From 8ee568a0e00f59f50c94f6f3d240658c08bb4173 Mon Sep 17 00:00:00 2001 From: Jim Martens Date: Wed, 31 May 2017 14:34:18 +0200 Subject: [PATCH] Reduced visibility where possible Signed-off-by: Jim Martens --- 04/src/PersistenceManager.java | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/04/src/PersistenceManager.java b/04/src/PersistenceManager.java index b25b59d..026a8de 100644 --- a/04/src/PersistenceManager.java +++ b/04/src/PersistenceManager.java @@ -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."); }