Example usage for java.util Queue clear

Introduction

In this page you can find the example usage for java.util Queue clear.

Prototype

void clear();

Source Link

Document

Removes all of the elements from this collection (optional operation).

Usage

From source file:org.kuali.rice.krad.uif.util.ComponentUtils.java

/**
 * Get all nested children of a given component.
 *
 * @param component The component to search.
 * @return All nested children of the component.
 * @see ViewLifecycleUtils#getElementsForLifecycle(LifecycleElement)
 *//*from   ww  w . ja  v a  2  s.  co  m*/
public static List<Component> getAllNestedComponents(Component component) {
    if (component == null) {
        return Collections.emptyList();
    }

    List<Component> components = Collections.emptyList();
    @SuppressWarnings("unchecked")
    Queue<LifecycleElement> elementQueue = RecycleUtils.getInstance(LinkedList.class);
    elementQueue.offer(component);

    try {
        while (!elementQueue.isEmpty()) {
            LifecycleElement currentElement = elementQueue.poll();

            if (currentElement == null) {
                continue;
            }

            if (currentElement instanceof Component && currentElement != component) {
                if (components.isEmpty()) {
                    components = new ArrayList<Component>();
                }

                components.add((Component) currentElement);
            }

            elementQueue.addAll(ViewLifecycleUtils.getElementsForLifecycle(currentElement).values());
        }
    } finally {
        elementQueue.clear();
        RecycleUtils.recycle(elementQueue);
    }

    return components;
}

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From source file:org.kuali.rice.krad.uif.util.ComponentUtils.java

public static void prefixBindingPathNested(Component component, String addBindingPrefix) {
    @SuppressWarnings("unchecked")
    Queue<LifecycleElement> elementQueue = RecycleUtils.getInstance(LinkedList.class);
    elementQueue.offer(component);//from w w  w .j  a va2s  .c o  m

    try {
        while (!elementQueue.isEmpty()) {
            LifecycleElement currentElement = elementQueue.poll();
            if (currentElement == null) {
                continue;
            }

            if (currentElement instanceof DataBinding) {
                if (LOG.isDebugEnabled()) {
                    LOG.info("setting nested binding prefix '" + addBindingPrefix + "' on " + currentElement);
                }
                prefixBindingPath((DataBinding) currentElement, addBindingPrefix);
            }

            elementQueue.addAll(ViewLifecycleUtils.getElementsForLifecycle(currentElement).values());
        }
    } finally {
        elementQueue.clear();
        RecycleUtils.recycle(elementQueue);
    }
}

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From source file:com.nearinfinity.hbase.dsl.HBase.java

private void flushPuts(byte[] tableName, Queue<Put> puts) {
    HTableInterface table = pool.getTable(tableName);
    try {/* w w w .j a  v a 2  s  .  co  m*/
        table.put(new ArrayList<Put>(puts));
    } catch (IOException e) {
        throw new RuntimeException(e);
    } finally {
        try {
            pool.putTable(table);
        } catch (IOException e) {
            LOG.error("pool table ", e);
        }
    }
    puts.clear();
}

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From source file:com.nearinfinity.hbase.dsl.HBase.java

private void flushDeletes(byte[] tableName, Queue<Delete> deletes) {
    HTableInterface table = pool.getTable(tableName);
    try {//from w ww .  j ava2 s.c  o  m
        table.delete(new ArrayList<Delete>(deletes));
    } catch (IOException e) {
        throw new RuntimeException(e);
    } finally {
        try {
            pool.putTable(table);
        } catch (IOException e) {
            LOG.error("pool table ", e);
        }

    }
    deletes.clear();
}

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From source file:org.kuali.rice.krad.uif.util.ComponentUtils.java

/**
 * Replace all IDs from a component and its children with new generated ID values.
 *
 * <p>If there are features that depend on a static id of this
 * component, this call may cause errors.</p>
 *
 * @param components A list of component to clear all IDs from.
 * @see AssignIdsTask For a complete description of the algorithm.
 *//*  ww w  . ja v  a  2s.c om*/
public static void clearAndAssignIds(List<? extends Component> components) {
    if (components == null || components.isEmpty()) {
        return;
    }

    int hash = 1;
    @SuppressWarnings("unchecked")
    Queue<LifecycleElement> toClear = RecycleUtils.getInstance(LinkedList.class);
    toClear.addAll(components);
    try {
        while (!toClear.isEmpty()) {
            LifecycleElement element = toClear.poll();

            hash = generateId(element, hash);

            for (LifecycleElement nested : ViewLifecycleUtils.getElementsForLifecycle(element).values()) {
                if (nested != null) {
                    toClear.add(nested);
                }
            }

            if (element instanceof Component) {
                List<Component> propertyReplacerComponents = ((Component) element)
                        .getPropertyReplacerComponents();
                if (propertyReplacerComponents == null) {
                    continue;
                }

                for (Component nested : propertyReplacerComponents) {
                    if (nested != null) {
                        toClear.add(nested);
                    }
                }
            }
        }
    } finally {
        toClear.clear();
        RecycleUtils.recycle(toClear);
    }
}

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From source file:org.kuali.rice.krad.uif.util.ComponentUtils.java

/**
 * Traverse a component tree, setting a property on all components for which the property is writable.
 *
 * @param <T> component type/*from w  w w .j  av a2s. co m*/
 * @param <T> component type
 * @param components The components to traverse.
 * @param propertyPath The property path to set.
 * @param propertyValue The property value to set.
 * @see ObjectPropertyUtils#isWritableProperty(Object, String)
 * @see ObjectPropertyUtils#setPropertyValue(Object, String, Object)
 */
public static <T extends Component> void setComponentsPropertyDeep(List<T> components, String propertyPath,
        Object propertyValue) {
    if (components == null || components.isEmpty()) {
        return;
    }

