default implementation to hashCode, equals and toString

EntityBase.java

import java.util.Arrays;
import java.util.List;

import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.lang.builder.ReflectionToStringBuilder;

public abstract class EntityBase implements EntityDef {

    private static final long serialVersionUID = -4629136366635323935L;

    @Override
    public int hashCode() {
        return HashCodeBuilder.reflectionHashCode(this, getExcludeAsList());
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null || obj.getClass() != getClass()) {
            return false;
        }

        if (obj == this) {
            return true;
        }

        return EqualsBuilder.reflectionEquals(this, obj, getExcludeAsList());
    }

    @Override
    public String toString() {
        final ReflectionToStringBuilder toString = new ReflectionToStringBuilder(this);
        toString.setAppendStatics(false);
        toString.setAppendTransients(false);
        toString.setExcludeFieldNames(getExcludeFieldsAsArray());
        return toString.toString();
    }

    /**
     * Sobrescreva este método caso queira excluir algum atributo, desconsiderando-os do hasCode, equals e toString
     * 
     * String [] s = new String[] {"parentString", "parentInt", "ignoreString"}; Arrays.asList(s); return s;
     */
    public String[] getExcludeFieldsAsArray() {
        return new String[] {};
    }

    public List<String> getExcludeAsList() {
        return Arrays.asList(getExcludeFieldsAsArray());
    }

}