Platform SDK: Transaction Server

CreatePropertyGroup, CreateProperty, putValue, getValue Methods Example

[This product will work only on Windows NT 4.0 versions and earlier. For Windows 2000 and later, see COM+ (Component Services).]

import com.ms.mtx.*;


ISharedPropertyGroupManager propGpMgr = null;
ISharedPropertyGroup propGp = null;
ISharedProperty propNextNum = null;
Variant vNext;
int iNextValue = 0;
boolean[] afAlreadyExists = new boolean[1];
int[] aiIsolationMode = new int[1];
aiIsolationMode[0] = 
    ISharedPropertyGroupManager.LOCKMODE_SETGET;
int[] aiReleaseMode = new int[1];
aiReleaseMode[0] = 
    ISharedPropertyGroupManager.RELEASEMODE_PROCESS;

// Create the SharedPropertyGroupManager,
// SharedPropertyGroup, and SharedProperty.
propGpMgr = new SharedPropertyGroupManager();
propGp = propGpMgr.CreatePropertyGroup
    ("Counter", aiIsolationMode,
    aiReleaseMode, afAlreadyExists);
propNextNum = propGp.CreateProperty
    ("NextNum", afAlreadyExists);

// Get the next number and increment it.
VariantInit(&vNext);
vNext = propNextNum.getValue();
iNextValue = vNext.getInt();
vNext.putInt(iNextValue + 1);
propNextNum.putValue(vNext);