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DefaultDependencies.java
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DefaultDependencies.java
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package org.genericsystem.defaults;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.function.Predicate;
import java.util.stream.Stream;
import org.genericsystem.api.core.FiltersBuilder;
import org.genericsystem.api.core.IGeneric;
import org.genericsystem.api.core.IndexFilter;
import org.genericsystem.api.core.Snapshot;
import org.genericsystem.defaults.tools.MemoizedFunctions;
/**
* @author Nicolas Feybesse
*
* @param <T>
*/
public interface DefaultDependencies<T extends DefaultGeneric<T>> extends IGeneric<T> {
@SuppressWarnings("unchecked")
@Override
default boolean isAlive() {
return getCurrentCache().isAlive((T) this);
}
@Override
default boolean isAncestorOf(T dependency) {
return equals(dependency) || (!dependency.isMeta() && isAncestorOf(dependency.getMeta())) || dependency.getSupers().stream().anyMatch(this::isAncestorOf) || dependency.getComponents().stream().filter(x -> x != null).anyMatch(this::isAncestorOf);
}
@Override
default DefaultContext<T> getCurrentCache() {
return (DefaultContext<T>) getRoot().getCurrentCache();
}
@SuppressWarnings("unchecked")
default Snapshot<T> getDependencies() {
return getCurrentCache().getDependencies((T) this);
}
@SuppressWarnings("unchecked")
@Override
default T getInstance(Serializable value, T... components) {
return getNonAmbiguousResult(getInstances(value, components).stream());
}
@SuppressWarnings("unchecked")
@Override
default T getInstance(T... components) {
return getNonAmbiguousResult(getInstances(components).stream());
}
@SuppressWarnings("unchecked")
@Override
default T getInstance(T override, Serializable value, T... components) {
return getNonAmbiguousResult(getInstances(override, value, components).stream());
}
@SuppressWarnings("unchecked")
@Override
default T getInstance(List<T> overrides, Serializable value, T... components) {
return getNonAmbiguousResult(getInstances(overrides, value, components).stream());
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getInstances(Serializable value, T... components) {
return getInstances(components).filter(new IndexFilter(FiltersBuilder.HAS_VALUE, value));
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getInstances() {
return getCurrentCache().getInstances((T) this);
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getInstances(T... components) {
return getInstances().filter(new IndexFilter(FiltersBuilder.HAS_COMPONENTS, (Object[]) components));
}
@Override
@SuppressWarnings("unchecked")
default Snapshot<T> getInstances(T override, Serializable value, T... components) {
return getInstances(Collections.singletonList(override), value, components);
}
@Override
@SuppressWarnings("unchecked")
default Snapshot<T> getInstances(List<T> overrides, Serializable value, T... components) {
List<T> supers = getCurrentCache().computeAndCheckOverridesAreReached((T) this, overrides, value, Arrays.asList(components));
return getInstances(value, components).filter(new IndexFilter(FiltersBuilder.HAS_SUPERS, supers.toArray()));
}
@SuppressWarnings("unchecked")
@Override
default T getSubInstance(Serializable value, T... components) {
return getNonAmbiguousResult(getSubInstances(value, components).stream());
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getSubInstances(Serializable value, T... components) {
return getSubInstances(components).filter(new IndexFilter(FiltersBuilder.HAS_VALUE, value));
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
default Snapshot<T> getSubInheritings() {
return (Snapshot) MemoizedFunctions.getSubInheritingsM.apply(this);
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
default Snapshot<T> getSubInstances() {
return (Snapshot) MemoizedFunctions.getSubInstancesM.apply(this);
}
@SuppressWarnings("unchecked")
@Override
default T getSubInstance(T... components) {
return getNonAmbiguousResult(getSubInstances(components).stream());
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getSubInstances(T... components) {
