@Mock
public int computeX(Invocation inv, int a, int b) {
inputValues.add(a);
inputValues.add(b);
int x = inv.proceed();
outputValues.add(x);
return x;
}
@Mock
public static void validatePublicVoidNoArg(
Invocation invocation, boolean isStatic, List<Throwable> errors) {
FrameworkMethod it = invocation.getInvokedInstance();
if (!isStatic && it.getMethod().getParameterTypes().length > 0) {
it.validatePublicVoid(false, errors);
return;
}
invocation.proceed();
}
@Mock
public int computeX(Invocation inv, int a, int b) {
Integer x;
try {
x = inv.proceed();
return x;
} finally {
// Statements to be executed on exit would be here.
//noinspection UnusedAssignment
x = a + b;
values.add(x);
}
}
@SuppressWarnings({"rawtypes", "unchecked"})
@Override
public Object intercept(Invocation invocation) throws Throwable {
final String name = invocation.getMethod().getName();
final Object target = invocation.getTarget();
if (target instanceof StatementHandler) {
pagination(invocation, (StatementHandler) target);
} else if (target instanceof Executor) {
autoMap(invocation, name);
} else if (target instanceof ResultSetHandler) {
Object result = invocation.proceed();
if (result instanceof List) {
Page page = PAGE_THREAD_LOCAL.get();
if (page != null) {
page.addAll((List) result);
PAGE_THREAD_LOCAL.remove();
return page;
}
}
return result;
}
return invocation.proceed();
}
public Object doPage(Invocation invocation) throws Throwable {
log.debug("进入Executor");
final Object[] args = invocation.getArgs();
RowBounds rowBounds = (RowBounds) args[2];
PageParam pageParam = null; // PageContextHolder.get();
if (args[1] instanceof MapperMethod.ParamMap<?>) {
MapperMethod.ParamMap<?> map = (MapperMethod.ParamMap<?>) args[1];
for (String key : map.keySet()) {
if (key.startsWith("param")) {
Object obj = map.get(key);
if (obj instanceof PageParam) {
pageParam = (PageParam) obj;
} else if (args[1] instanceof MapperMethod.ParamMap<?>) {
args[1] = obj;
}
}
}
}
// 无分页参数
if (pageParam == null) {
log.debug("默认查询");
return invocation.proceed();
}
log.debug("分页查询");
PageWrapper page = new PageWrapper();
MappedStatement ms = (MappedStatement) args[0];
args[2] = RowBounds.DEFAULT;
// 无需分页
if (pageParam.getPageSize() == 0) {
log.debug("全量查询");
Object result = invocation.proceed();
page.addAll((List) result);
page.setPageNo(1);
page.setPageSize(page.size());
page.setTotalPage(1);
page.setTotalCount(page.size());
return page;
}
SqlSource sqlSource = ((MappedStatement) args[0]).getSqlSource();
dialect = DialectFactory.buildDialect(ms.getConfiguration());
// 需总数
args[0] = getMappedStatement(ms, sqlSource, args[1], Const.CACHE_KEY_COUNT, MappingEnum.INT);
Object resultCount = invocation.proceed();
int totalCount = ((Integer) ((List) resultCount).get(0));
log.debug("总条数查询为 {}", totalCount);
page.setTotalCount(totalCount);
page.setPageNo(pageParam.getPageNo());
page.setPageSize(pageParam.getPageSize());
// 提升效率：count为0不再分页查
if (page.getTotalCount() == 0) {
return page;
}
// 需分页
// 便捷查询：pageSize<=0 仅查询count
if (pageParam.getPageSize() > 0) {
args[0] =
getMappedStatement(ms, sqlSource, args[1], Const.CACHE_KEY_PAGE, MappingEnum.DEFAULT);
args[1] = setParameter((MappedStatement) args[0], args[1], pageParam, dialect);
Object result = invocation.proceed();
page.addAll((List) result);
log.debug("分页查询结束 {}", pageParam);
}
return page;
}
@Mock
public String getConfig(Invocation inv) {
String config = inv.proceed();
assertNull(config);
return "test";
}
@Mock
public int computeX(Invocation inv, int a, int b) {
values.add(a + b);
return inv.proceed();
}