
/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.grails.datastore.gorm.neo4j.collection

import groovy.transform.CompileStatic
import org.grails.datastore.gorm.neo4j.Neo4jSession
import org.grails.datastore.gorm.neo4j.engine.Neo4jAssociationQueryExecutor
import org.grails.datastore.mapping.collection.PersistentList
import org.grails.datastore.mapping.dirty.checking.DirtyCheckable
import org.grails.datastore.mapping.engine.EntityAccess
import org.grails.datastore.mapping.model.types.Association
import org.grails.datastore.mapping.model.types.ToMany
/**
 * Neo4j version of the {@link PersistentList} class
 *
 * @author Graeme Rocher
 * @since 5.0
 */
@CompileStatic
class Neo4jPersistentList extends PersistentList {

    protected transient final EntityAccess parentAccess
    protected transient final Association association
    protected transient final @Delegate GraphAdapter graphAdapter

    Neo4jPersistentList(Collection keys, Neo4jSession session, EntityAccess parentAccess, ToMany association) {
        super(keys, association.associatedEntity.javaClass, session)
        this.parentAccess = parentAccess
        this.association = association
        this.graphAdapter = new GraphAdapter(session, parentAccess, association)
        setProxyEntities(association.isLazy())
    }

    Neo4jPersistentList(Serializable associationKey, Neo4jSession session, EntityAccess parentAccess, ToMany association) {
        super(associationKey, session, new Neo4jAssociationQueryExecutor(session, association, association.isLazy()))
        this.parentAccess = parentAccess
        this.association = association
        this.graphAdapter = new GraphAdapter(session, parentAccess, association)
        setProxyEntities(association.isLazy())
    }

    @Override
    boolean addAll(Collection c) {
        def added = super.addAll(c)
        if (added) {
            for (o in c) {
                adaptGraphUponAdd(o, currentlyInitializing())
            }
        }

        return added
    }

    @Override
    boolean add(Object o) {
        def added = super.add(o)
        if(added) {
            adaptGraphUponAdd(o, currentlyInitializing())
        }

        return added
    }

    @Override
    boolean removeAll(Collection c) {
        def removed = super.removeAll(c)
        if(removed) {
            for(o in c) {
                adaptGraphUponRemove(o, currentlyInitializing())
            }
        }
        return removed
    }

    @Override
    boolean remove(Object o) {
        def removed = super.remove(o)
        if(removed) {
            adaptGraphUponRemove(o, currentlyInitializing())
        }
        return removed
    }

    @Override
    boolean retainAll(Collection c) {
        return super.retainAll(c)
    }

    @Override
    Object[] toArray(Object[] a) {
        return super.toArray(a)
    }

    @Override
    boolean containsAll(Collection c) {
        return super.containsAll(c)
    }

    @Override
    void markDirty() {
        if (!currentlyInitializing()) {
            ((DirtyCheckable) parentAccess.entity).markDirty(association.getName())
            super.markDirty()
        }
    }
}
