/**
    * Copyright 2005-2015 The Kuali Foundation
    *
    * Licensed under the Educational Community 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
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.krad.data.metadata.impl;
  
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.krad.data.metadata.DataObjectAttributeRelationship;
  import org.kuali.rice.krad.data.metadata.MetadataChild;
  
  /**
   * {@inheritDoc}
   */
  public abstract class MetadataChildBase extends MetadataCommonBase implements MetadataChild {
  	private static final long serialVersionUID = 2244738385101424133L;
  
  	protected MetadataChild embeddedMetadataChild;
  
  	protected Class<?> relatedType;
  	protected List<DataObjectAttributeRelationship> attributeRelationships;
      protected MetadataChild inverseRelationship;
  
  	protected Boolean savedWithParent;
  	protected Boolean deletedWithParent;
  	protected Boolean loadedAtParentLoadTime;
  	protected Boolean loadedDynamicallyUponUse;
  
      /**
      * {@inheritDoc}
      */
  	@Override
  	public boolean isSavedWithParent() {
  		if (savedWithParent != null) {
  			return savedWithParent;
  		}
  		if (embeddedMetadataChild != null) {
  			return embeddedMetadataChild.isSavedWithParent();
  		}
  		return false;
  	}
  
  	public void setSavedWithParent(boolean savedWithParent) {
  		this.savedWithParent = savedWithParent;
  	}
  
      /**
      * {@inheritDoc}
      */
  	@Override
  	public boolean isDeletedWithParent() {
  		if (deletedWithParent != null) {
  			return deletedWithParent;
  		}
  		if (embeddedMetadataChild != null) {
  			return embeddedMetadataChild.isDeletedWithParent();
  		}
  		return false;
  	}
  
  	public void setDeletedWithParent(boolean deletedWithParent) {
  		this.deletedWithParent = deletedWithParent;
  	}
  
      /**
      * {@inheritDoc}
      */
  	@Override
  	public boolean isLoadedAtParentLoadTime() {
  		if (loadedAtParentLoadTime != null) {
  			return loadedAtParentLoadTime;
  		}
  		if (embeddedMetadataChild != null) {
  			return embeddedMetadataChild.isLoadedAtParentLoadTime();
  		}
  		return false;
  	}
  
  	public void setLoadedAtParentLoadTime(boolean loadedAtParentLoadTime) {
  		this.loadedAtParentLoadTime = loadedAtParentLoadTime;
  	}
  
      /**
      * {@inheritDoc}
      */
  	@Override
 	public boolean isLoadedDynamicallyUponUse() {
 		if (loadedDynamicallyUponUse != null) {
 			return loadedDynamicallyUponUse;
 		}
 		if (embeddedMetadataChild != null) {
 			return embeddedMetadataChild.isLoadedDynamicallyUponUse();
 		}
 		return false;
 	}
 
 	public void setLoadedDynamicallyUponUse(boolean loadedDynamicallyUponUse) {
 		this.loadedDynamicallyUponUse = loadedDynamicallyUponUse;
 	}
 
     /**
     * {@inheritDoc}
     */
 	@Override
 	public List<DataObjectAttributeRelationship> getAttributeRelationships() {
 		if (attributeRelationships != null) {
 			return Collections.unmodifiableList(attributeRelationships);
 		}
 		if (embeddedMetadataChild != null) {
 			return embeddedMetadataChild.getAttributeRelationships();
 		}
 		return Collections.emptyList();
 	}
 
 	public void setAttributeRelationships(List<DataObjectAttributeRelationship> attributeRelationships) {
 		this.attributeRelationships = attributeRelationships;
 	}
 
     /**
     * {@inheritDoc}
     */
     @Override
     public MetadataChild getInverseRelationship() {
         if (inverseRelationship != null) {
             return inverseRelationship;
         }
         if (embeddedMetadataChild != null) {
             return embeddedMetadataChild.getInverseRelationship();
         }
         return null;
     }
 
     public void setInverseRelationship(MetadataChild inverseRelationship) {
         this.inverseRelationship = inverseRelationship;
     }
 
     /**
     * {@inheritDoc}
     */
     @Override
 	public String getParentAttributeNameRelatedToChildAttributeName(String childAttribute) {
         for(DataObjectAttributeRelationship dataObjectAttributeRelationship : attributeRelationships){
             if(StringUtils.equals(dataObjectAttributeRelationship.getChildAttributeName(),childAttribute)){
                 return dataObjectAttributeRelationship.getParentAttributeName();
             }
         }
         return null;
     }
 
     /**
     * {@inheritDoc}
     */
 	@Override
 	public String toString() {
 		StringBuilder builder = new StringBuilder();
 		builder.append(this.getClass().getSimpleName()).append(" [");
 		builder.append("name=").append(getName()).append(", ");
 		builder.append("relatedType=").append(getRelatedType()).append(", ");
 		builder.append("attributes=").append(getAttributeRelationships()).append(", ");
 		builder.append("backingObjectName=").append(getBackingObjectName()).append(", ");
 		builder.append("readOnly=").append(isReadOnly());
 		builder.append(", savedWithParent=");
 		builder.append(savedWithParent);
 		builder.append(", deletedWithParent=");
 		builder.append(deletedWithParent);
 		builder.append(", loadedAtParentLoadTime=");
 		builder.append(loadedAtParentLoadTime);
 		builder.append(", loadedDynamicallyUponUse=");
 		builder.append(loadedDynamicallyUponUse);
 		if (embeddedMetadataChild != null) {
 			builder.append(", embedded=").append(embeddedMetadataChild);
 		}
 		builder.append("]");
 		return builder.toString();
 	}
 
     /**
     * {@inheritDoc}
     */
 	@Override
 	public Class<?> getRelatedType() {
 		return relatedType;
 	}
 
 	public void setRelatedType(Class<?> relatedType) {
 		this.relatedType = relatedType;
 	}
 
     /**
     * Gets the metadata from the child
     *
     * @return embedded metadata
     */
 	public MetadataChild getEmbeddedMetadataChild() {
 		return embeddedMetadataChild;
 	}
 
 	public void setEmbeddedMetadataChild(MetadataChild embeddedMetadataChild) {
 		this.embeddedMetadataChild = embeddedMetadataChild;
 		setEmbeddedCommonMetadata(embeddedMetadataChild);
 	}
 
 }