/*
* 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;
}
}