/*
* Copyright 2017 the original author or authors.
*
* Licensed 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.springframework.data.domain;
/**
* {@link Pageable} implementation to represent the absence of pagination information.
*
* @author Oliver Gierke
*/
enum Unpaged implements Pageable {
INSTANCE;
/*
* (non-Javadoc)
* @see org.springframework.data.domain.Pageable#isPaged()
*/
@Override
public boolean isPaged() {
return false;
}
/*
* (non-Javadoc)
* @see org.springframework.data.domain.Pageable#previousOrFirst()
*/
@Override
public Pageable previousOrFirst() {
return this;
}
/*
* (non-Javadoc)
* @see org.springframework.data.domain.Pageable#next()
*/
@Override
public Pageable next() {
return this;
}
/*
* (non-Javadoc)
* @see org.springframework.data.domain.Pageable#hasPrevious()
*/
@Override
public boolean hasPrevious() {
return false;
}
/*
* (non-Javadoc)
* @see org.springframework.data.domain.Pageable#getSort()
*/
@Override
public Sort getSort() {
return Sort.unsorted();
}
/*
* (non-Javadoc)
* @see org.springframework.data.domain.Pageable#getPageSize()
*/
@Override
public int getPageSize() {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see org.springframework.data.domain.Pageable#getPageNumber()
*/
@Override
public int getPageNumber() {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see org.springframework.data.domain.Pageable#getOffset()
*/
@Override
public long getOffset() {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see org.springframework.data.domain.Pageable#first()
*/
@Override
public Pageable first() {
return this;
}
}