Module datarush.library
Package com.pervasive.datarush.sequences.scalar

Class DoubleTokenList

java.lang.Object
com.pervasive.datarush.sequences.scalar.AbstractScalarTokenSequence
com.pervasive.datarush.sequences.scalar.DoubleTokenList
All Implemented Interfaces:
MutableTokenSequence, DoubleTokenSequence, MutableDoubleTokenSequence, MutableScalarTokenSequence, NumericTokenSequence, ScalarTokenAppendable, ScalarTokenSequence, TokenAppendable, TokenSequence, ScalarTyped, TokenTyped
public final class DoubleTokenList extends AbstractScalarTokenSequence implements MutableDoubleTokenSequence
Primary implementation of MutableDoubleTokenSequence.
See Also:

  • Constructor Details

    • DoubleTokenList

      public DoubleTokenList(int capacity)
      Create an empty array
      Parameters:
      capacity - the initial capacity.

  • Method Details

    • getType

      public ScalarTokenType getType()
      Description copied from interface: ScalarTokenSequence
      Gets the data type of the tokens in the sequence.
      Specified by:
      getType in interface ScalarTokenSequence
      Specified by:
      getType in interface ScalarTyped
      Specified by:
      getType in interface TokenTyped
      Returns:
      the token data type

    • getBigDecimal

      public BigDecimal getBigDecimal(int i)
      Description copied from interface: NumericTokenSequence
      Gets the value of the specified token as a BigDecimal.
      Specified by:
      getBigDecimal in interface NumericTokenSequence
      Parameters:
      i - the position of the token in the sequence
      Returns:
      the value of the token. If the token is null valued, null is returned.

    • getDouble

      public double getDouble(int i)
      Description copied from interface: DoubleTokenSequence
      Gets the value of the specified token as a double.
      Specified by:
      getDouble in interface DoubleTokenSequence
      Parameters:
      i - the position of the token in the sequence
      Returns:
      the value of the token. If the token is null valued, Double.NaN is returned.

    • getToken

      public DoubleValued getToken(int index)
      Description copied from interface: TokenSequence
      Gets the value at the specified position.
      Specified by:
      getToken in interface DoubleTokenSequence
      Specified by:
      getToken in interface NumericTokenSequence
      Specified by:
      getToken in interface ScalarTokenSequence
      Specified by:
      getToken in interface TokenSequence
      Parameters:
      index - the index of the token
      Returns:
      the value

    • getTokenSetter

      public DoubleSettable getTokenSetter(int index)
      Description copied from interface: MutableTokenSequence
      Returns a mutator for the given index.
      Specified by:
      getTokenSetter in interface MutableDoubleTokenSequence
      Specified by:
      getTokenSetter in interface MutableScalarTokenSequence
      Specified by:
      getTokenSetter in interface MutableTokenSequence
      Parameters:
      index - the position
      Returns:
      a mutator for the given index.

    • getValues

      public void getValues(int index, double[] values, boolean[] nullFlags, int offset, int length)
      Description copied from interface: DoubleTokenSequence
      Gets the values and null indicators for a range of tokens as doubles.
      Specified by:
      getValues in interface DoubleTokenSequence
      Parameters:
      index - the starting index of the range
      values - an array into which to place element values
      nullFlags - an array into which to place null indicator values
      offset - the starting offset into the target arrays. That is, elements[offset] and nulls[offset] will get the value and null indicator respectively of the token at position start, and so on.
      length - number of tokens to get

    • getValues

      public void getValues(int index, BigDecimal[] values, boolean[] nullFlags, int offset, int length)
      Description copied from interface: NumericTokenSequence
      Gets the values and null indicators for a range of tokens as BigDecimal objects.
      Specified by:
      getValues in interface NumericTokenSequence
      Parameters:
      index - the starting index of the range
      values - an array into which to place element values
      nullFlags - an array into which to place null indicator values
      offset - the starting offset into the target arrays. That is, elements[offset] and nulls[offset] will get the value and null indicator respectively of the token at position start, and so on.
      length - number of tokens to get

    • setNull

      public void setNull(int index)
      Description copied from interface: MutableTokenSequence
      Sets the token at the specified position to be null valued.
      Specified by:
      setNull in interface MutableTokenSequence
      Parameters:
      index - the position of the token in the array

    • setNull

      public void setNull(int start, int length)
      Description copied from interface: MutableTokenSequence
      Sets the tokens in the specified subsequence to be null valued.
      Specified by:
      setNull in interface MutableTokenSequence
      Parameters:
      start - the starting index of the subsequence in the array
      length - the length of the subsequence

    • setDouble

      public void setDouble(int index, double value)
      Sets the token at the specified position to the given double value.
      Specified by:
      setDouble in interface MutableDoubleTokenSequence
      Parameters:
      index - the position of the token in the array
      value - the double value to which to set the token. Passing Double.NaN is equivalent to calling setNull(index).

