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

Example 6 with Cursor

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

the class TreeCursorDuplicatesTest method testGetSearchBothRange2.

@Test
public void testGetSearchBothRange2() throws IOException {
    final TreeAwareRunnable getSearchBothRange = new TreeAwareRunnable(getTreeMutable()) {

        @Override
        public void run() {
            Cursor c = _t.openCursor();
            // miss
            assertEquals(null, c.getSearchBothRange(key(0), value("v1")));
            // found
            assertEquals(value("v1"), c.getSearchBothRange(key(1), value("v0")));
            assertEquals(key(1), c.getKey());
            assertEquals(value("v1"), c.getValue());
            // miss
            assertEquals(null, c.getSearchBothRange(key(2), value("v21")));
            // check keep prev state
            assertEquals(key(1), c.getKey());
            assertEquals(value("v51"), c.getSearchBothRange(key(5), value("v50")));
            assertEquals(key(5), c.getKey());
            assertEquals(value("v51"), c.getSearchBothRange(key(5), value("v51")));
            assertEquals(key(5), c.getKey());
            assertEquals(value("v53"), c.getSearchBothRange(key(5), value("v521")));
            assertEquals(key(5), c.getKey());
            assertEquals(null, c.getSearchBothRange(key(5), value("v54")));
            assertEquals(value("v53"), c.getValue());
        }
    };
    getSearchBothRange.run();
    long a = saveTree();
    getSearchBothRange.run();
    reopen();
    getSearchBothRange.setTree(openTree(a, true));
    getSearchBothRange.run();
}

Example 7 with Cursor

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

the class TreeCursorDuplicatesTest method testGetNextDup2.

@Test
public void testGetNextDup2() throws IOException {
    Cursor c = tm.openCursor();
    assertEquals(value("v1"), c.getSearchKey(key(1)));
    assertFalse(c.getNextDup());
    // 51
    c.getSearchKey(key(5));
    // 52
    c.getNextDup();
    // 53
    c.getNextDup();
    c.deleteCurrent();
    assertFalse(c.getNextDup());
}

Example 8 with Cursor

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

the class TreeCursorDuplicatesTest method testGetNext.

@Test
public void testGetNext() throws IOException {
    final TreeAwareRunnable getNext = new TreeAwareRunnable(getTreeMutable()) {

        @Override
        public void run() {
            Cursor c = _t.openCursor();
            for (INode ln : values) {
                assertEquals(true, c.getNext());
                assertEquals(ln.getValue(), c.getValue());
                assertEquals(ln.getKey(), c.getKey());
            }
            assertEquals(false, c.getNext());
        }
    };
    getNext.run();
    long a = saveTree();
    getNext.run();
    reopen();
    getNext.setTree(openTree(a, true));
    getNext.run();
}

Example 9 with Cursor

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

the class TreeCursorDuplicatesTest method testCount.

@Test
public void testCount() throws IOException {
    final TreeAwareRunnable count = new TreeAwareRunnable(getTreeMutable()) {

        @Override
        public void run() {
            Cursor c = _t.openCursor();
            assertEquals(value("v1"), c.getSearchKey(key(1)));
            assertEquals(1, c.count());
            assertEquals(value("v51"), c.getSearchKey(key(5)));
            assertEquals(3, c.count());
            assertEquals(value("v12"), c.getSearchKey(key(12)));
            assertEquals(1, c.count());
        }
    };
    count.run();
    long a = saveTree();
    count.run();
    reopen();
    count.setTree(openTree(a, true));
    count.run();
}

Example 10 with Cursor

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

the class TreeCursorDuplicatesTest method testGetSearchBothRange3.

@Test
public void testGetSearchBothRange3() throws IOException {
    tm = createMutableTree(true, 1);
    getTreeMutable().put(kv(5, "v51"));
    getTreeMutable().put(kv(5, "v52"));
    getTreeMutable().put(kv(6, "v61"));
    getTreeMutable().put(kv(6, "v62"));
    // assertMatches(getTreeMutable(), IP(BP(3), BP(3)));
    final TreeAwareRunnable getSearchKeyRange = new TreeAwareRunnable(getTreeMutable()) {

        @Override
        public void run() {
            Cursor c = _t.openCursor();
            assertEquals(value("v51"), c.getSearchKeyRange(key(4)));
            assertEquals(key(5), c.getKey());
            assertEquals(null, c.getSearchBothRange(key(5), value("v54")));
            // key unchanged
            assertEquals(key(5), c.getKey());
        }
    };
    getSearchKeyRange.run();
    long a = saveTree();
    getSearchKeyRange.run();
    reopen();
    getSearchKeyRange.setTree(openTree(a, true));
    getSearchKeyRange.run();
}