com.aspose.cells

Class AccessCacheOptions

java.lang.Object

com.aspose.cells.AccessCacheOptions

public final class AccessCacheOptions
extends java.lang.Object

Cache options for data access. Can be combined with | operator for multiple options together.

Remarks

For some features, accessing large dataset requires a lot of repeated and complicated operations such as search, calculation, ...etc and those operations will take a lot of extra time. For common situations, all dependent data remains unchanged during the access, so some caches can be built and used to improve the access performance. For this purpose, we provide this API so that user can specify which kind of data access needs to be optimized by possible caching mechanism.

Please note, for different options, different data set may be required to be "read-only". And performance of accessing data depends on many aspects, the use of caching mechanism does not guarantee that performance will be improved. For some situations, such as the dataset to be accessed is small, using cache may cause even more time because caching itself also needs certain extra time.

Field Summary

Fields

Modifier and Type	Field and Description
static int	ALL Apply all possible optimizations for all kinds of data access in the workbook.
static int	CALCULATE_FORMULA Apply possible optimization for calculating formulas.
static int	CELL_DISPLAY Apply possible optimization for getting display-related results of cells(Cell.getDisplayStringValue(), Cell.getStyle(), Cell.getDisplayStyle(), etc.).
static int	CELLS_DATA Apply possible optimization for getting cells' values.
static int	CONDITIONAL_FORMATTING Apply possible optimization for getting formatting result of conditional formattings.
static int	GET_FORMULA Apply possible optimization for getting formulas.
static int	NONE No cache for any data access.
static int	POSITION_AND_SIZE Apply possible optimization for getting object(such as Shape)'s position and size.
static int	SET_FORMULA Apply possible optimization for setting formulas.
static int	VALIDATION Apply possible optimization for getting validation result.

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NONE

public static final int NONE

No cache for any data access.

See Also:

Constant Field Values

ALL

public static final int ALL

Apply all possible optimizations for all kinds of data access in the workbook. All settings and data should not be changed during the optimized access.

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Constant Field Values

POSITION_AND_SIZE

public static final int POSITION_AND_SIZE

Apply possible optimization for getting object(such as Shape)'s position and size. Row height and column width settings should not be changed during the optimized access.

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Constant Field Values

CELLS_DATA

public static final int CELLS_DATA

Apply possible optimization for getting cells' values. Cells data(data and settings of Cell, Row) should not be changed during the optimized access, no new Cell/Row objects should be created either(such as by Cells.get(int,int)).

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Constant Field Values

CELL_DISPLAY

public static final int CELL_DISPLAY

Apply possible optimization for getting display-related results of cells(Cell.getDisplayStringValue(), Cell.getStyle(), Cell.getDisplayStyle(), etc.). Cells data and style-related objects(Cell/Row/Column styles, column width, etc.) should not be changed during the optimized access.

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Constant Field Values

GET_FORMULA

public static final int GET_FORMULA

Apply possible optimization for getting formulas. All data and settings which may affect the formula expression(Worksheet's name, Name's text, table's column, etc.) should not be changed during the optimized access.

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Constant Field Values

SET_FORMULA

public static final int SET_FORMULA

Apply possible optimization for setting formulas. All data and settings which may affect the formula expression(Worksheet's name, Name's text, table's column, etc.) should not be changed during the optimized access.

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Constant Field Values

CALCULATE_FORMULA

public static final int CALCULATE_FORMULA

Apply possible optimization for calculating formulas. Cells data should not be changed during the optimized access, none new objects(Cell, Row, etc.) should be created either(such as by Cells.get(int,int)).

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Constant Field Values

CONDITIONAL_FORMATTING

public static final int CONDITIONAL_FORMATTING

Apply possible optimization for getting formatting result of conditional formattings. All data and settings which may affect the result of conditional formattings(settings of conditional formattings, dependent cell values, etc.) should not be changed during the optimized access.

See Also:

Constant Field Values

VALIDATION

public static final int VALIDATION

Apply possible optimization for getting validation result. All data and settings which may affect the result of validation(settings of the validation, dependent cell values, etc.) should not be changed during the optimized access.

See Also:

Constant Field Values