io.pelle.mango.db.voquery.AttributesDescriptorQuery Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of mango-db Show documentation
mango web framework
The newest version!
package io.pelle.mango.db.voquery;

import io.pelle.mango.client.base.vo.AttributeDescriptor;
import io.pelle.mango.client.base.vo.IAttributeDescriptor;
import io.pelle.mango.client.base.vo.IVOEntity;
import io.pelle.mango.db.util.BeanUtils;
import io.pelle.mango.server.base.query.BaseCollectionQuery;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.collect.Collections2;

public class AttributesDescriptorQuery> extends BaseCollectionQuery {

	private Class voEntityClass;

	public static AttributesDescriptorQuery createQuery(Class voEntityClass) {
		return new AttributesDescriptorQuery(voEntityClass, (Collection) Arrays.asList(BeanUtils.getAttributeDescriptors(voEntityClass)));
	}

	public AttributesDescriptorQuery(Class voEntityClass, Collection attributeDescriptors) {
		super(attributeDescriptors);
		this.voEntityClass = voEntityClass;
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	public static AttributesDescriptorQuery createQuery(Class voEntityClass, IAttributeDescriptor[] attributeDescriptors) {
		return new AttributesDescriptorQuery(voEntityClass, Arrays.asList(attributeDescriptors));
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	public > AttributesDescriptorQuery byType(Class clazz) {
		return new AttributesDescriptorQuery(voEntityClass, Collections2.filter(getCollection(), Predicates.instanceOf(clazz)));
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	public > AttributesDescriptorQuery byName(final String attributeName) {
		return new AttributesDescriptorQuery(voEntityClass, Collections2.filter(getCollection(), io.pelle.mango.db.voquery.Predicates.attributeDescriptorByName(attributeName)));
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	public AttributesDescriptorQuery naturalKeys() {

		List naturalKeyAttributeDescriptors = new ArrayList(Collections2.filter(getCollection(), new Predicate() {
			@Override
			public boolean apply(T atttributeDescriptor) {
				return atttributeDescriptor.getNaturalKeyOrder() != AttributeDescriptor.NO_NATURAL_KEY;
			}
		}));

		Collections.sort(naturalKeyAttributeDescriptors, new Comparator() {
			@Override
			public int compare(T o1, T o2) {
				return Integer.compare(o1.getNaturalKeyOrder(), o2.getNaturalKeyOrder());
			}
		});

		return new AttributesDescriptorQuery(voEntityClass, naturalKeyAttributeDescriptors);
	}

	public boolean has(IAttributeDescriptor attributeDescriptor) {
		return getCollection().contains(attributeDescriptor);
	}

}