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/*-
* 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_Dbt.cpp 10.5 (Sleepycat) 9/10/98";
#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_Dbt.h"
JAVADB_RW_ACCESS(Dbt, jint, size, DBT, size)
JAVADB_RW_ACCESS(Dbt, jint, ulen, DBT, ulen)
JAVADB_RW_ACCESS(Dbt, jint, dlen, DBT, dlen)
JAVADB_RW_ACCESS(Dbt, jint, doff, DBT, doff)
JAVADB_RW_ACCESS(Dbt, jint, flags, DBT, flags)
JNIEXPORT void JNICALL Java_com_sleepycat_db_Dbt_init
(JNIEnv *jnienv, jobject jthis)
{
DBT_info *dbt = NEW(DBT_info);
set_private_info(jnienv, name_DBT, jthis, dbt);
}
JNIEXPORT void JNICALL Java_com_sleepycat_db_Dbt_internal_1set_1data
(JNIEnv *jnienv, jobject jthis, jbyteArray array)
{
DBT_info *db_this = get_DBT(jnienv, jthis);
if (verify_non_null(jnienv, db_this)) {
// If we previously allocated an array for java,
// must release reference.
db_this->release(jnienv);
// Make the array a global ref, it won't be GC'd till we release it.
if (array)
array = (jbyteArray)jnienv->NewGlobalRef(array);
db_this->array_ = array;
}
}
JNIEXPORT jbyteArray JNICALL Java_com_sleepycat_db_Dbt_get_1data
(JNIEnv *jnienv, jobject jthis)
{
DBT_info *db_this = get_DBT(jnienv, jthis);
if (verify_non_null(jnienv, db_this)) {
return db_this->array_;
}
return 0;
}
JNIEXPORT void JNICALL Java_com_sleepycat_db_Dbt_set_1offset
(JNIEnv *jnienv, jobject jthis, jint offset)
{
DBT_info *db_this = get_DBT(jnienv, jthis);
if (verify_non_null(jnienv, db_this)) {
db_this->offset_ = offset;
}
}
JNIEXPORT jint JNICALL Java_com_sleepycat_db_Dbt_get_1offset
(JNIEnv *jnienv, jobject jthis)
{
DBT_info *db_this = get_DBT(jnienv, jthis);
if (verify_non_null(jnienv, db_this)) {
return db_this->offset_;
}
return 0;
}
JNIEXPORT void JNICALL Java_com_sleepycat_db_Dbt_set_1recno_1key_1data(JNIEnv *jnienv, jobject jthis, jint value)
{
LockedDBT dbt_this(jnienv, jthis, inOp);
if (dbt_this.has_error())
return;
if (!dbt_this.dbt->data ||
dbt_this.java_array_len_ < sizeof(db_recno_t)) {
char buf[200];
sprintf(buf, "set_recno_key_data error: %p %p %d %d",
dbt_this.dbt, dbt_this.dbt->data,
dbt_this.dbt->ulen, sizeof(db_recno_t));
report_exception(jnienv, buf, 0);
}
else {
*(db_recno_t*)(dbt_this.dbt->data) = value;
}
}
JNIEXPORT jint JNICALL Java_com_sleepycat_db_Dbt_get_1recno_1key_1data(JNIEnv *jnienv, jobject jthis)
{
// Although this is kind of like "retrieve", we don't support
// DB_DBT_MALLOC for this operation, so we tell LockedDBT constructor
// that is not a retrieve.
//
LockedDBT dbt_this(jnienv, jthis, inOp);
if (dbt_this.has_error())
return 0;
if (!dbt_this.dbt->data ||
dbt_this.java_array_len_ < sizeof(db_recno_t)) {
char buf[200];
sprintf(buf, "get_recno_key_data error: %p %p %d %d",
dbt_this.dbt, dbt_this.dbt->data,
dbt_this.dbt->ulen, sizeof(db_recno_t));
report_exception(jnienv, buf, 0);
return 0;
}
else {
return *(db_recno_t*)(dbt_this.dbt->data);
}
}
JNIEXPORT void JNICALL Java_com_sleepycat_db_Dbt_finalize
(JNIEnv *jnienv, jobject jthis)
{
DBT_info *dbt = get_DBT(jnienv, jthis);
if (dbt) {
// Free any data related to DBT here
dbt->release(jnienv);
DELETE(dbt);
}
}
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