    • fill

      public void fill(int start, int length, double value)
      Sets the tokens in the specified subsequence to the given double value.
      Parameters:
      start - the starting index of the subsequence in the array
      length - the length of the subsequence
      value - the double value to which to set the tokens. Passing Double.NaN is equivalent to calling setNull(start, length).

    • setZero

      public void setZero(int index)
      Description copied from interface: MutableTokenSequence
      Sets the token at the specified position to be zero valued.
      Specified by:
      setZero in interface MutableTokenSequence
      Parameters:
      index - the position of the token in the array

    • setZero

      public void setZero(int start, int length)
      Description copied from interface: MutableTokenSequence
      Sets the tokens in the specified subsequence to be zero valued.
      Specified by:
      setZero in interface MutableTokenSequence
      Parameters:
      start - the starting index of the subsequence in the array
      length - the length of the subsequence

    • isZero

      public final boolean isZero(int index)
      Description copied from interface: ScalarTokenSequence
      Indicates whether the specified token has a zero value.
      Specified by:
      isZero in interface ScalarTokenSequence
      Parameters:
      index - the index of the token
      Returns:
      true if the element is zero, false otherwise

    • setValue

      public void setValue(int index, TokenValued value)
      Description copied from interface: MutableTokenSequence
      Sets the token at the specified position to the given value.
      Specified by:
      setValue in interface MutableTokenSequence
      Parameters:
      index - the position of the token in the array
      value - the value to which to set the token. This value must be of an appropriate type for the array.

    • fillValue

      public void fillValue(int start, int length, TokenValued value)
      Description copied from interface: MutableTokenSequence
      Sets the tokens in the specified subsequence to the given value.
      Specified by:
      fillValue in interface MutableTokenSequence
      Parameters:
      start - the starting index of the subsequence in the array
      length - the length of the subsequence
      value - the value to which to set the tokens. This value must be of an appropriate type for the array

    • setValues

      public void setValues(int start, TokenSequence values, int offset, int length)
      Description copied from interface: MutableTokenSequence
      Sets the tokens in the specified subsequence of the array to the corresponding values from a subsequence of the given source sequence.
      Specified by:
      setValues in interface MutableTokenSequence
      Parameters:
      start - the starting index of the subsequence in the array
      values - the source sequence. This sequence must be of an appropriate type for the array.
      offset - the starting index in the source sequence. Corresponding values will be taken relative to this position. That is, the value of the token at position offset in values will be assigned to the token at position start, and so on.
      length - the number of tokens to copy

    • append

      public void append(double value)
      Description copied from interface: MutableDoubleTokenSequence
      Appends the specified double to this sequence.
      Specified by:
      append in interface MutableDoubleTokenSequence
      Parameters:
      value - the value to append. If NaN, this is equivalent to appendNull().

    • append

      public void append(double value, int count)
      Description copied from interface: MutableDoubleTokenSequence
      Appends the specified double to this sequence multiple times.
      Specified by:
      append in interface MutableDoubleTokenSequence
      Parameters:
      value - the value to append. If NaN, this is equivalent to appendNull(count).
      count - the number of copies to append.

    • newValueIterator

      public DoubleValuedIterator newValueIterator()
      Description copied from interface: TokenSequence
      Creates an iterator over the non-null values of this sequence. The iterator will automatically be reset as modifications are made to the sequence.
      Specified by:
      newValueIterator in interface DoubleTokenSequence
      Specified by:
      newValueIterator in interface NumericTokenSequence
      Specified by:
      newValueIterator in interface ScalarTokenSequence
      Specified by:
      newValueIterator in interface TokenSequence
      Returns:
      an newly-created iterator over the non-null values of this sequence.