/* * Copyright 2011 Future Systems * * Licensed 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 * * http://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.krakenapps.logdb.query.command; import java.util.List; import org.krakenapps.logdb.LogQueryCommand; public class Search extends LogQueryCommand { private Integer limit; private Integer count; private List<Term> terms; public Search(List<Term> terms) { this(null, terms); } public Search(Integer limit, List<Term> terms) { this.limit = limit; this.terms = terms; } @Override public void init() { super.init(); count = 0; } @Override public void push(LogMap m) { for (Term term : terms) { if (!term.eval(m)) return; } write(m); if (limit != null && ++count == limit) { eof(); return; } } @Override public boolean isReducer() { return false; } }