, i.e. suitable as top-level serialised representation of a vector.
      Specified by:
      isCanonical in class AVector<T extends ACell>
      Returns:
      true if the vector is in canonical format, false otherwise

    • isCVMValue

      public final boolean isCVMValue()
      Description copied from class: ACell
      Returns true if this object represents a first class CVM Value. Sub-structural cells that are not themselves first class values should return false. CVM values might not be in a canonical format, e.g. temporary data structures
      Specified by:
      isCVMValue in class ACell
      Returns:
      true if the object is a CVM Value, false otherwise

    • updateRefs

      public AVector<T> updateRefs​(IRefFunction func)
      Description copied from class: ACell
      Updates all Refs in this object using the given function. The function *must not* change the hash value of Refs, in order to ensure structural integrity of modified data structures. This is a building block for a very sneaky trick that enables use to do a lot of efficient operations on large trees of smart references. Must return the same object if no Refs are altered.
      Specified by:
      updateRefs in class AVector<T extends ACell>
      Parameters:
      func - Ref update function
      Returns:
      Cell with updated Refs

    • commonPrefixLength

      public long commonPrefixLength​(AVector<T> b)
      Description copied from class: AVector
      Computes the length of the longest common prefix of this vector and another vector.
      Specified by:
      commonPrefixLength in class AVector<T extends ACell>
      Parameters:
      b - Any vector
      Returns:
      Length of the longest common prefix

    • next

      public AVector<T> next()
      Description copied from class: ASequence
      Gets the sequence of all elements after the first, or null if no elements remain
      Specified by:
      next in class AVector<T extends ACell>
      Returns:
      Sequence following the first element

    • assoc

      public <R extends ACell> AVector<R> assoc​(long i, R value)
      Description copied from class: ASequence
      Updates a value at the given position in the sequence.
      Specified by:
      assoc in class AVector<T extends ACell>
      Parameters:
      i - Index of element to update
      value - New element value
      Returns:
      Updated sequence, or null if index is out of range

    • longIndexOf

      public long longIndexOf​(Object value)
      Description copied from class: ASequence
      Gets the first long index at which the specified value appears in the the sequence.
      Specified by:
      longIndexOf in class ASequence<T extends ACell>
      Parameters:
      value - Any value which could appear as an element of the sequence.
      Returns:
      Index of the value, or -1 if not found.

    • longLastIndexOf

      public long longLastIndexOf​(Object value)
      Description copied from class: ASequence
      Gets the last long index at which the specified value appears in the the sequence.
      Specified by:
      longLastIndexOf in class ASequence<T extends ACell>
      Parameters:
      value - Any value which could appear as an element of the sequence.
      Returns:
      Index of the value, or -1 if not found.

    • forEach

      public void forEach​(Consumer<? super T> action)
      Specified by:
      forEach in interface Iterable<T extends ACell>
      Specified by:
      forEach in class ASequence<T extends ACell>

    • visitElementRefs

      public void visitElementRefs​(Consumer<Ref<T>> f)
      Description copied from class: ASequence
      Visits all elements in this sequence, calling the specified consumer for each.
      Specified by:
      visitElementRefs in class ASequence<T extends ACell>
      Parameters:
      f - Function to call for each element

    • getElementRef

      public Ref<T> getElementRef​(long index)
      Description copied from class: ASequence
      Gets the element Ref at the specified index
      Specified by:
      getElementRef in class ASequence<T extends ACell>
      Parameters:
      index - Index of element to get
      Returns:
      Ref to element at specified index

    • subVector

      public <R extends ACell> VectorArray<R> subVector​(long start, long length)
      Description copied from class: ASequence
      Gets a vector containing the specified subset of this sequence.
      Specified by:
      subVector in class ASequence<T extends ACell>
      Parameters:
      start - Start index of sub vector
      length - Length of sub vector to produce
      Returns:
      Sub-vector of this sequence

    • encode

      public int encode​(byte[] bs, int pos)
      Description copied from class: ACell
      Writes this Cell's encoding to a byte array, including a tag byte which will be written first
      Specified by:
      encode in interface IWriteable
      Specified by:
      encode in class ACollection<T extends ACell>
      Parameters:
      bs - A byte array to which to write the encoding
      pos - The offset into the byte array
      Returns:
      New position after writing

    • toVector

      public AVector<T> toVector()
      Description copied from class: ACollection
      Converts this collection to a canonical vector of elements
      Specified by:
      toVector in class ACollection<T extends ACell>
      Returns:
      This collection coerced to a vector

    • validateCell

      public void validateCell() throws InvalidDataException
      Description copied from class: ACell
      Validates the local structure and invariants of this cell. Called by validate() super implementation. Should validate directly contained data, but should not validate all other structure of this cell. In particular, should not traverse potentially missing child Refs.
      Specified by:
      validateCell in class ACell
      Throws:
      InvalidDataException - If the Cell is invalid

    • encodeRaw

      public int encodeRaw​(byte[] bs, int pos)
      Description copied from class: ACell
      Writes this Cell's encoding to a byte array, excluding the tag byte
      Specified by:
      encodeRaw in class ACell
      Parameters:
      bs - A byte array to which to write the encoding
      pos - The offset into the byte array
      Returns:
      New position after writing

    • getRefCount

      public int getRefCount()
      Description copied from class: ACell
      Gets the number of Refs contained within this Cell. This number is final / immutable for any given instance. Contained Refs may be either external or embedded.
      Specified by:
      getRefCount in class ACell
      Returns:
      The number of Refs in this Cell

    • toCanonical

      public AVector<T> toCanonical()
      Description copied from class: ACell
      Converts this Cell to its canonical version. Returns this if already canonical
      Specified by:
      toCanonical in class ACell
      Returns:
      Canonical version of Cell

    • copyToArray

      protected <R> void copyToArray​(R[] arr, int offset)
      Description copied from class: ACollection
      Copies the elements of this collection in order to an array at the specified offset
      Specified by:
      copyToArray in class ACollection<T extends ACell>
      Type Parameters:
      R - Type of array elements required