import org.telegram.mtproto.state.KnownSalt; //导入依赖的package包/类
private synchronized void writeKnownSalts(int dcId, KnownSalt[] salts) {
    TLKey key = findKey(dcId);
    key.getSalts().clear();
    for (KnownSalt salt : salts) {
        key.getSalts().add(new TLLastKnownSalt(salt.getValidSince(), salt.getValidUntil(), salt.getSalt()));
    }
    write();
}
 

import org.telegram.mtproto.state.KnownSalt; //导入依赖的package包/类
private synchronized KnownSalt[] readKnownSalts(int dcId) {
    TLKey key = findKey(dcId);
    KnownSalt[] salts = new KnownSalt[key.getSalts().size()];
    for (int i = 0; i < salts.length; i++) {
        TLLastKnownSalt sourceSalt = key.getSalts().get(i);
        salts[i] = new KnownSalt(sourceSalt.getValidSince(), sourceSalt.getValidUntil(), sourceSalt.getSalt());
    }
    return salts;
}
 

import org.telegram.mtproto.state.KnownSalt; //导入依赖的package包/类
@Override
public synchronized AbsMTProtoState getMtProtoState(final int dcId) {
    return new AbsMTProtoState() {

        private KnownSalt[] knownSalts = null;

        @Override
        public byte[] getAuthKey() {
            return MemoryApiState.this.getAuthKey(dcId);
        }

        @Override
        public ConnectionInfo[] getAvailableConnections() {
            return MemoryApiState.this.getAvailableConnections(dcId);
        }

        @Override
        public KnownSalt[] readKnownSalts() {
            if (knownSalts == null) {
                knownSalts = MemoryApiState.this.readKnownSalts(dcId);
            }
            return knownSalts;
        }

        @Override
        protected void writeKnownSalts(KnownSalt[] salts) {
            MemoryApiState.this.writeKnownSalts(dcId, salts);
            knownSalts = null;
        }
    };
}