net.openhft.chronicle.wire.internal.StringConsumerMarshallableOut Maven / Gradle / Ivy
/*
* Copyright 2016-2022 chronicle.software
*
* https://chronicle.software
*
* 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 net.openhft.chronicle.wire.internal;
import net.openhft.chronicle.bytes.Bytes;
import net.openhft.chronicle.wire.*;
import java.util.function.Consumer;
/**
* An implementation of {@link MarshallableOut} that serializes {@link Marshallable} objects and forwards
* the serialized string representation to a provided {@link Consumer}.
*
* The class encapsulates a {@link Wire} to hold the serialized representation. Upon closing of a document context,
* the serialized content is converted to a string and passed to the given string consumer.
*/
public class StringConsumerMarshallableOut implements MarshallableOut {
// Consumer to process the serialized string representation
private Consumer stringConsumer;
// Wire object responsible for serialization
private Wire wire;
// Document context holder for managing the wire and forwarding the serialized content to the stringConsumer
private final DocumentContextHolder dcHolder = new DocumentContextHolder() {
@Override
public void close() {
if (chainedElement())
return;
super.close();
if (wire.bytes().isEmpty())
return;
stringConsumer.accept(wire.bytes().toString());
wire.clear();
}
};
/**
* Constructs a StringConsumerMarshallableOut object with the provided string consumer and wire type.
*
* @param stringConsumer The consumer to process serialized string representation.
* @param wireType The type of Wire used for serialization.
*/
public StringConsumerMarshallableOut(Consumer stringConsumer, WireType wireType) {
this.stringConsumer = stringConsumer;
this.wire = wireType.apply(Bytes.allocateElasticOnHeap());
}
@Override
public DocumentContext writingDocument(boolean metaData) throws UnrecoverableTimeoutException {
dcHolder.documentContext(wire.writingDocument(metaData));
return dcHolder;
}
@Override
public DocumentContext acquireWritingDocument(boolean metaData) throws UnrecoverableTimeoutException {
dcHolder.documentContext(wire.acquireWritingDocument(metaData));
return dcHolder;
}
}