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* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.index.mapper;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.test.ESTestCase;
import static org.hamcrest.Matchers.equalTo;
public class UidTests extends ESTestCase {
public void testCreateAndSplitId() {
BytesRef createUid = Uid.createUidAsBytes("foo", "bar");
BytesRef[] splitUidIntoTypeAndId = splitUidIntoTypeAndId(createUid);
assertThat("foo", equalTo(splitUidIntoTypeAndId[0].utf8ToString()));
assertThat("bar", equalTo(splitUidIntoTypeAndId[1].utf8ToString()));
// split also with an offset
BytesRef ref = new BytesRef(createUid.length+10);
ref.offset = 9;
ref.length = createUid.length;
System.arraycopy(createUid.bytes, createUid.offset, ref.bytes, ref.offset, ref.length);
splitUidIntoTypeAndId = splitUidIntoTypeAndId(ref);
assertThat("foo", equalTo(splitUidIntoTypeAndId[0].utf8ToString()));
assertThat("bar", equalTo(splitUidIntoTypeAndId[1].utf8ToString()));
}
public static BytesRef[] splitUidIntoTypeAndId(BytesRef uid) {
int loc = -1;
final int limit = uid.offset + uid.length;
for (int i = uid.offset; i < limit; i++) {
if (uid.bytes[i] == Uid.DELIMITER_BYTE) { // 0x23 is equal to '#'
loc = i;
break;
}
}
if (loc == -1) {
return null;
}
int idStart = loc + 1;
return new BytesRef[] {
new BytesRef(uid.bytes, uid.offset, loc - uid.offset),
new BytesRef(uid.bytes, idStart, limit - idStart)
};
}
}