gecko-dev/db/libdb_java/java_Dbc.cpp
1998-10-15 03:56:37 +00:00

102 lines
2.5 KiB
C++

/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997, 1998
* Sleepycat Software. All rights reserved.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "@(#)java_Dbc.cpp 10.4 (Sleepycat) 4/10/98";
#endif /* not lint */
#include <jni.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "db.h"
#include "java_util.h"
#include "com_sleepycat_db_Dbc.h"
JNIEXPORT void JNICALL Java_com_sleepycat_db_Dbc_close
(JNIEnv *jnienv, jobject jthis)
{
int err;
DBC *dbc = get_DBC(jnienv, jthis);
if (!verify_non_null(jnienv, dbc))
return;
err = dbc->c_close(dbc);
if (verify_return(jnienv, err))
{
set_private_info(jnienv, name_DBC, jthis, 0);
}
}
JNIEXPORT void JNICALL Java_com_sleepycat_db_Dbc_del
(JNIEnv *jnienv, jobject jthis, jint flags)
{
int err;
DBC *dbc = get_DBC(jnienv, jthis);
if (!verify_non_null(jnienv, dbc))
return;
err = dbc->c_del(dbc, flags);
verify_return(jnienv, err);
}
JNIEXPORT jint JNICALL Java_com_sleepycat_db_Dbc_get
(JNIEnv *jnienv, jobject jthis,
/*Dbt*/ jobject key, /*Dbt*/ jobject data, jint flags)
{
// Depending on flags, the user may be supplying the key,
// or else we may have to retrieve it.
int retrieve_key = ((flags & (DB_SET|DB_SET_RANGE|DB_SET_RECNO)) == 0);
int err;
DBC *dbc = get_DBC(jnienv, jthis);
LockedDBT dbkey(jnienv, key, retrieve_key);
if (dbkey.has_error())
return 0;
LockedDBT dbdata(jnienv, data, 1);
if (dbdata.has_error())
return 0;
if (!verify_non_null(jnienv, dbc))
return -1;
err = dbc->c_get(dbc, dbkey.dbt, dbdata.dbt, flags);
if (err != DB_NOTFOUND) {
verify_return(jnienv, err);
}
return err;
}
JNIEXPORT void JNICALL Java_com_sleepycat_db_Dbc_put
(JNIEnv *jnienv, jobject jthis,
/*Dbt*/ jobject key, /*Dbt*/ jobject data, jint flags)
{
int err;
DBC *dbc = get_DBC(jnienv, jthis);
LockedDBT dbkey(jnienv, key, 0);
if (dbkey.has_error())
return;
LockedDBT dbdata(jnienv, data, 0);
if (dbdata.has_error())
return;
if (!verify_non_null(jnienv, dbc))
return;
err = dbc->c_put(dbc, dbkey.dbt, dbdata.dbt, flags);
verify_return(jnienv, err);
}
JNIEXPORT void JNICALL Java_com_sleepycat_db_Dbc_finalize
(JNIEnv *jnienv, jobject jthis)
{
DBC *dbc = get_DBC(jnienv, jthis);
if (dbc) {
// Free any data related to DBC here
}
}