package org.alfresco.repo.domain.node;

import java.io.Serializable;

import org.alfresco.service.namespace.QName;
import org.alfresco.util.ParameterCheck;

/**
 * @author janv
 * @since 4.0
 */
/* package */ class ChildByNameKey implements Serializable
{
    private static final long serialVersionUID = -2167221525380802365L;
    
    private final Long parentNodeId;
    private QName assocTypeQName;
    private String childNodeName;
    
    ChildByNameKey(Long parentNodeId, QName assocTypeQName, String childNodeName)
    {
    	ParameterCheck.mandatory("childNodeName", childNodeName);
    	ParameterCheck.mandatory("assocTypeQName", assocTypeQName);
    	ParameterCheck.mandatory("parentNodeId", parentNodeId);
    		
        this.parentNodeId = parentNodeId;
        this.assocTypeQName = assocTypeQName;
        this.childNodeName = childNodeName;
    }
    
    public Long getParentNodeId()
    {
        return parentNodeId;
    }
    
    public QName getAssocTypeQName()
    {
        return assocTypeQName;
    }
    
    public String getChildNodeName()
    {
        return childNodeName;
    }
    
    
    @Override
    public boolean equals(Object other)
    {
        if (this == other)
        {
            return true;
        }
        if (!(other instanceof ChildByNameKey))
        {
            return false;
        }
        ChildByNameKey o = (ChildByNameKey)other;
        return parentNodeId.equals(o.getParentNodeId()) &&
               assocTypeQName.equals(o.getAssocTypeQName()) &&
               childNodeName.equalsIgnoreCase(o.getChildNodeName());
    }
    
    @Override
    public int hashCode()
    {
        return parentNodeId.hashCode() + assocTypeQName.hashCode() + childNodeName.toLowerCase().hashCode();
    }
    
    @Override
    public String toString()
    {
        StringBuilder builder = new StringBuilder();
        builder.append("ChildByNameInfo ")
               .append("[parentNodeId=").append(parentNodeId)
               .append(", assocTypeQName=").append(assocTypeQName)
               .append(", childNodeName=").append(childNodeName)
               .append("]");
        return builder.toString();
    }
}