com.streamsets.pipeline.api.ext.ContextExtensions Maven / Gradle / Ivy
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/*
* Copyright 2017 StreamSets Inc.
*
* 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 com.streamsets.pipeline.api.ext;
import com.streamsets.pipeline.api.StageException;
import com.streamsets.pipeline.api.ext.json.Mode;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.Writer;
import java.util.List;
public interface ContextExtensions {
RecordReader createRecordReader(InputStream inputStream, long initialPosition, int maxObjectLen)
throws IOException;
RecordWriter createRecordWriter(OutputStream outputStream) throws IOException;
void notify(List addresses, String subject, String body) throws StageException;
Sampler getSampler();
/* JSON Parser / Generator Abstractions */
JsonObjectReader createJsonObjectReader(Reader reader, long initialPosition, int maxObjectLen, Mode mode, Class objectClass) throws IOException;
JsonObjectReader createJsonObjectReader(Reader reader, long initialPosition, Mode mode, Class objectClass) throws IOException;
JsonRecordWriter createJsonRecordWriter(Writer writer, Mode mode) throws IOException;
}