gf2121 commented on a change in pull request #438: URL: https://github.com/apache/lucene/pull/438#discussion_r760082305
########## File path: lucene/core/src/java/org/apache/lucene/util/DocBaseBitSetIterator.java ########## @@ -0,0 +1,81 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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.apache.lucene.util; + +import org.apache.lucene.search.DocIdSetIterator; + +/** + * A @{@link DocIdSetIterator} like {@link BitSetIterator} but has a doc base in onder to avoid + * storing previous 0s. + */ +public class DocBaseBitSetIterator extends DocIdSetIterator { + + private final FixedBitSet bits; + private final int length; + private final long cost; + private final int docBase; + private int doc = -1; + + public DocBaseBitSetIterator(FixedBitSet bits, long cost, int docBase) { + if (cost < 0) { + throw new IllegalArgumentException("cost must be >= 0, got " + cost); + } + if ((docBase & 63) != 0) { + throw new IllegalArgumentException("docBase need to be a multiple of 64"); + } + this.bits = bits; + this.length = bits.length() + docBase; + this.cost = cost; + this.docBase = docBase; + } + + public FixedBitSet getBitSet() { Review comment: done ########## File path: lucene/core/src/java/org/apache/lucene/util/DocBaseBitSetIterator.java ########## @@ -0,0 +1,81 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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.apache.lucene.util; + +import org.apache.lucene.search.DocIdSetIterator; + +/** + * A @{@link DocIdSetIterator} like {@link BitSetIterator} but has a doc base in onder to avoid + * storing previous 0s. + */ +public class DocBaseBitSetIterator extends DocIdSetIterator { + + private final FixedBitSet bits; + private final int length; + private final long cost; + private final int docBase; + private int doc = -1; + + public DocBaseBitSetIterator(FixedBitSet bits, long cost, int docBase) { + if (cost < 0) { + throw new IllegalArgumentException("cost must be >= 0, got " + cost); + } + if ((docBase & 63) != 0) { + throw new IllegalArgumentException("docBase need to be a multiple of 64"); + } + this.bits = bits; + this.length = bits.length() + docBase; + this.cost = cost; + this.docBase = docBase; + } + + public FixedBitSet getBitSet() { + return bits; + } + + @Override + public int docID() { + return doc; + } + + public int getDocBase() { Review comment: done -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org
