Github user jdasch commented on a diff in the pull request: https://github.com/apache/incubator-rya/pull/237#discussion_r143046845 --- Diff: common/rya.api/src/main/java/org/apache/rya/api/functions/DateTimeWithinPeriod.java --- @@ -0,0 +1,121 @@ +/* + * 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.rya.api.functions; + +import org.apache.rya.api.functions.OWLTime.Duration; +import org.openrdf.model.Literal; +import org.openrdf.model.URI; +import org.openrdf.model.Value; +import org.openrdf.model.ValueFactory; +import org.openrdf.model.datatypes.XMLDatatypeUtil; +import org.openrdf.model.vocabulary.FN; +import org.openrdf.model.vocabulary.XMLSchema; +import org.openrdf.query.algebra.evaluation.ValueExprEvaluationException; +import org.openrdf.query.algebra.evaluation.function.Function; + +import com.google.common.base.Preconditions; + +/** + * This {@link Function} determines whether two datetimes occur within a specified period of time of one another. The --- End diff -- change to XMLSchema.DATETIME
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