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  package org.apache.cayenne.access.jdbc;
  
  import com.mockrunner.jdbc.PreparedStatementResultSetHandler;
  import com.mockrunner.mock.jdbc.MockConnection;
  import org.apache.cayenne.access.DataNode;
  import org.apache.cayenne.access.MockOperationObserver;
  import org.apache.cayenne.access.OptimisticLockException;
  import org.apache.cayenne.access.jdbc.reader.RowReaderFactory;
  import org.apache.cayenne.access.translator.batch.DeleteBatchTranslator;
  import org.apache.cayenne.dba.JdbcAdapter;
  import org.apache.cayenne.di.AdhocObjectFactory;
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.di.Injector;
  import org.apache.cayenne.map.DbAttribute;
  import org.apache.cayenne.map.DbEntity;
  import org.apache.cayenne.map.EntityResolver;
  import org.apache.cayenne.query.DeleteBatchQuery;
  import org.apache.cayenne.runtime.CayenneRuntime;
  import org.apache.cayenne.testdo.locking.SimpleLockingTestEntity;
  import org.apache.cayenne.unit.di.runtime.CayenneProjects;
  import org.apache.cayenne.unit.di.runtime.RuntimeCase;
  import org.apache.cayenne.unit.di.runtime.UseCayenneRuntime;
  import org.junit.Test;
  
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  import static org.mockito.Mockito.mock;
  
  @UseCayenneRuntime(CayenneProjects.LOCKING_PROJECT)
  public class BatchActionLockingIT extends RuntimeCase {
  
  	@Inject
  	protected CayenneRuntime runtime;
  
  	@Inject
  	private Injector injector;
  
  	@Inject
  	private AdhocObjectFactory objectFactory;
  
  	@Test
  	public void testRunAsIndividualQueriesSuccess() throws Exception {
  		EntityResolver resolver = runtime.getDataDomain().getEntityResolver();
  
  		// test with adapter that supports keys...
  		JdbcAdapter adapter = buildAdapter(true);
  
  		DbEntity dbEntity = resolver.getObjEntity(SimpleLockingTestEntity.class).getDbEntity();
  
  		List<DbAttribute> qualifierAttributes = Arrays.asList(dbEntity.getAttribute("LOCKING_TEST_ID"),
  				dbEntity.getAttribute("NAME"));
  
  		Collection<String> nullAttributeNames = Collections.singleton("NAME");
  
  		Map<String, Object> qualifierSnapshot = new HashMap<>();
  		qualifierSnapshot.put("LOCKING_TEST_ID", 1);
  
  		DeleteBatchQuery batchQuery = new DeleteBatchQuery(dbEntity, qualifierAttributes, nullAttributeNames, 5);
  		batchQuery.setUsingOptimisticLocking(true);
  		batchQuery.add(qualifierSnapshot);
  
  		DeleteBatchTranslator batchQueryBuilder = new DeleteBatchTranslator(batchQuery, adapter);
  
  		MockConnection mockConnection = new MockConnection();
  		PreparedStatementResultSetHandler preparedStatementResultSetHandler = mockConnection
  				.getPreparedStatementResultSetHandler();
  		preparedStatementResultSetHandler.setExactMatch(false);
  		preparedStatementResultSetHandler.setCaseSensitive(false);
  		preparedStatementResultSetHandler.prepareUpdateCount("DELETE", 1);
  
  		boolean generatesKeys = false;
  
  		DataNode node = new DataNode();
  		node.setAdapter(adapter);
  		node.setEntityResolver(resolver);
  		node.setRowReaderFactory(mock(RowReaderFactory.class));
  		BatchAction action = new BatchAction(batchQuery, node, false);
  		action.runAsIndividualQueries(mockConnection, batchQueryBuilder, new MockOperationObserver(), generatesKeys);
  		assertEquals(0, mockConnection.getNumberCommits());
  		assertEquals(0, mockConnection.getNumberRollbacks());
  	}
  
  	@Test
  	public void testRunAsIndividualQueriesOptimisticLockingFailure() throws Exception {
  		EntityResolver resolver = runtime.getDataDomain().getEntityResolver();
  
  		// test with adapter that supports keys...
  		JdbcAdapter adapter = buildAdapter(true);
  
  		DbEntity dbEntity = resolver.getObjEntity(SimpleLockingTestEntity.class).getDbEntity();
  
  		List<DbAttribute> qualifierAttributes = Arrays.asList(dbEntity.getAttribute("LOCKING_TEST_ID"),
  				dbEntity.getAttribute("NAME"));
  
  		Collection<String> nullAttributeNames = Collections.singleton("NAME");
  
  		Map<String, Object> qualifierSnapshot = new HashMap<>();
  		qualifierSnapshot.put("LOCKING_TEST_ID", 1);
  
  		DeleteBatchQuery batchQuery = new DeleteBatchQuery(dbEntity, qualifierAttributes, nullAttributeNames, 5);
  		batchQuery.setUsingOptimisticLocking(true);
  		batchQuery.add(qualifierSnapshot);
  
  		DeleteBatchTranslator batchQueryBuilder = new DeleteBatchTranslator(batchQuery, adapter);
  
  		MockConnection mockConnection = new MockConnection();
  		PreparedStatementResultSetHandler preparedStatementResultSetHandler = mockConnection
  				.getPreparedStatementResultSetHandler();
  		preparedStatementResultSetHandler.setExactMatch(false);
  		preparedStatementResultSetHandler.setCaseSensitive(false);
  		preparedStatementResultSetHandler.prepareUpdateCount("DELETE", 0);
  
  		boolean generatesKeys = false;
  		DataNode node = new DataNode();
  		node.setAdapter(adapter);
  		node.setEntityResolver(resolver);
  		node.setRowReaderFactory(mock(RowReaderFactory.class));
  		BatchAction action = new BatchAction(batchQuery, node, false);
  		try {
  			action.runAsIndividualQueries(mockConnection, batchQueryBuilder, new MockOperationObserver(), generatesKeys);
  			fail("No OptimisticLockingFailureException thrown.");
  		} catch (OptimisticLockException ignore) {
  		}
  		assertEquals(0, mockConnection.getNumberCommits());
  		assertEquals(0, mockConnection.getNumberRollbacks());
  	}
  
  	JdbcAdapter buildAdapter(boolean supportGeneratedKeys) {
  		JdbcAdapter adapter = objectFactory.newInstance(JdbcAdapter.class, JdbcAdapter.class.getName());
  		adapter.setSupportsGeneratedKeys(supportGeneratedKeys);
  		injector.injectMembers(adapter);
  		return adapter;
  	}
  }
  