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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.test.api.query.qom;
import java.util.List;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.HashSet;
import java.util.Set;
import javax.jcr.RepositoryException;
import javax.jcr.Node;
import javax.jcr.nodetype.NodeTypeManager;
import javax.jcr.nodetype.NodeType;
import javax.jcr.nodetype.PropertyDefinition;
import javax.jcr.query.qom.Column;
import javax.jcr.query.qom.QueryObjectModel;
import javax.jcr.query.qom.QueryObjectModelConstants;
import javax.jcr.query.QueryResult;
import javax.jcr.query.RowIterator;
import javax.jcr.query.Row;
import javax.jcr.query.Query;
/**
* <code>ColumnTest</code> contains test cases related to QOM column.
*/
public class ColumnTest extends AbstractQOMTest {
private static final String SELECTOR_1 = "s";
private static final String SELECTOR_2 = "p";
private static final String TEST_VALUE = "value";
/**
* From the spec:
* <p>
* If propertyName is not specified, a column is included for each
* single-valued non-residual property of the node type specified by the
* nodeType attribute of the selector selectorName.
* <p>
* [..] If propertyName is not specified,
* columnName must not be specified, and the included columns will be
* named "selectorName.propertyName".
*/
public void testExpandColumnsForNodeType() throws RepositoryException {
QueryObjectModel qom = qf.createQuery(
qf.selector(testNodeType, SELECTOR_1),
null,
null,
new Column[]{qf.column(SELECTOR_1, null, null)});
forQOMandSQL2(qom, new Callable() {
public Object call(Query query) throws RepositoryException {
QueryResult result = query.execute();
NodeTypeManager ntMgr = superuser.getWorkspace().getNodeTypeManager();
NodeType nt = ntMgr.getNodeType(testNodeType);
PropertyDefinition[] propDefs = nt.getPropertyDefinitions();
Set<String> names = new HashSet<String>();
for (int i = 0; i < propDefs.length; i++) {
PropertyDefinition propDef = propDefs[i];
if (!propDef.isMultiple() && !propDef.getName().equals("*")) {
String columnName = SELECTOR_1 + "." + propDef.getName();
names.add(columnName);
}
}
for (String columnName : result.getColumnNames()) {
names.remove(columnName);
}
assertTrue("Missing required column(s): " + names, names.isEmpty());
return null;
}
});
}
/**
* From the spec:
* <p>
* If propertyName is specified, columnName is required and used to name
* the column in the tabular results.
*/
public void testColumnNames() throws RepositoryException {
QueryObjectModel qom = qf.createQuery(
qf.selector(testNodeType, SELECTOR_1),
null,
null,
new Column[]{qf.column(SELECTOR_1, propertyName1, propertyName1)});
forQOMandSQL2(qom, new Callable() {
public Object call(Query query) throws RepositoryException {
QueryResult result = query.execute();
List<String> names = new ArrayList<String>(Arrays.asList(result.getColumnNames()));
assertTrue("Missing column: " + propertyName1, names.remove(propertyName1));
for (Iterator<String> it = names.iterator(); it.hasNext(); ) {
fail(it.next() + " was not declared as a column");
}
return null;
}
});
}
public void testMultiColumn() throws RepositoryException {
Node n = testRootNode.addNode(nodeName1, testNodeType);
n.setProperty(propertyName1, TEST_VALUE);
superuser.save();
final String columnName1 = SELECTOR_1 + "." + propertyName1;
final String columnName2 = SELECTOR_2 + "." + propertyName1;
QueryObjectModel qom = qf.createQuery(
qf.join(
qf.selector(testNodeType, SELECTOR_1),
qf.selector(testNodeType, SELECTOR_2),
QueryObjectModelConstants.JCR_JOIN_TYPE_INNER,
qf.equiJoinCondition(SELECTOR_1, propertyName1, SELECTOR_2, propertyName1)
),
qf.descendantNode(SELECTOR_1, testRoot),
null,
new Column[]{
qf.column(SELECTOR_1, propertyName1, columnName1),
qf.column(SELECTOR_2, propertyName1, columnName2)
}
);
forQOMandSQL2(qom, new Callable() {
public Object call(Query query) throws RepositoryException {
RowIterator rows = query.execute().getRows();
assertTrue("empty result", rows.hasNext());
Row r = rows.nextRow();
assertEquals("unexpected value", TEST_VALUE, r.getValue(columnName1).getString());
assertEquals("unexpected value", TEST_VALUE, r.getValue(columnName2).getString());
return null;
}
});
}
}