com.epam.deltix.qsrv.hf.pub.RawMessageAppender Maven / Gradle / Ivy
/*
* Copyright 2024 EPAM Systems, Inc
*
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership. 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.epam.deltix.qsrv.hf.pub;
import com.epam.deltix.qsrv.hf.pub.codec.InterpretingCodecMetaFactory;
import com.epam.deltix.qsrv.hf.pub.codec.NonStaticFieldInfo;
import com.epam.deltix.qsrv.hf.pub.codec.UnboundDecoder;
import com.epam.deltix.qsrv.hf.pub.md.*;
import com.epam.deltix.util.collections.generated.ObjectToObjectHashMap;
/**
* Base class for implementing different appenders, that consume {@link RawMessage}.
*/
public interface RawMessageAppender {
ObjectToObjectHashMap DECODERS = new ObjectToObjectHashMap<>();
boolean appendTimestamp(final long timestamp, final T appendable);
boolean appendNanoTime(final long nanoTime, final T appendable);
boolean appendSymbol(final CharSequence symbol, final T appendable);
//boolean appendInstrumentType(final InstrumentType type, final T appendable);
boolean appendType(final RecordClassDescriptor type, final T appendable);
boolean append(final String name, final long value, final T appendable);
boolean append(final String name, final int value, final T appendable);
boolean append(final String name, final double value, final T appendable);
boolean append(final String name, final float value, final T appendable);
boolean append(final String name, final boolean value, final T appendable);
boolean append(final String name, final String value, final T appendable);
boolean append(final String name, final char value, final T appendable);
default boolean appendField(final String name, final IntegerDataType intType, final ReadableValue decoder, final T appendable) {
if (intType.getNativeTypeSize() >= 6) {
long value = decoder.getLong();
return append(name, value, appendable);
} else {
int value = decoder.getInt();
return append(name, value, appendable);
}
}
default boolean appendField(final String name, final FloatDataType floatType, final ReadableValue decoder, final T appendable) {
if (floatType.isFloat()) {
float value = decoder.getFloat();
return append(name, value, appendable);
} else if (floatType.isDecimal64()) {
long value = decoder.getLong();
return append(name, value, appendable);
} else {
double value = decoder.getDouble();
return append(name, value, appendable);
}
}
default boolean appendField(final String name, final BooleanDataType booleanType, final ReadableValue decoder, final T appendable) {
boolean value = decoder.getBoolean();
return append(name, value, appendable);
}
default boolean appendField(final String name, final DateTimeDataType dateTimeType, final ReadableValue decoder, final T appendable) {
long value = decoder.getLong();
return append(name, value, appendable);
}
default boolean appendField(final String name, final TimeOfDayDataType timeOfDayType, final ReadableValue decoder, final T appendable) {
int value = decoder.getInt();
return append(name, value, appendable);
}
default boolean appendField(final String name, final VarcharDataType varcharType, final ReadableValue decoder, final T appendable) {
String value = decoder.getString();
return append(name, value, appendable);
}
default boolean appendField(final String name, final CharDataType charType, final ReadableValue decoder, final T appendable) {
char value = decoder.getChar();
return append(name, value, appendable);
}
default boolean appendField(final String name, final EnumDataType enumType, final ReadableValue decoder, final T appendable) {
long ordinal = decoder.getLong();
String value = enumType.descriptor.longToString(ordinal);
return append(name, value, appendable);
}
default boolean appendField(final String name, final ClassDataType classType, final ReadableValue decoder, final T appendable) {
// toDo
return false;
}
default boolean appendField(final String name, final ArrayDataType arrayType, final ReadableValue decoder, final T appendable) {
// toDo
return false;
}
default boolean appendField(final NonStaticFieldInfo fieldInfo, final ReadableValue decoder, final T appendable) {
DataType type = fieldInfo.getType();
if (type instanceof ClassDataType || type instanceof ArrayDataType) {
return appendComplex(fieldInfo, decoder, appendable);
} else {
return appendPrimitive(fieldInfo, decoder, appendable);
}
}
default boolean appendPrimitive(final NonStaticFieldInfo fieldInfo, final ReadableValue decoder, final T appendable) {
DataType type = fieldInfo.getType();
String name = fieldInfo.getName();
if (type instanceof IntegerDataType) {
IntegerDataType intType = (IntegerDataType) type;
return appendField(name, intType, decoder, appendable);
} else if (type instanceof FloatDataType) {
FloatDataType floatType = (FloatDataType) type;
return appendField(name, floatType, decoder, appendable);
} else if (type instanceof BooleanDataType) {
BooleanDataType booleanType = (BooleanDataType) type;
return appendField(name, booleanType, decoder, appendable);
} else if (type instanceof DateTimeDataType) {
DateTimeDataType dateTimeType = (DateTimeDataType) type;
return appendField(name, dateTimeType, decoder, appendable);
} else if (type instanceof TimeOfDayDataType) {
TimeOfDayDataType timeOfDayType = (TimeOfDayDataType) type;
return appendField(name, timeOfDayType, decoder, appendable);
} else if (type instanceof VarcharDataType) {
VarcharDataType varcharType = (VarcharDataType) type;
return appendField(name, varcharType, decoder, appendable);
} else if (type instanceof CharDataType) {
CharDataType charType = (CharDataType) type;
return appendField(name, charType, decoder, appendable);
} else if (type instanceof EnumDataType) {
EnumDataType enumType = (EnumDataType) type;
return appendField(name, enumType, decoder, appendable);
} else {
throw new UnsupportedOperationException(String.format("Unsupported type %s.", type.getClass().getName()));
}
}
default boolean appendComplex(final NonStaticFieldInfo fieldInfo, final ReadableValue decoder, final T appendable) {
DataType type = fieldInfo.getType();
String name = fieldInfo.getName();
if (type instanceof ClassDataType) {
ClassDataType classType = (ClassDataType) type;
return appendField(name, classType, decoder, appendable);
} else if (type instanceof ArrayDataType) {
ArrayDataType arrayType = (ArrayDataType) type;
return appendField(name, arrayType, decoder, appendable);
} else {
throw new UnsupportedOperationException(String.format("Unsupported type %s.", type.getClass().getName()));
}
}
default boolean appendHeader(final RawMessage raw, final T appendable) {
appendTimestamp(raw.getTimeStampMs(), appendable);
appendNanoTime(raw.getNanoTime(), appendable);
appendSymbol(raw.getSymbol(), appendable);
//appendInstrumentType(raw.getInstrumentType(), appendable);
appendType(raw.type, appendable);
return true;
}
default boolean append(final RawMessage raw, final T appendable) {
final UnboundDecoder decoder = getDecoder(raw.type);
appendHeader(raw, appendable);
while (decoder.nextField()) {
final NonStaticFieldInfo fieldInfo = decoder.getField();
appendField(fieldInfo, decoder, appendable);
}
return true;
}
static UnboundDecoder getDecoder(final RecordClassDescriptor type) {
final String guid = type.getGuid();
UnboundDecoder decoder;
synchronized (DECODERS) {
decoder = DECODERS.get(guid, null);
if (decoder == null) {
decoder = InterpretingCodecMetaFactory.INSTANCE.createFixedUnboundDecoderFactory(type).create();
DECODERS.put(guid, decoder);
}
}
return decoder;
}
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