sunjincheng121 commented on a change in pull request #7976: [FLINK-11908] Port window classes into flink-api-java URL: https://github.com/apache/flink/pull/7976#discussion_r265430557
########## File path: flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/Tumble.java ########## @@ -0,0 +1,88 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.flink.table.api; + +import org.apache.flink.annotation.PublicEvolving; +import org.apache.flink.table.expressions.Expression; + +import java.lang.reflect.Constructor; + +/** + * Helper class for creating a tumbling window. Tumbling windows are consecutive, non-overlapping + * windows of a specified fixed length. For example, a tumbling window of 5 minutes size groups + * elements in 5 minutes intervals. + * + * <p>Java users should use the methods with parameters of String type, while Scala users should use + * the methods with parameters of Expression type. Review comment: Same as above. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
