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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002,2010 Oracle. All rights reserved.
*
* $Id: DbCursorSearchTest.java,v 1.37.2.2 2010/01/04 15:30:43 cwl Exp $
*/
package com.sleepycat.je.dbi;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
import com.sleepycat.je.DatabaseEntry;
import com.sleepycat.je.DatabaseException;
import com.sleepycat.je.LockMode;
import com.sleepycat.je.OperationStatus;
import com.sleepycat.je.util.StringDbt;
/**
* Test cursor getSearch*
*/
public class DbCursorSearchTest extends DbCursorTestBase {
public DbCursorSearchTest()
throws DatabaseException {
super();
}
/**
* Put a small number of data items into the database
* then make sure we can retrieve them with getSearchKey.
*/
public void testSimpleSearchKey()
throws DatabaseException {
initEnv(false);
doSimpleCursorPuts();
verify(simpleDataMap, false);
}
/**
* Put a small number of data items into the database
* then make sure we can retrieve them with getSearchKey.
* Delete them, and make sure we can't search for them anymore.
*/
public void testSimpleDeleteAndSearchKey()
throws DatabaseException {
initEnv(false);
doSimpleCursorPuts();
verify(simpleDataMap, true);
}
/**
* Put a large number of data items into the database,
* then make sure we can retrieve them with getSearchKey.
*/
public void testLargeSearchKey()
throws DatabaseException {
initEnv(false);
Hashtable expectedData = new Hashtable();
doLargePut(expectedData, N_KEYS);
verify(expectedData, false);
}
/**
* Put a large number of data items into the database,
* then make sure we can retrieve them with getSearchKey.
*/
public void testLargeDeleteAndSearchKey()
throws DatabaseException {
initEnv(false);
Hashtable expectedData = new Hashtable();
doLargePut(expectedData, N_KEYS);
verify(expectedData, true);
}
public void testLargeSearchKeyDuplicates()
throws DatabaseException {
initEnv(true);
Hashtable expectedData = new Hashtable();
createRandomDuplicateData(expectedData, false);
verifyDuplicates(expectedData);
}
/**
* Put a small number of data items into the database
* then make sure we can retrieve them with getSearchKey.
* See [#9337].
*/
public void testSimpleSearchBothWithPartialDbt()
throws DatabaseException {
initEnv(false);
doSimpleCursorPuts();
DatabaseEntry key = new DatabaseEntry("bar".getBytes());
DatabaseEntry data = new DatabaseEntry(new byte[100]);
data.setSize(3);
System.arraycopy("two".getBytes(), 0, data.getData(), 0, 3);
OperationStatus status =
cursor2.getSearchBoth(key, data, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
}
public void testGetSearchBothNoDuplicatesAllowedSR9522()
throws DatabaseException {
initEnv(false);
doSimpleCursorPuts();
DatabaseEntry key = new DatabaseEntry("bar".getBytes());
DatabaseEntry data = new DatabaseEntry("two".getBytes());
OperationStatus status =
cursor2.getSearchBoth(key, data, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
}
/**
* Make sure the database contains the set of data we put in.
*/
private void verify(Hashtable expectedData, boolean doDelete)
throws DatabaseException {
Iterator iter = expectedData.entrySet().iterator();
StringDbt testKey = new StringDbt();
StringDbt testData = new StringDbt();
// Iterate over the expected values.
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry) iter.next();
testKey.setString((String) entry.getKey());
// search for the expected values using SET.
OperationStatus status = cursor2.getSearchKey(testKey, testData,
LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals((String) entry.getValue(), testData.getString());
assertEquals((String) entry.getKey(), testKey.getString());
// check that getCurrent returns the same thing.
status = cursor2.getCurrent(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals((String) entry.getValue(), testData.getString());
assertEquals((String) entry.getKey(), testKey.getString());
if (doDelete) {
// Delete the entry and make sure that getSearchKey doesn't
// return it again.
status = cursor2.delete();
assertEquals(OperationStatus.SUCCESS, status);
// search for the expected values using SET.
status =
cursor2.getSearchKey(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.NOTFOUND, status);
// search for the expected values using SET_BOTH.
status =
cursor2.getSearchBoth(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.NOTFOUND, status);
// search for the expected values using SET_RANGE - should
// give 0 except if this is the last key in the tree, in which
// case DB_NOTFOUND. It should never be DB_KEYEMPTY.