return getSubInstances().filter(new IndexFilter(FiltersBuilder.HAS_COMPONENTS, (Object[]) components));
}
@SuppressWarnings("unchecked")
@Override
default T getSubInstance(T override, Serializable value, T... components) {
return getNonAmbiguousResult(getSubInstances(override, value, components).stream());
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getSubInstances(T override, Serializable value, T... components) {
return getSubInstances(Collections.singletonList(override), value, components);
}
@SuppressWarnings("unchecked")
@Override
default T getSubInstance(List<T> overrides, Serializable value, T... components) {
return getNonAmbiguousResult(getSubInstances(overrides, value, components).stream());
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getSubInstances(List<T> overrides, Serializable value, T... components) {
List<T> supers = getCurrentCache().computeAndCheckOverridesAreReached((T) this, overrides, value, Arrays.asList(components));
return getSubInstances(value, components).filter(new IndexFilter(FiltersBuilder.HAS_SUPERS, supers.toArray()));
}
@SuppressWarnings("unchecked")
@Override
default T getInheriting(Serializable value, T... components) {
return getNonAmbiguousResult(getInheritings(value, components).stream());
}
@SuppressWarnings("unchecked")
@Override
default T getInheriting(T... components) {
return getNonAmbiguousResult(getInheritings(components).stream());
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getInheritings(Serializable value, T... components) {
return getInheritings(components).filter(new IndexFilter(FiltersBuilder.HAS_VALUE, value));
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getInheritings() {
return getCurrentCache().getInheritings((T) this);
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getInheritings(T... components) {
return getInheritings().filter(new IndexFilter(FiltersBuilder.HAS_COMPONENTS, (Object[]) components));
}
@SuppressWarnings("unchecked")
@Override
default T getSubInheriting(Serializable value, T... components) {
return getNonAmbiguousResult(getSubInheritings(value, components).stream());
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getSubInheritings(Serializable value, T... components) {
return getSubInheritings(components).filter(new IndexFilter(FiltersBuilder.HAS_VALUE, value));
}
@SuppressWarnings("unchecked")
@Override
default T getSubInheriting(T... components) {
return getNonAmbiguousResult(getSubInheritings(components).stream());
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getSubInheritings(T... components) {
return getSubInheritings().filter(new IndexFilter(FiltersBuilder.HAS_COMPONENTS, (Object[]) components));
}
@Override
default T getComposite(Serializable value) {
return getNonAmbiguousResult(getComposites(value).stream());
}
@Override
default Snapshot<T> getComposites(Serializable value) {
return getComposites().filter(new IndexFilter(FiltersBuilder.HAS_VALUE, value));
}
@SuppressWarnings("unchecked")
@Override
default Snapshot<T> getComposites() {
return getCurrentCache().getComposites((T) this);
}
static <T extends DefaultGeneric<T>> Predicate<T> valueFilter(Serializable value) {
return attribute -> Objects.equals(attribute.getValue(), value);
}
static <T extends DefaultGeneric<T>> Predicate<T> overridesFilter(List<T> overrides) {
return x -> overrides.isEmpty() ? x.getSupers().isEmpty() : filter(x.getSupers(), overrides).test(x);
}
@SuppressWarnings("unchecked")
static <T extends DefaultGeneric<T>> Predicate<T> componentsFilter(T... components) {
return x -> filter(x.getComponents(), Arrays.asList(components)).test(x);
}
static <T extends DefaultGeneric<T>> Predicate<T> filter(List<T> ancestors, List<T> ancestorsReached) {
return attribute -> {
List<T> attributeAncestors = new ArrayList<>(ancestors);
for (T ancestorsReach : ancestorsReached) {
T matchedComponent = attributeAncestors.stream().filter(attributeAncestor -> attributeAncestor.equals(ancestorsReach)).findFirst().orElse(null);
if (matchedComponent != null)
attributeAncestors.remove(matchedComponent);
else
return false;
}
return true;
};
}
T getNonAmbiguousResult(Stream<T> stream);
}