/*
* Copyright (C) 2014 Indeed Inc.
*
* 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 com.indeed.flamdex.api;
import java.io.Closeable;
import java.util.Collection;
public interface FlamdexReader extends Closeable {
Collection<String> getIntFields();
Collection<String> getStringFields();
int getNumDocs();
String getDirectory();
DocIdStream getDocIdStream();
IntTermIterator getIntTermIterator(String field);
StringTermIterator getStringTermIterator(String field);
IntTermDocIterator getIntTermDocIterator(String field);
StringTermDocIterator getStringTermDocIterator(String field);
long getIntTotalDocFreq(String field);
long getStringTotalDocFreq(String field);
Collection<String> getAvailableMetrics();
IntValueLookup getMetric(String metric) throws FlamdexOutOfMemoryException;
StringValueLookup getStringLookup(String field) throws FlamdexOutOfMemoryException;
long memoryRequired(String metric);
}