// It would be nice to be definite about the expected
// status, but to do that we have to know whether this is the
// highest key in the set, which we don't currently track.
status = cursor2.getSearchKeyRange
(testKey, testData, LockMode.DEFAULT);
assertTrue(status == OperationStatus.SUCCESS ||
status == OperationStatus.NOTFOUND);
} else {
// search for the expected values using SET_BOTH.
status =
cursor2.getSearchBoth(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals((String) entry.getValue(), testData.getString());
assertEquals((String) entry.getKey(), testKey.getString());
// check that getCurrent returns the same thing.
status =
cursor2.getCurrent(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals((String) entry.getValue(), testData.getString());
assertEquals((String) entry.getKey(), testKey.getString());
// check that SET_RANGE works as expected for exact keys
status = cursor2.getSearchKeyRange
(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals((String) entry.getValue(), testData.getString());
assertEquals((String) entry.getKey(), testKey.getString());
// search for the expected values using SET_RANGE.
byte[] keyBytes = testKey.getData();
keyBytes[keyBytes.length - 1]--;
status = cursor2.getSearchKeyRange
(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals((String) entry.getValue(), testData.getString());
assertEquals((String) entry.getKey(), testKey.getString());
// check that getCurrent returns the same thing.
status =
cursor2.getCurrent(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals((String) entry.getValue(), testData.getString());
assertEquals((String) entry.getKey(), testKey.getString());
}
}
}
private void verifyDuplicates(Hashtable expectedData)
throws DatabaseException {
Enumeration iter = expectedData.keys();
StringDbt testKey = new StringDbt();
StringDbt testData = new StringDbt();
// Iterate over the expected values.
while (iter.hasMoreElements()) {
String key = (String) iter.nextElement();
testKey.setString(key);
// search for the expected values using SET.
OperationStatus status = cursor2.getSearchKey(testKey, testData,
LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals(key, testKey.getString());
String dataString = testData.getString();
// check that getCurrent returns the same thing.
status = cursor2.getCurrent(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals(dataString, testData.getString());
assertEquals(key, testKey.getString());
// search for the expected values using SET_RANGE.
byte[] keyBytes = testKey.getData();
keyBytes[keyBytes.length - 1]--;
status =
cursor2.getSearchKeyRange(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals(dataString, testData.getString());
assertEquals(key, testKey.getString());
// check that getCurrent returns the same thing.
status = cursor2.getCurrent(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals(dataString, testData.getString());
assertEquals(key, testKey.getString());
Hashtable ht = (Hashtable) expectedData.get(key);
Enumeration iter2 = ht.keys();
while (iter2.hasMoreElements()) {
String expectedDataString = (String) iter2.nextElement();
testData.setString(expectedDataString);
// search for the expected values using SET_BOTH.
status =
cursor2.getSearchBoth(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals(expectedDataString, testData.getString());
assertEquals(key, testKey.getString());
// check that getCurrent returns the same thing.
status =
cursor2.getCurrent(testKey, testData, LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals(expectedDataString, testData.getString());
assertEquals(key, testKey.getString());
// search for the expected values using SET_RANGE_BOTH.
byte[] dataBytes = testData.getData();
dataBytes[dataBytes.length - 1]--;
status = cursor2.getSearchBothRange(testKey, testData,
LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals(key, testKey.getString());
assertEquals(expectedDataString, testData.getString());
// check that getCurrent returns the same thing.
status = cursor2.getCurrent(testKey, testData,
LockMode.DEFAULT);
assertEquals(OperationStatus.SUCCESS, status);
assertEquals(expectedDataString, testData.getString());
assertEquals(key, testKey.getString());
}
}
}
}
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