github.com/dubbogo/gost@v1.14.0/hash/page/pager.go (about)

     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  See the NOTICE file distributed with
     4   * this work for additional information regarding copyright ownership.
     5   * The ASF licenses this file to You under the Apache License, Version 2.0
     6   * (the "License"); you may not use this file except in compliance with
     7   * the License.  You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package gxpage
    19  
    20  // Pager is the abstraction for pagination usage.
    21  type Pager interface {
    22  
    23  	// GetOffset will return the offset
    24  	GetOffset() int
    25  
    26  	// GetPageSize will return the page size
    27  	GetPageSize() int
    28  
    29  	// GetTotalPages will return the number of total pages
    30  	GetTotalPages() int
    31  
    32  	// GetData will return the data
    33  	GetData() []interface{}
    34  
    35  	// GetDataSize will return the size of data.
    36  	// Usually it's len(GetData())
    37  	GetDataSize() int
    38  
    39  	// HasNext will return whether has next page
    40  	HasNext() bool
    41  
    42  	// HasData will return whether this page has data.
    43  	HasData() bool
    44  }