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Refactor to type switches so we have something re-usable that improve…
…s maintainability Add some tests
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89
core/src/main/java/org/chodavarapu/datamill/reflection/impl/TripleArgumentTypeSwitch.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,89 @@ | ||
| package org.chodavarapu.datamill.reflection.impl; | ||
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| import rx.functions.Func3; | ||
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| import java.time.LocalDateTime; | ||
| import java.util.Map; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
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| /** | ||
| * @author Ravi Chodavarapu (rchodava@gmail.com) | ||
| */ | ||
| public abstract class TripleArgumentTypeSwitch<T1, T2, T3, R> { | ||
| private final Map<Class<?>, Func3<T1, T2, T3, R>> cases = new ConcurrentHashMap<>(); | ||
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| public TripleArgumentTypeSwitch() { | ||
| cases.put(boolean.class, (v1, v2, v3) -> caseBoolean(v1, v2, v3)); | ||
| cases.put(Boolean.class, (v1, v2, v3) -> caseBooleanWrapper(v1, v2, v3)); | ||
| cases.put(byte.class, (v1, v2, v3) -> caseByte(v1, v2, v3)); | ||
| cases.put(Byte.class, (v1, v2, v3) -> caseByteWrapper(v1, v2, v3)); | ||
| cases.put(char.class, (v1, v2, v3) -> caseCharacter(v1, v2, v3)); | ||
| cases.put(Character.class, (v1, v2, v3) -> caseCharacterWrapper(v1, v2, v3)); | ||
| cases.put(short.class, (v1, v2, v3) -> caseShort(v1, v2, v3)); | ||
| cases.put(Short.class, (v1, v2, v3) -> caseShortWrapper(v1, v2, v3)); | ||
| cases.put(int.class, (v1, v2, v3) -> caseInteger(v1, v2, v3)); | ||
| cases.put(Integer.class, (v1, v2, v3) -> caseIntegerWrapper(v1, v2, v3)); | ||
| cases.put(long.class, (v1, v2, v3) -> caseLong(v1, v2, v3)); | ||
| cases.put(Long.class, (v1, v2, v3) -> caseLongWrapper(v1, v2, v3)); | ||
| cases.put(float.class, (v1, v2, v3) -> caseFloat(v1, v2, v3)); | ||
| cases.put(Float.class, (v1, v2, v3) -> caseFloatWrapper(v1, v2, v3)); | ||
| cases.put(double.class, (v1, v2, v3) -> caseDouble(v1, v2, v3)); | ||
| cases.put(Double.class, (v1, v2, v3) -> caseDoubleWrapper(v1, v2, v3)); | ||
| cases.put(LocalDateTime.class, (v1, v2, v3) -> caseLocalDateTime(v1, v2, v3)); | ||
| cases.put(byte[].class, (v1, v2, v3) -> caseByteArray(v1, v2, v3)); | ||
| } | ||
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| protected abstract R caseBoolean(T1 value1, T2 value2, T3 value3); | ||
| protected R caseBooleanWrapper(T1 value1, T2 value2, T3 value3) { | ||
| return caseBoolean(value1, value2, value3); | ||
| } | ||
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| protected abstract R caseByte(T1 value1, T2 value2, T3 value3); | ||
| protected R caseByteWrapper(T1 value1, T2 value2, T3 value3) { | ||
| return caseByte(value1, value2, value3); | ||
| } | ||
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| protected abstract R caseCharacter(T1 value1, T2 value2, T3 value3); | ||
| protected R caseCharacterWrapper(T1 value1, T2 value2, T3 value3) { | ||
| return caseCharacter(value1, value2, value3); | ||
| } | ||
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| protected abstract R caseShort(T1 value1, T2 value2, T3 value3); | ||
| protected R caseShortWrapper(T1 value1, T2 value2, T3 value3) { | ||
| return caseShort(value1, value2, value3); | ||
| } | ||
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| protected abstract R caseInteger(T1 value1, T2 value2, T3 value3); | ||
| protected R caseIntegerWrapper(T1 value1, T2 value2, T3 value3) { | ||
| return caseInteger(value1, value2, value3); | ||
| } | ||
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| protected abstract R caseLong(T1 value1, T2 value2, T3 value3); | ||
| protected R caseLongWrapper(T1 value1, T2 value2, T3 value3) { | ||
| return caseLong(value1, value2, value3); | ||
| } | ||
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| protected abstract R caseFloat(T1 value1, T2 value2, T3 value3); | ||
| protected R caseFloatWrapper(T1 value1, T2 value2, T3 value3) { | ||
| return caseFloat(value1, value2, value3); | ||
| } | ||
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| protected abstract R caseDouble(T1 value1, T2 value2, T3 value3); | ||
| protected R caseDoubleWrapper(T1 value1, T2 value2, T3 value3) { | ||
| return caseDouble(value1, value2, value3); | ||
| } | ||
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| protected abstract R caseLocalDateTime(T1 value1, T2 value2, T3 value3); | ||
| protected abstract R caseByteArray(T1 value1, T2 value2, T3 value3); | ||
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| protected abstract R defaultCase(T1 value1, T2 value2, T3 value3); | ||
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| public final R doSwitch(Class<?> type, T1 value1, T2 value2, T3 value3) { | ||
| Func3<T1, T2, T3, R> typeCase = cases.get(type); | ||
| if (typeCase != null) { | ||
| return typeCase.call(value1, value2, value3); | ||
| } else { | ||
| return defaultCase(value1, value2, value3); | ||
| } | ||
| } | ||
| } |
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