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io.github.vipcxj.jasync.ng.runtime.context.Context3Map Maven / Gradle / Ivy
package io.github.vipcxj.jasync.ng.runtime.context;
import java.util.Objects;
import java.util.Set;
public class Context3Map implements ContextMap {
private final Object key1;
private final Object value1;
private final Object key2;
private final Object value2;
private final Object key3;
private final Object value3;
private Set keys;
public Context3Map(Object key1, Object value1, Object key2, Object value2, Object key3, Object value3) {
this.key1 = key1;
this.value1 = value1;
this.key2 = key2;
this.value2 = value2;
this.key3 = key3;
this.value3 = value3;
}
@Override
public boolean hasKey(Object key) {
ContextMap.checkKey(key);
return key.equals(this.key1) || key.equals(this.key2) || key.equals(this.key3);
}
@Override
public int size() {
return 3;
}
@Override
public T get(Object key) {
ContextMap.checkKey(key);
if (key.equals(this.key1)) {
//noinspection unchecked
return (T) value1;
} else if (key.equals(this.key2)) {
//noinspection unchecked
return (T) value2;
} else if (key.equals(this.key3)) {
//noinspection unchecked
return (T) value3;
} else {
return null;
}
}
@Override
public ContextMap put(Object key, Object value) {
ContextMap.checkKey(key);
if (key.equals(this.key1)) {
return Objects.equals(value, value1) ? this : new Context3Map(key, value, this.key2, this.value2, this.key3, this.value3);
} else if (key.equals(this.key2)) {
return Objects.equals(value, value2) ? this : new Context3Map(this.key1, this.value1, key, value, this.key3, this.value3);
} else if (key.equals(this.key3)) {
return Objects.equals(value, value3) ? this : new Context3Map(this.key1, this.value1, this.key2, this.value2, key, value);
} else {
return new Context4Map(this.key1, this.value1, this.key2, this.value2, this.key3, this.value3, key, value);
}
}
@Override
public ContextMap remove(Object key) {
ContextMap.checkKey(key);
if (key.equals(this.key1)) {
return new Context2Map(this.key2, this.value2, this.key3, this.value3);
} else if (key.equals(this.key2)) {
return new Context2Map(this.key1, this.value1, this.key3, this.value3);
} else if (key.equals(this.key3)) {
return new Context2Map(this.key1, this.value1, this.key2, this.value2);
} else {
return this;
}
}
@Override
public Set keys() {
if (keys == null) {
keys = new ContextMapKeySet(key1, key2, key3);
}
return keys;
}
}
