/** * Returns the object at row # row * * @param row the row number * @return the object at row # row. if no such object exists - returns null. */ public Object getObject(int row) { if (elements.containsKey(row)) { return elements.get(row); } else { return SparseDefaultValues.getDefaultObject(); } }
/** * If the item at pos is a Number, return its short value. Otherwise if the item is a char[] or * any other type of Object, convert the item to a String and return its short value. * * @param row the row number * @return the short value of the item at row number row. If no such value exists returns a value * signifying the position is empty, as defined by SparseShortColumn. */ public short getShort(int row) { Object obj = elements.get(row); if (obj != null && isDataNumeric(row)) { return SparseShortColumn.toShort(obj); } return (short) SparseDefaultValues.getDefaultInt(); }
/** * If the item at pos is a Number, return its int value. Otherwise if the item is a char[] or any * other type of Object, convert the item to a String and return its int value. * * @param row the row number * @return the int value of the item at row # row. If no such value exists returns a value * signifying the position is empty, as defined by SparseIntColumn. */ public int getInt(int row) { Object obj = elements.get(row); if (obj != null && isDataNumeric(row)) { return SparseIntColumn.toInt(obj); } return SparseDefaultValues.getDefaultInt(); }
/** * If the item at pos is a Number, return its long value. Otherwise if the item is a char[] or any * other type of Object, convert the item to a String and return its long value. * * @param row the row number * @return the long value of the item at row # row. If no such value exists returns a value * signifying the position is empty, as defined by SparseLongColumn. */ public long getLong(int row) { Object obj = elements.get(row); if (obj != null && isDataNumeric(row)) { return SparseLongColumn.toLong(obj); } return (long) SparseDefaultValues.getDefaultInt(); }
/** * If the item at pos is a Number, return its float value. Otherwise if the item is a char[] or * any other type of Object, convert the item to a String and return its float value. * * @param row the row number * @return the float value of the item at row # row. if no such item exists or if the data is not * numeric - returns a value signifying the position is empty, as defined by * SparseFloatColumn. */ public float getFloat(int row) { Object obj = elements.get(row); if (obj != null && isDataNumeric(row)) { return SparseFloatColumn.toFloat(obj); } return (float) SparseDefaultValues.getDefaultDouble(); }
/** * If the item at pos is a Number, return its double value. Otherwise if the item is a char[] or * any other type of Object, convert the item to a String and return its double value by calling * Double.parseDouble() * * @param row the row number * @return the double value of the item at row # row. if no such item exists returns a value * signifying the position is empty, as defined by SparseDoubleColumn. */ public double getDouble(int row) { Object obj = elements.get(row); if (obj != null && isDataNumeric(row)) { return SparseDoubleColumn.toDouble(obj); } return SparseDefaultValues.getDefaultDouble(); }
/** * Retrun the value at row #<code>row</code> as a char. * * @param row the row number * @return the item at row as a char, if no such item exists return a value signifying the * position is empty, as defined by SparseCharColumn. */ public char getChar(int row) { Object obj = elements.get(row); if (obj != null) { return SparseCharColumn.toChar(obj); } return SparseDefaultValues.getDefaultChar(); }
/** * Returns the item at pos as a boolean. If the item is a Boolean, return its boolean value, * otherwise construct a new Boolean by calling the toString() method on the item and return its * boolean value. * * @param row the row number * @return the item as pos as a boolean value. If no such item exists returns false. */ public boolean getBoolean(int row) { Object obj = elements.get(row); if (obj != null) { return SparseBooleanColumn.toBoolean(obj); } return SparseDefaultValues.getDefaultBoolean(); }
/** * If the object at row # row is a byte array, returns the first item in the array. else - returns * a representation of this object as a bytes array. * * @param row the row number */ public byte getByte(int row) { Object obj = elements.get(row); if (obj != null && isDataNumeric(row)) { return SparseByteColumn.toByte(obj); } return SparseDefaultValues.getDefaultByte(); }
/** Returns the internal representation of this column. */ public Object getInternal() { int max_index = -1; Object[] internal = null; int[] keys = elements.keys(); for (int i = 0; i < keys.length; i++) { if (keys[i] > max_index) { max_index = keys[i]; } } internal = new Object[max_index + 1]; for (int i = 0; i < max_index + 1; i++) { internal[i] = SparseDefaultValues.getDefaultObject(); } for (int i = 0; i < keys.length; i++) { internal[keys[i]] = elements.get(keys[i]); } return internal; }