| 1 | /* |
| 2 | |
| 3 | Derby - Class org.apache.derby.client.net.NetXACallInfo |
| 4 | |
| 5 | Copyright (c) 2002, 2005 The Apache Software Foundation or its licensors, where applicable. |
| 6 | |
| 7 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | you may not use this file except in compliance with the License. |
| 9 | You may obtain a copy of the License at |
| 10 | |
| 11 | http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | |
| 13 | Unless required by applicable law or agreed to in writing, software |
| 14 | distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | See the License for the specific language governing permissions and |
| 17 | limitations under the License. |
| 18 | |
| 19 | */ |
| 20 | /********************************************************************** |
| 21 | * |
| 22 | * |
| 23 | * Component Name = |
| 24 | * |
| 25 | * Package Name = org.apache.derby.client.net |
| 26 | * |
| 27 | * Descriptive Name = XACallInfo class |
| 28 | * |
| 29 | * Function = Handle XA information |
| 30 | * |
| 31 | * List of Classes |
| 32 | * - NetXACallInfo |
| 33 | * |
| 34 | * Restrictions : None |
| 35 | * |
| 36 | **********************************************************************/ |
| 37 | package org.apache.derby.client.net; |
| 38 | |
| 39 | import javax.transaction.xa.XAResource; |
| 40 | import javax.transaction.xa.Xid; |
| 41 | |
| 42 | import org.apache.derby.client.am.Connection; |
| 43 | |
| 44 | public class NetXACallInfo { |
| 45 | Xid xid_; // current xid |
| 46 | int xaFlags_; // current xaFlags |
| 47 | // may not be needed!!!~~~ |
| 48 | int xaFunction_; // queued XA function being performed |
| 49 | int xaRetVal_; // xaretval from server |
| 50 | boolean xaInProgress_; // set at start(), reset at commit(), |
| 51 | // rollback(), or prepare() on RDONLY |
| 52 | boolean xaWasSuspended; // used to indicate an XA tyrans was suspended |
| 53 | // one or more times, overrides empty transaction |
| 54 | boolean currConnection_; // set when actualConn_ is the current connection |
| 55 | boolean freeEntry_; // set when no actualConn_, entry is free / available |
| 56 | boolean convReleased_; // release coversation, reuse successfull = true |
| 57 | NetXAResource xaResource_; // NetXAResource containing this NetXACallInfo |
| 58 | NetXAConnection actualConn_; // the actual connection object, not necessarily |
| 59 | // the user's connection object |
| 60 | /* only the first connection object is actually used. The other connection |
| 61 | * objects are used only for their TCP/IP variables to simulate |
| 62 | * suspend / resume |
| 63 | */ |
| 64 | |
| 65 | private byte[] crrtkn_; |
| 66 | private java.io.InputStream in_; |
| 67 | private java.io.OutputStream out_; |
| 68 | |
| 69 | private byte[] uowid_; // Unit of Work ID |
| 70 | |
| 71 | private boolean readOnlyTransaction_; // readOnlyTransaction Flag |
| 72 | |
| 73 | public NetXACallInfo() { |
| 74 | xid_ = null; |
| 75 | xaFlags_ = XAResource.TMNOFLAGS; |
| 76 | xaInProgress_ = false; |
| 77 | currConnection_ = false; |
| 78 | freeEntry_ = true; |
| 79 | convReleased_ = false; |
| 80 | actualConn_ = null; |
| 81 | readOnlyTransaction_ = true; |
| 82 | xaResource_ = null; |
| 83 | xaRetVal_ = 0; |
| 84 | xaWasSuspended = false; |
| 85 | } |
| 86 | |
| 87 | public NetXACallInfo(Xid xid, int flags, NetXAResource xares, NetXAConnection actualConn) { |
| 88 | xid_ = xid; |
| 89 | xaFlags_ = flags; |
| 90 | xaInProgress_ = false; |
| 91 | currConnection_ = false; |
| 92 | freeEntry_ = true; |
| 93 | actualConn_ = actualConn; |
| 94 | readOnlyTransaction_ = true; |
| 95 | xaResource_ = xares; |
| 96 | xaRetVal_ = 0; |
| 97 | xaWasSuspended = false; |
| 98 | } |
| 99 | |
| 100 | public void saveConnectionVariables() { |
| 101 | in_ = actualConn_.getNetConnection().getInputStream(); |
| 102 | out_ = actualConn_.getNetConnection().getOutputStream(); |
| 103 | crrtkn_ = actualConn_.getCorrelatorToken(); |
| 104 | } |
| 105 | |
| 106 | public java.io.InputStream getInputStream() { |
| 107 | return in_; |
| 108 | } |
| 109 | |
| 110 | public java.io.OutputStream getOutputStream() { |
| 111 | return out_; |
| 112 | } |
| 113 | |
| 114 | public byte[] getCorrelatorToken() { |
| 115 | return crrtkn_; |
| 116 | } |
| 117 | |
| 118 | protected void setUOWID(byte[] uowid) { |
| 119 | uowid_ = uowid; |
| 120 | } |
| 121 | |
| 122 | protected byte[] getUOWID() { |
| 123 | return uowid_; |
| 124 | } |
| 125 | |
| 126 | protected void setReadOnlyTransactionFlag(boolean flag) { |
| 127 | readOnlyTransaction_ = flag; |
| 128 | } |
| 129 | |
| 130 | protected boolean getReadOnlyTransactionFlag() { |
| 131 | return readOnlyTransaction_; |
| 132 | } |
| 133 | |
| 134 | |
| 135 | } |
| 136 | |
| 137 | |
| 138 | |
| 139 | |
| 140 | |
| 141 | |
| 142 | |
| 143 | |
| 144 | |