com.cosmian.jna.findex

Class Ffi

java.lang.Object

com.cosmian.jna.findex.Ffi

public final class Ffi
extends Object

Constructor Summary

Constructors

Constructor and Description
Ffi()

Method Summary

Modifier and Type	Method and Description
static void	compact(int numberOfReindexingPhasesBeforeFullSet, MasterKeys masterKeys, byte[] label, FfiWrapper.FetchEntryCallback fetchEntry, FfiWrapper.FetchChainCallback fetchChain, FfiWrapper.FetchAllEntryCallback fetchAllEntry, FfiWrapper.UpdateLinesCallback updateLines, FfiWrapper.ListRemovedLocationsCallback listRemovedLocations)
static String	get_last_error() Return the last error in a String that does not exceed 1023 bytes
static String	get_last_error(int maxLen) Return the last error in a String that does not exceed `max_len` bytes
static void	graph_upsert(MasterKeys masterKeys, byte[] label, HashMap<IndexedValue,Word[]> indexedValuesAndWords, FfiWrapper.FetchEntryCallback fetchEntry, FfiWrapper.UpsertEntryCallback upsertEntry, FfiWrapper.UpsertChainCallback upsertChain)
static List<byte[]>	search(byte[] keyK, byte[] label, Word[] words, int loopIterationLimit, int maxDepth, FfiWrapper.ProgressCallback progress, FfiWrapper.FetchEntryCallback fetchEntry, FfiWrapper.FetchChainCallback fetchChain)
static void	set_error(String error_msg) Set the last error on the native lib
static void	unwrap(int result) If the result of the last FFI call is in Error, recover the last error from the native code and throw an exception wrapping it.
static void	upsert(MasterKeys masterKeys, byte[] label, HashMap<IndexedValue,Word[]> indexedValuesAndWords, FfiWrapper.FetchEntryCallback fetchEntry, FfiWrapper.UpsertEntryCallback upsertEntry, FfiWrapper.UpsertChainCallback upsertChain)
static int	writeOutputPointerAndSize(HashMap<byte[],byte[]> uidsAndValues, com.sun.jna.Pointer output, com.sun.jna.ptr.IntByReference outputSize)

Methods inherited from class java.lang.Object

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

Constructor Detail

Ffi

public Ffi()

Method Detail

get_last_error

public static String get_last_error()
                             throws FfiException

Return the last error in a String that does not exceed 1023 bytes

Returns:

the last error recorded by the native library

Throws:

FfiException - in case of native library error

get_last_error

public static String get_last_error(int maxLen)
                             throws FfiException

Return the last error in a String that does not exceed `max_len` bytes

Parameters:

maxLen - the maximum number of bytes to return

Returns:

the error

Throws:

FfiException - in case of native library error

set_error

public static void set_error(String error_msg)
                      throws FfiException

Set the last error on the native lib

Parameters:

error_msg - the last error to set on the native lib

Throws:

FfiException - n case of native library error

writeOutputPointerAndSize

public static int writeOutputPointerAndSize(HashMap<byte[],byte[]> uidsAndValues,
                                            com.sun.jna.Pointer output,
                                            com.sun.jna.ptr.IntByReference outputSize)

upsert

public static void upsert(MasterKeys masterKeys,
                          byte[] label,
                          HashMap<IndexedValue,Word[]> indexedValuesAndWords,
                          FfiWrapper.FetchEntryCallback fetchEntry,
                          FfiWrapper.UpsertEntryCallback upsertEntry,
                          FfiWrapper.UpsertChainCallback upsertChain)
                   throws FfiException,
                          CosmianException

Throws:

FfiException

CosmianException

graph_upsert

public static void graph_upsert(MasterKeys masterKeys,
                                byte[] label,
                                HashMap<IndexedValue,Word[]> indexedValuesAndWords,
                                FfiWrapper.FetchEntryCallback fetchEntry,
                                FfiWrapper.UpsertEntryCallback upsertEntry,
                                FfiWrapper.UpsertChainCallback upsertChain)
                         throws FfiException,
                                CosmianException

Throws:

FfiException

CosmianException

search

public static List<byte[]> search(byte[] keyK,
                                  byte[] label,
                                  Word[] words,
                                  int loopIterationLimit,
                                  int maxDepth,
                                  FfiWrapper.ProgressCallback progress,
                                  FfiWrapper.FetchEntryCallback fetchEntry,
                                  FfiWrapper.FetchChainCallback fetchChain)
                           throws FfiException,
                                  CosmianException

Throws:

FfiException

CosmianException

compact

public static void compact(int numberOfReindexingPhasesBeforeFullSet,
                           MasterKeys masterKeys,
                           byte[] label,
                           FfiWrapper.FetchEntryCallback fetchEntry,
                           FfiWrapper.FetchChainCallback fetchChain,
                           FfiWrapper.FetchAllEntryCallback fetchAllEntry,
                           FfiWrapper.UpdateLinesCallback updateLines,
                           FfiWrapper.ListRemovedLocationsCallback listRemovedLocations)
                    throws FfiException,
                           CosmianException

Throws:

FfiException

CosmianException

unwrap

public static void unwrap(int result)
                   throws FfiException

If the result of the last FFI call is in Error, recover the last error from the native code and throw an exception wrapping it.

Parameters:

result - the result of the FFI call

Throws:

FfiException - in case of native library error