Examples with TXEntryState org.apache.geode.internal.cache.TXEntryState used on opensource projects

Example 1 with TXEntryState

use of org.apache.geode.internal.cache.TXEntryState in project geode by apache.

the class MyTransactionFunction method verifyTxStateAndConflicts.

private void verifyTxStateAndConflicts(RegionFunctionContext ctx) {
    Region custPR = ctx.getDataSet();
    Region orderPR = custPR.getCache().getRegion(PRTransactionDUnitTest.OrderPartitionedRegionName);
    ArrayList args = (ArrayList) ctx.getArguments();
    CustId custId = (CustId) args.get(1);
    CacheTransactionManager mgr = custPR.getCache().getCacheTransactionManager();
    OrderId vOrderId = new OrderId(3000, custId);
    Order vOrder = new Order("vOrder");
    TXManagerImpl mImp = (TXManagerImpl) mgr;
    mImp.begin();
    orderPR.put(vOrderId, vOrder);
    TXStateProxy txState = mImp.internalSuspend();
    Iterator it = txState.getRegions().iterator();
    Assert.assertTrue(txState.getRegions().size() == 1, "Expected 1 region; " + "found:" + txState.getRegions().size());
    LocalRegion lr = (LocalRegion) it.next();
    Assert.assertTrue(lr instanceof BucketRegion);
    TXRegionState txRegion = txState.readRegion(lr);
    TXEntryState txEntry = txRegion.readEntry(txRegion.getEntryKeys().iterator().next());
    mImp.internalResume(txState);
    orderPR.put(vOrderId, new Order("foo"));
    txState = mImp.internalSuspend();
    // since both puts were on same key, verify that
    // TxRegionState and TXEntryState are same
    LocalRegion lr1 = (LocalRegion) txState.getRegions().iterator().next();
    Assert.assertTrue(lr == lr1);
    TXRegionState txRegion1 = txState.readRegion(lr);
    TXEntryState txEntry1 = txRegion1.readEntry(txRegion.getEntryKeys().iterator().next());
    Assert.assertTrue(txEntry == txEntry1);
    // to check for conflicts, start a new transaction, operate on same key,
    // commit the second and expect the first to fail
    mImp.begin();
    orderPR.put(vOrderId, new Order("foobar"));
    mImp.commit();
    // now begin the first
    mImp.internalResume(txState);
    boolean caughtException = false;
    try {
        mImp.commit();
    } catch (CommitConflictException e) {
        caughtException = true;
    }
    if (!caughtException) {
        throw new TestException("An expected exception was not thrown");
    }
}