153 lines
5.4 KiB
Java
153 lines
5.4 KiB
Java
package com.esotericsoftware.kryo.serializers;
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import com.esotericsoftware.kryo.Kryo;
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import com.esotericsoftware.kryo.Serializer;
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import com.esotericsoftware.kryo.io.Input;
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import com.esotericsoftware.kryo.io.Output;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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import java.util.Map;
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public class MapSerializer extends Serializer<Map> {
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private Class keyClass;
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private Class keyGenericType;
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private Serializer keySerializer;
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private boolean keysCanBeNull = true;
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private Class valueClass;
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private Class valueGenericType;
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private Serializer valueSerializer;
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private boolean valuesCanBeNull = true;
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@Target({ElementType.FIELD})
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@Retention(RetentionPolicy.RUNTIME)
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public @interface BindMap {
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Class<?> keyClass() default Object.class;
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Class<? extends Serializer> keySerializer() default Serializer.class;
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boolean keysCanBeNull() default true;
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Class<?> valueClass() default Object.class;
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Class<? extends Serializer> valueSerializer() default Serializer.class;
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boolean valuesCanBeNull() default true;
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}
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public Map copy(Kryo kryo, Map map) {
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Map createCopy = createCopy(kryo, map);
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for (Map.Entry entry : map.entrySet()) {
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createCopy.put(kryo.copy(entry.getKey()), kryo.copy(entry.getValue()));
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}
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return createCopy;
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}
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public Map create(Kryo kryo, Input input, Class<Map> cls) {
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return (Map) kryo.newInstance(cls);
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}
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public Map createCopy(Kryo kryo, Map map) {
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return (Map) kryo.newInstance(map.getClass());
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}
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@Override // com.esotericsoftware.kryo.Serializer
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public Map read(Kryo kryo, Input input, Class<Map> cls) {
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Map create = create(kryo, input, cls);
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int readInt = input.readInt(true);
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Class cls2 = this.keyClass;
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Class cls3 = this.valueClass;
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Serializer serializer = this.keySerializer;
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Class cls4 = this.keyGenericType;
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if (cls4 != null) {
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if (serializer == null) {
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serializer = kryo.getSerializer(cls4);
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}
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this.keyGenericType = null;
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cls2 = cls4;
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}
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Serializer serializer2 = this.valueSerializer;
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Class cls5 = this.valueGenericType;
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if (cls5 != null) {
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if (serializer2 == null) {
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serializer2 = kryo.getSerializer(cls5);
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}
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this.valueGenericType = null;
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cls3 = cls5;
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}
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kryo.reference(create);
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for (int i = 0; i < readInt; i++) {
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create.put(serializer != null ? this.keysCanBeNull ? kryo.readObjectOrNull(input, cls2, serializer) : kryo.readObject(input, cls2, serializer) : kryo.readClassAndObject(input), serializer2 != null ? this.valuesCanBeNull ? kryo.readObjectOrNull(input, cls3, serializer2) : kryo.readObject(input, cls3, serializer2) : kryo.readClassAndObject(input));
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}
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return create;
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}
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@Override // com.esotericsoftware.kryo.Serializer
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public void setGenerics(Kryo kryo, Class[] clsArr) {
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this.keyGenericType = null;
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this.valueGenericType = null;
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if (clsArr != null && clsArr.length > 0) {
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if (clsArr[0] != null && kryo.isFinal(clsArr[0])) {
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this.keyGenericType = clsArr[0];
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}
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if (clsArr.length > 1 && clsArr[1] != null && kryo.isFinal(clsArr[1])) {
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this.valueGenericType = clsArr[1];
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}
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}
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}
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public void setKeyClass(Class cls, Serializer serializer) {
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this.keyClass = cls;
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this.keySerializer = serializer;
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}
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public void setKeysCanBeNull(boolean z2) {
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this.keysCanBeNull = z2;
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}
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public void setValueClass(Class cls, Serializer serializer) {
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this.valueClass = cls;
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this.valueSerializer = serializer;
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}
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public void setValuesCanBeNull(boolean z2) {
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this.valuesCanBeNull = z2;
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}
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public void write(Kryo kryo, Output output, Map map) {
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output.writeInt(map.size(), true);
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Serializer serializer = this.keySerializer;
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Class cls = this.keyGenericType;
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if (cls != null) {
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if (serializer == null) {
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serializer = kryo.getSerializer(cls);
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}
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this.keyGenericType = null;
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}
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Serializer serializer2 = this.valueSerializer;
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Class cls2 = this.valueGenericType;
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if (cls2 != null) {
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if (serializer2 == null) {
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serializer2 = kryo.getSerializer(cls2);
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}
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this.valueGenericType = null;
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}
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for (Map.Entry entry : map.entrySet()) {
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if (serializer == null) {
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kryo.writeClassAndObject(output, entry.getKey());
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} else if (this.keysCanBeNull) {
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kryo.writeObjectOrNull(output, entry.getKey(), serializer);
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} else {
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kryo.writeObject(output, entry.getKey(), serializer);
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}
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if (serializer2 == null) {
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kryo.writeClassAndObject(output, entry.getValue());
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} else if (this.valuesCanBeNull) {
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kryo.writeObjectOrNull(output, entry.getValue(), serializer2);
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} else {
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kryo.writeObject(output, entry.getValue(), serializer2);
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}
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}
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}
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}
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