io.github.bucket4j.distributed.serialization.SerializationHandle Maven / Gradle / Ivy
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/*-
* ========================LICENSE_START=================================
* Bucket4j
* %%
* Copyright (C) 2015 - 2020 Vladimir Bukhtoyarov
* %%
* 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.
* =========================LICENSE_END==================================
*/
package io.github.bucket4j.distributed.serialization;
import io.github.bucket4j.distributed.versioning.Version;
import java.io.IOException;
import java.util.List;
import java.util.Map;
public interface SerializationHandle {
T deserialize(DeserializationAdapter adapter, I input) throws IOException;
void serialize(SerializationAdapter adapter, O output, T serializableObject, Version backwardCompatibilityVersion, Scope scope) throws IOException;
/**
* @return the type identifier that is unique across all Bucket4j classes
*/
int getTypeId();
Class getSerializedType();
T fromJsonCompatibleSnapshot(Map snapshot) throws IOException;
Map toJsonCompatibleSnapshot(T serializableObject, Version backwardCompatibilityVersion, Scope scope) throws IOException;
/**
* @return the type identifier that is unique across all Bucket4j classes
*/
String getTypeName();
default double[] readDoubleArray(Map snapshot, String fieldName) {
Object object = snapshot.get(fieldName);
if (object instanceof double[]) {
return (double[]) object;
} else if (object instanceof Number[]) {
Number[] array = (Number[]) object;
double[] result = new double[array.length];
for (int i = 0; i < array.length; i++) {
result[i] = array[i].doubleValue();
}
return result;
} else {
List list = (List) object;
double[] result = new double[list.size()];
for (int i = 0; i < list.size(); i++) {
result[i] = list.get(i).doubleValue();
}
return result;
}
}
default long[] readLongArray(Map snapshot, String fieldName) {
Object object = snapshot.get(fieldName);
if (object instanceof long[]) {
return (long[]) object;
} else if (object instanceof Number[]) {
Number[] array = (Number[]) object;
long[] result = new long[array.length];
for (int i = 0; i < array.length; i++) {
result[i] = array[i].longValue();
}
return result;
} else {
List list = (List) object;
long[] result = new long[list.size()];
for (int i = 0; i < list.size(); i++) {
result[i] = list.get(i).longValue();
}
return result;
}
}
default Long readLongValue(Map snapshot, String fieldName) {
Object object = snapshot.get(fieldName);
if (object instanceof Long) {
return (Long) object;
} else {
Number number = (Number) object;
return number.longValue();
}
}
default Long readOptionalLongValue(Map snapshot, String fieldName) {
Object object = snapshot.get(fieldName);
if (object == null) {
return null;
}
if (object instanceof Long) {
return (Long) object;
} else {
Number number = (Number) object;
return number.longValue();
}
}
default Integer readOptionalIntValue(Map snapshot, String fieldName) {
Object object = snapshot.get(fieldName);
if (object == null) {
return null;
}
if (object instanceof Integer) {
return (Integer) object;
} else {
Number number = (Number) object;
return number.intValue();
}
}
default int readIntValue(Map snapshot, String fieldName) {
Object object = snapshot.get(fieldName);
if (object instanceof Integer) {
return (Integer) object;
} else {
Number number = (Number) object;
return number.intValue();
}
}
}