Examples with Cursor jetbrains.exodus.env.Cursor used on opensource projects

Example 41 with Cursor

use of jetbrains.exodus.env.Cursor in project xodus by JetBrains.

the class TreeCursorNoDuplicatesTest method testGetSearchKeyRange3.

@Test
public void testGetSearchKeyRange3() throws IOException {
    tm = createMutableTree(false, 1);
    getTreeMutable().put(new ArrayByteIterable(new byte[] { 1 }), value("v1"));
    final ArrayByteIterable key = new ArrayByteIterable(new byte[] { 1, 2, 1, 0 });
    getTreeMutable().put(key, value("v2"));
    Cursor c = getTreeMutable().openCursor();
    assertEquals(value("v2"), c.getSearchKeyRange(new ArrayByteIterable(new byte[] { 1, 2, 1 })));
    assertEquals(key, c.getKey());
    assertFalse(c.getNext());
}

Example 42 with Cursor

use of jetbrains.exodus.env.Cursor in project xodus by JetBrains.

the class TreeCursorNoDuplicatesTest method testGetNext3.

@Test
public void testGetNext3() throws IOException {
    tm = createMutableTree(false, 1);
    for (int i = 0; i < 1000; i++) {
        getTreeMutable().put(kv(i, "v" + i));
    }
    Cursor c = getTreeMutable().openCursor();
    assertEquals(value("v998"), c.getSearchKey(key(998)));
    // v999 - last
    assertTrue(c.getNext());
    assertFalse(c.getNext());
}

Example 43 with Cursor

use of jetbrains.exodus.env.Cursor in project xodus by JetBrains.

the class TreeCursorNoDuplicatesTest method testGetNext2.

@Test
public void testGetNext2() throws IOException {
    tm = createMutableTree(false, 1);
    getTreeMutable().put(kv(1, "v1"));
    getTreeMutable().put(kv(2, "v2"));
    getTreeMutable().put(kv(3, "v3"));
    getTreeMutable().put(kv(4, "v4"));
    getTreeMutable().put(kv(5, "v5"));
    Cursor c = getTreeMutable().openCursor();
    assertEquals(value("v5"), c.getSearchKey(key(5)));
    assertFalse(c.getNext());
    long a = saveTree();
    c = getTreeMutable().openCursor();
    assertEquals(value("v5"), c.getSearchKey(key(5)));
    assertFalse(c.getNext());
    t = openTree(a, false);
    c = getTreeMutable().openCursor();
    assertEquals(value("v5"), c.getSearchKey(key(5)));
    assertFalse(c.getNext());
}

Example 44 with Cursor

use of jetbrains.exodus.env.Cursor in project xodus by JetBrains.

the class TreeCursorNoDuplicatesTest method testSplitRange.

@Test
public void testSplitRange() throws IOException {
    tm = getTreeMutable().getMutableCopy();
    getTreeMutable().put(key("aaabbb"), value("v10"));
    getTreeMutable().put(key("aaaddd"), value("v20"));
    Cursor c = getTreeMutable().openCursor();
    assertNotNull(c.getSearchKeyRange(key("aaa")));
    assertEquals(value("v10"), c.getValue());
    assertNull(c.getSearchKey(key("aaa")));
}

Example 45 with Cursor

use of jetbrains.exodus.env.Cursor in project xodus by JetBrains.

the class TreeCursorNoDuplicatesTest method testGetSearchBoth.

@Test
public void testGetSearchBoth() throws IOException {
    Cursor c = getTreeMutable().openCursor();
    for (int i = 0; i < s; i++) {
        assertEquals(true, c.getSearchBoth(key(i), value("v" + i)));
        assertEquals(c.getValue(), value("v" + i));
        assertEquals(c.getKey(), key(i));
    }
    assertFalse(c.getNext());
}