Examples with WorkSync org.neo4j.concurrent.WorkSync used on opensource projects

Example 1 with WorkSync

use of org.neo4j.concurrent.WorkSync in project neo4j by neo4j.

the class IndexBatchTransactionApplierTest method shouldProvideLabelScanStoreUpdatesSortedByNodeId.

@Test
public void shouldProvideLabelScanStoreUpdatesSortedByNodeId() throws Exception {
    // GIVEN
    IndexingService indexing = mock(IndexingService.class);
    LabelScanWriter writer = new OrderVerifyingLabelScanWriter(10, 15, 20);
    WorkSync<Supplier<LabelScanWriter>, LabelUpdateWork> labelScanSync = spy(new WorkSync<>(singletonProvider(writer)));
    WorkSync<IndexingService, IndexUpdatesWork> indexUpdatesSync = new WorkSync<>(indexing);
    TransactionToApply tx = mock(TransactionToApply.class);
    PropertyStore propertyStore = mock(PropertyStore.class);
    try (IndexBatchTransactionApplier applier = new IndexBatchTransactionApplier(indexing, labelScanSync, indexUpdatesSync, mock(NodeStore.class), mock(PropertyLoader.class), new PropertyPhysicalToLogicalConverter(propertyStore), TransactionApplicationMode.INTERNAL)) {
        try (TransactionApplier txApplier = applier.startTx(tx)) {
            // WHEN
            txApplier.visitNodeCommand(node(15));
            txApplier.visitNodeCommand(node(20));
            txApplier.visitNodeCommand(node(10));
        }
    }
    // THEN all assertions happen inside the LabelScanWriter#write and #close
    verify(labelScanSync).apply(any());
}