Examples with TraversableTreeNode org.apache.ignite.internal.configuration.tree.TraversableTreeNode used on opensource projects

Example 1 with TraversableTreeNode

use of org.apache.ignite.internal.configuration.tree.TraversableTreeNode in project ignite-3 by apache.

the class ConfigurationUtilTest method findUnsuccessfully.

/**
 * Tests that {@link ConfigurationUtil#find(List, TraversableTreeNode, boolean)} throws {@link KeyNotFoundException} when provided with
 * a wrong path.
 */
@Test
public void findUnsuccessfully() {
    InnerNode parentNode = newNodeInstance(ParentConfigurationSchema.class);
    ParentChange parentChange = (ParentChange) parentNode;
    assertThrows(KeyNotFoundException.class, () -> ConfigurationUtil.find(List.of("elements", "name", "child"), parentNode, true));
    parentChange.changeElements(elements -> elements.createOrUpdate("name", element -> {
    }));
    assertThrows(KeyNotFoundException.class, () -> ConfigurationUtil.find(List.of("elements", "name", "child", "str0"), parentNode, true));
    ((NamedElementChange) parentChange.elements().get("name")).changeChild(child -> child.changeStr("value"));
    assertThrows(KeyNotFoundException.class, () -> ConfigurationUtil.find(List.of("elements", "name", "child", "str", "foo"), parentNode, true));
}

Example 2 with TraversableTreeNode

use of org.apache.ignite.internal.configuration.tree.TraversableTreeNode in project ignite-3 by apache.

the class ConfigurationNode method refreshValue.

/**
 * Returns latest value of the configuration or throws exception.
 *
 * @return Latest configuration value.
 * @throws NoSuchElementException           If configuration is a part of already deleted named list configuration entry.
 * @throws ConfigurationListenOnlyException If there was an attempt to get or update a property value in {@link #listenOnly listen-only}
 *                                          mode.
 */
protected final VIEWT refreshValue() throws NoSuchElementException {
    TraversableTreeNode newRootNode = changer.getRootNode(rootKey);
    TraversableTreeNode oldRootNode = cachedRootNode;
    // 'invalid' and 'val' visibility is guaranteed by the 'cachedRootNode' volatile read
    if (invalid) {
        throw noSuchElementException();
    } else if (listenOnly) {
        throw listenOnlyException();
    }
    if (oldRootNode == newRootNode) {
        return val;
    }
    try {
        VIEWT newVal = ConfigurationUtil.find(keys.subList(1, keys.size()), newRootNode, true);
        synchronized (this) {
            if (cachedRootNode == oldRootNode) {
                beforeRefreshValue(newVal, val);
                val = newVal;
                cachedRootNode = newRootNode;
                return newVal;
            } else {
                if (invalid) {
                    throw noSuchElementException();
                }
                return val;
            }
        }
    } catch (KeyNotFoundException e) {
        synchronized (this) {
            invalid = true;
            cachedRootNode = newRootNode;
        }
        throw noSuchElementException();
    }
}

Example 3 with TraversableTreeNode

use of org.apache.ignite.internal.configuration.tree.TraversableTreeNode in project ignite-3 by apache.

the class ConfigurationUtilTest method findNulls.

/**
 * Tests that {@link ConfigurationUtil#find(List, TraversableTreeNode, boolean)} returns null when path points to nonexistent named list
 * element.
 */
@Test
public void findNulls() {
    InnerNode parentNode = newNodeInstance(ParentConfigurationSchema.class);
    ParentChange parentChange = (ParentChange) parentNode;
    assertNull(ConfigurationUtil.find(List.of("elements", "name"), parentNode, true));
    parentChange.changeElements(elements -> elements.createOrUpdate("name", element -> {
    }));
    assertNull(ConfigurationUtil.find(List.of("elements", "name", "child", "str"), parentNode, true));
}

Example 4 with TraversableTreeNode

use of org.apache.ignite.internal.configuration.tree.TraversableTreeNode in project ignite-3 by apache.

the class ConfigurationUtilTest method findSuccessfully.

/**
 * Tests that {@link ConfigurationUtil#find(List, TraversableTreeNode, boolean)} finds proper node when provided with correct path.
 */
@Test
public void findSuccessfully() {
    InnerNode parentNode = newNodeInstance(ParentConfigurationSchema.class);
    ParentChange parentChange = (ParentChange) parentNode;
    parentChange.changeElements(elements -> elements.createOrUpdate("name", element -> element.changeChild(child -> child.changeStr("value"))));
    assertSame(parentNode, ConfigurationUtil.find(List.of(), parentNode, true));
    assertSame(parentChange.elements(), ConfigurationUtil.find(List.of("elements"), parentNode, true));
    assertSame(parentChange.elements().get("name"), ConfigurationUtil.find(List.of("elements", "name"), parentNode, true));
    assertSame(parentChange.elements().get("name").child(), ConfigurationUtil.find(List.of("elements", "name", "child"), parentNode, true));
    assertSame(parentChange.elements().get("name").child().str(), ConfigurationUtil.find(List.of("elements", "name", "child", "str"), parentNode, true));
}