Java ExtLibUtil.getRequestScope方法代码示例

import com.ibm.xsp.extlib.util.ExtLibUtil; //导入方法依赖的package包/类
protected ViewNavigator getNavigator() {
	final Map<String, Object> requestScope = ExtLibUtil.getRequestScope();
	final String key = "viewnav-" + this.toString();
	if (!requestScope.containsKey(key)) {
		requestScope.put(key, getNewNavigator());
	}
	return (ViewNavigator) requestScope.get(key);
}
 

import com.ibm.xsp.extlib.util.ExtLibUtil; //导入方法依赖的package包/类
protected ViewEntryCollection getEntries() {
	final Map<String, Object> requestScope = ExtLibUtil.getRequestScope();
	final String key = "viewentries-" + this.toString();
	if (!requestScope.containsKey(key)) {
		View view = getView();
		if (getResortColumn() != null) {
			view.FTSearchSorted(searchQuery_, 0, getResortColumn(), isAscending(), false, false, false);
		} else {
			view.FTSearch(searchQuery_);
		}

		requestScope.put(key, view.getAllEntries());
	}
	return (ViewEntryCollection) requestScope.get(key);
}
 

import com.ibm.xsp.extlib.util.ExtLibUtil; //导入方法依赖的package包/类
public final void clearCache() {
	getCache().clear();
	getView().refresh();

	final Map<String, Object> requestScope = ExtLibUtil.getRequestScope();
	String thisToString = this.toString();
	requestScope.remove("viewnav-" + thisToString);
	requestScope.remove("viewentries-" + thisToString);
	requestScope.remove("lastFetchedIndex-" + thisToString);
}
 

import com.ibm.xsp.extlib.util.ExtLibUtil; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
private Map<Integer, E> getCache() {
	Map<String, Object> cacheScope = ExtLibUtil.getRequestScope();
	String key = toString() + "_entrycache";
	if (!cacheScope.containsKey(key)) {
		cacheScope.put(key, new HashMap<Integer, E>());
	}
	return (Map<Integer, E>) cacheScope.get(key);
}
 

import com.ibm.xsp.extlib.util.ExtLibUtil; //导入方法依赖的package包/类
protected ViewEntryCollection getEntries() {
	final Map<String, Object> requestScope = ExtLibUtil.getRequestScope();
	final String key = "viewentries-" + this.toString();
	if (!requestScope.containsKey(key)) {
		View view = getView();
		if (sortColumn_ != null) {
			view.FTSearchSorted(searchQuery_, 0, sortColumn_, ascending_, false, false, false);
		} else {
			view.FTSearch(searchQuery_);
		}

		requestScope.put(key, view.getAllEntries());
	}
	return (ViewEntryCollection) requestScope.get(key);
}
 

import com.ibm.xsp.extlib.util.ExtLibUtil; //导入方法依赖的package包/类
@SuppressWarnings("deprecation")
public E get(final int index) {
	if(invalid_) { return null; }

	if (!getCache().containsKey(index)) {
		try {
			if (searchQuery_ == null || searchQuery_.isEmpty()) {
				ViewNavigator nav = getNavigator();

				// getNth is top-level only, so let's skip to what we need
				int lastFetchedIndex = 0;
				Map<String, Object> requestScope = ExtLibUtil.getRequestScope();
				String key = "lastFetchedIndex-" + toString();
				if (requestScope.containsKey(key)) {
					lastFetchedIndex = (Integer) requestScope.get(key);
				}
				nav.skip(index - lastFetchedIndex);

				requestScope.put(key, index);

				// If we're in a collapsed category, we have to skip further
				// TODO make this work with multi-level categories
				try {
					getCache().put(index, createFromViewEntry(nav.getCurrent(), columnInfo_));
				} catch(NullPointerException npe) {
					// Then we've probably hit an "Object has been removed or recycled" on the nav

					if(!reset_) {
						reset_ = true;
						clearCache();
						return get(index);
					}

					System.out.println("=============================== NPE in DominoModelList");
					System.out.println("=============================== Current class: " + getClass().getName());
					System.out.println("=============================== Desired index: " + index);
					System.out.println("=============================== Current cache: " + getCache());
					System.out.println("=============================== Current reported size: " + size());
					throw npe;
				}
			} else {
				ViewEntryCollection vec = getEntries();
				getCache().put(index, createFromViewEntry(vec.getNthEntry(index + 1), columnInfo_));
			}
		} catch (Exception e) {
			throw new RuntimeException(e);
		}
	}
	return getCache().get(index);
}
 

import com.ibm.xsp.extlib.util.ExtLibUtil; //导入方法依赖的package包/类
@SuppressWarnings("deprecation")
public E get(final int index) {
	if(invalid_) { return null; }

	if (!getCache().containsKey(index)) {
		try {
			if (searchQuery_ == null || searchQuery_.isEmpty()) {
				ViewNavigator nav = getNavigator();

				// getNth is top-level only, so let's skip to what we need
				int lastFetchedIndex = 0;
				Map<String, Object> requestScope = ExtLibUtil.getRequestScope();
				String key = "lastFetchedIndex-" + toString();
				if (requestScope.containsKey(key)) {
					lastFetchedIndex = (Integer) requestScope.get(key);
				}
				nav.skip(index - lastFetchedIndex);

				requestScope.put(key, index);

				// If we're in a collapsed category, we have to skip further
				// TODO make this work with multi-level categories
				try {
					// Test to see if the nav itself is the problem in the NPE
					//						@SuppressWarnings("unused")
					//int count = nav.getCount();

					ViewEntry current = nav.getCurrent();
					String currentPosition = current.getPosition('.');
					if (currentPosition.contains(".")) {
						int topLevel = Integer.valueOf(ModelUtils.strLeft(currentPosition, "."));
						for (String position : collapsedPositions_.keySet()) {
							int collapseIndex = Integer.valueOf(position.contains(".") ? ModelUtils.strLeft(position, ".") : position);
							if (currentPosition.startsWith(position + ".")) {
								//int skipCount = current.getSiblingCount() - Integer.valueOf(ModelUtils.strRightBack(currentPosition, ".")) + 1;
								//nav.skip(skipCount);
								//break;
							}
							if (collapseIndex <= topLevel) {
								nav.skip(collapsedPositions_.get(position));
							}
						}
					}

					//getCache().put(index, createFromViewEntry(nav.getNth(index + 1), columnInfo_));
					getCache().put(index, createFromViewEntry(nav.getCurrent(), columnInfo_));
					//					System.out.println("fetched index " + index + ", which is pos " + nav.getCurrent().getPosition('.'));
					//					nav.skip(1);
				} catch(NullPointerException npe) {
					// Then we've probably hit an "Object has been removed or recycled" on the nav
					System.out.println("=============================== NPE in DominoModelList");
					System.out.println("=============================== Current class: " + getClass().getName());
					System.out.println("=============================== Desired index: " + index);
					System.out.println("=============================== Current cache: " + getCache());
					System.out.println("=============================== Current reported size: " + size());
					throw npe;
				}
			} else {
				ViewEntryCollection vec = getEntries();
				getCache().put(index, createFromViewEntry(vec.getNthEntry(index + 1), columnInfo_));
			}
		} catch (Exception e) {
			throw new RuntimeException(e);
		}
	}
	return getCache().get(index);
}