Search.java

package pt.ist.expenditureTrackingSystem.domain;

import java.io.Serializable;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

import pt.ist.fenixframework.Atomic;

public abstract class Search<T> implements Serializable {

    protected abstract class SearchResultSet<T> extends HashSet<T> {

        public SearchResultSet(Collection<? extends T> c) {
            super(c);
        }

        @Override
        public boolean add(final T t) {
            return matchesSearchCriteria(t) && super.add(t);
        }

        protected abstract boolean matchesSearchCriteria(final T t);

        protected boolean matchCriteria(final String criteria, final String value) {
            return criteria == null || criteria.length() == 0 || criteria.equals(value);
        }

    }

    public abstract Set<T> search();

    public Set<T> getResult() {
        return search();
    }

    @Atomic
    public void persistSearch(String name) {
        persist(name);
    }

    protected void persist(String name) {

    }
}