io.trino.hive.formats.line.LineReader Maven / Gradle / Ivy
/*
* 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 io.trino.hive.formats.line;
import java.io.Closeable;
import java.io.IOException;
public interface LineReader
extends Closeable
{
boolean isClosed();
long getRetainedSize();
long getBytesRead();
long getReadTimeNanos();
/**
* Read a line into the buffer. If there are no more lines in the stream, this reader is closed.
*
* @return true if a line was read; otherwise, there no more lines and false is returned
*/
boolean readLine(LineBuffer lineBuffer)
throws IOException;
}