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

Class StringTokenList

    • Constructor Detail

      • StringTokenList

        public StringTokenList​(int capacity)
        Create a new array of string tokens with the specified number of elements. All elements in the array will initially be null valued.
        Parameters:
        capacity - the number of string tokens in the array

    • Method Detail

      • getString

        public String getString​(int i)
        Description copied from interface: StringTokenSequence
        Gets the value of the specified element as a string.
        Parameters:
        i - the position of the token in the sequence
        Returns:
        the value of the token. If the token is null valued, the empty string is returned.

      • getValues

        public void getValues​(int index,
                      String[] values,
                      boolean[] nullFlags,
                      int offset,
                      int length)
        Description copied from interface: StringTokenSequence
        Gets the values and null indicators for a range of tokens.
        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.
        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.
        Parameters:
        start - the starting index of the subsequence in the array
        length - the length of the subsequence

      • setZero

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

      • isZero

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

      • setString

        public void setString​(int index,
                      String value)
        Sets the token at the specified position to the given string value.
        Parameters:
        index - the position of the token in the array
        value - the string value to which to set the token. Passing null is equivalent to calling setNull(index).

      • fillString

        public void fillString​(int start,
                       int length,
                       String value)
        Sets the tokens in the specified subsequence to the given string value.
        Parameters:
        start - the starting index of the subsequence in the array
        length - the length of the subsequence
        value - the string value to which to set the tokens. Passing null is equivalent to calling setNull(start, length).

      • setValue

        public void setValue​(int position,
                     TokenValued value)
        Description copied from interface: MutableTokenSequence
        Sets the token at the specified position to the given value.
        Parameters:
        position - 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 startIndex,
                      int count,
                      TokenValued value)
        Description copied from interface: MutableTokenSequence
        Sets the tokens in the specified subsequence to the given value.
        Parameters:
        startIndex - the starting index of the subsequence in the array
        count - 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 startIndex,
                      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.
        Parameters:
        startIndex - 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

      • expandValueBuffers

        protected void expandValueBuffers​(int capacity)

      • append

        public void append​(String value)
        Description copied from interface: MutableStringTokenSequence
        Appends the specified string to this sequence.
        Parameters:
        value - the value to append. If null, this is equivalent to appendNull().

      • append

        public void append​(String value,
                   int count)
        Description copied from interface: MutableStringTokenSequence
        Appends the specified string to this sequence multiple times.
        Parameters:
        value - the value to append. If null, this is equivalent to appendNull(count).
        count - the number of copies to append.

      • newValueIterator

        public StringValuedIterator 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.
        Returns:
        an newly-created iterator over the non-null values of this sequence.

      • compareElement

        public final int compareElement​(int index,
                                String value)