    Set<Class<?>> skipTypes = null;
    @SuppressWarnings("unchecked")
    Queue<LifecycleElement> elementQueue = RecycleUtils.getInstance(LinkedList.class);
    elementQueue.addAll(components);

    try {
        while (!elementQueue.isEmpty()) {
            LifecycleElement currentElement = elementQueue.poll();
            if (currentElement == null) {
                continue;
            }

            elementQueue.addAll(ViewLifecycleUtils.getElementsForLifecycle(currentElement).values());

            Class<?> componentClass = currentElement.getClass();
            if (skipTypes != null && skipTypes.contains(componentClass)) {
                continue;
            }

            if (!ObjectPropertyUtils.isWritableProperty(currentElement, propertyPath)) {
                if (skipTypes == null) {
                    skipTypes = new HashSet<Class<?>>();
                }
                skipTypes.add(componentClass);
                continue;
            }

            ObjectPropertyUtils.setPropertyValue(currentElement, propertyPath, propertyValue, true);
        }
    } finally {
        elementQueue.clear();
        RecycleUtils.recycle(elementQueue);
    }
}

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From source file:com.mtgi.analytics.XmlBehaviorEventPersisterImpl.java

public void persist(Queue<BehaviorEvent> events) {
    try {/*  www  .j av a  2s. com*/
        BehaviorEventSerializer serializer = new BehaviorEventSerializer();

        for (BehaviorEvent event : events) {
            if (event.getId() == null)
                event.setId(randomUUID());

            BehaviorEvent parent = event.getParent();
            if (parent != null && parent.getId() == null)
                parent.setId(randomUUID());

            synchronized (this) {
                serializer.serialize(writer, event);
                writer.writeCharacters("\n");
            }
        }

        synchronized (this) {
            writer.flush();
            stream.flush();
        }

    } catch (Exception error) {
        log.error("Error persisting events; discarding " + events.size() + " events without saving", error);
        events.clear();
    }
}

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From source file:org.kuali.rice.krad.uif.element.ValidationMessages.java

/**
 * Adds all group keys of this component (starting from this component itself) by calling getKeys on each of
 * its nested group's ValidationMessages and adding them to the list.
 *
 * @param keyList/*ww  w .  j  ava2s . c o  m*/
 * @param component
 */
protected void addNestedGroupKeys(Collection<String> keyList, Component component) {
    @SuppressWarnings("unchecked")
    Queue<LifecycleElement> elementQueue = RecycleUtils.getInstance(LinkedList.class);
    try {
        elementQueue.addAll(ViewLifecycleUtils.getElementsForLifecycle(component).values());
        while (!elementQueue.isEmpty()) {
            LifecycleElement element = elementQueue.poll();

            ValidationMessages ef = null;
            if (element instanceof ContainerBase) {
                ef = ((ContainerBase) element).getValidationMessages();
            } else if (element instanceof FieldGroup) {
                ef = ((FieldGroup) element).getGroup().getValidationMessages();
            }

            if (ef != null) {
                keyList.addAll(ef.getKeys((Component) element));
            }

            elementQueue.addAll(ViewLifecycleUtils.getElementsForLifecycle(element).values());
        }
    } finally {
        elementQueue.clear();
        RecycleUtils.recycle(elementQueue);
    }
}

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From source file:candr.yoclip.ParserTest.java

@Test
public void getParsedOptionProperty() {
    final ParserOption<ParserTest> mockOptionProperty = createMockOptionProperty("T");
    final List<ParserOption<ParserTest>> parserOptions = Arrays.asList(mockOptionProperty);

    final ParserOptions<ParserTest> mockParserOptions = createMockParserParameters("++");
    when(mockParserOptions.get()).thenReturn(parserOptions);
    when(mockParserOptions.get("T")).thenReturn(mockOptionProperty);

    final Queue<String> parameters = new LinkedList<String>();

    final Parser<ParserTest> testCase = new Parser<ParserTest>(mockParserOptions,
            createMockParserHelpFactory());
    assertThat("empty queue", testCase.getParsedOptionProperty(parameters), nullValue());

    final String expectedArgument = "argument";
    parameters.add(expectedArgument);//from w  w  w.jav a 2 s.  c  om
    assertThat("parsed parameter with argument", testCase.getParsedOptionProperty(parameters), nullValue());
    assertThat("queue size after parsed parameter error", parameters.size(), is(1));

    parameters.clear();
    parameters.add("++Tfoo=bar");
    final ParsedOption<ParserTest> parsedOption = testCase.getParsedOptionProperty(parameters);
    assertThat("ParsedOption error", parsedOption.isError(), is(false));
    assertThat("parser option", parsedOption.getParserOption(), is(mockOptionProperty));
    assertThat("value", parsedOption.getValue(), is("foo=bar"));
    assertThat("queue size after parsed parameter", parameters.size(), is(0));

    parameters.add("++Dfoo=bar");
    assertThat("property not matched", testCase.getParsedOptionProperty(parameters), nullValue());
}

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From source file:com.aviary.android.feather.sdk.widget.AviaryWorkspace.java

private void emptyRecycler() {
    if (null != mRecycleBin) {
        while (mRecycleBin.size() > 0) {
            Queue<View> recycler = mRecycleBin.remove(0);
            recycler.clear();
        }/*from   w  ww .  ja v a  2 s  .c o m*/
        mRecycleBin.clear();
    }
}

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