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Reduced visibility where possible

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Signed-off-by: Jim Martens <github@2martens.de>
This commit is contained in:
Jim Martens
2017-05-31 14:34:18 +02:00
parent 1837dfa35e
commit 8ee568a0e0
1 changed files with 4 additions and 4 deletions
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8
04/src/PersistenceManager.java
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@ -30,7 +30,7 @@ public class PersistenceManager {
* @return instance
*/
@Contract(pure = true)
public static PersistenceManager getInstance() {
static PersistenceManager getInstance() {
return instance;
}
@ -52,7 +52,7 @@ public class PersistenceManager {
*
* @return transaction ID
*/
public synchronized int beginTransaction() {
synchronized int beginTransaction() {
_transactions.put(_nextTransactionNumber, false);
log(_nextTransactionNumber, -1, "BOT", "");
// return the next transaction number and increase it by one afterwards
@ -65,7 +65,7 @@ public class PersistenceManager {
* @param taid
* transaction ID
*/
public void commit(int taid) {
void commit(int taid) {
if (!_transactions.containsKey(taid)) {
throw new IllegalArgumentException("No transaction with given ID exists.");
}
@ -86,7 +86,7 @@ public class PersistenceManager {
* @param data
* data
*/
public void write(int taid, int pageid, String data) {
void write(int taid, int pageid, String data) {
if (!_transactions.containsKey(taid)) {
throw new IllegalArgumentException("No transaction with given ID exists.");
}