| /* |
| * 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.solr.analytics.value.constant; |
| |
| import java.time.Instant; |
| import java.util.Date; |
| import java.util.function.Consumer; |
| import java.util.function.LongConsumer; |
| |
| import org.apache.solr.analytics.facet.compare.ConstantComparator; |
| import org.apache.solr.analytics.value.DateValue; |
| import org.apache.solr.analytics.value.DateValue.CastingDateValue; |
| |
| /** |
| * A constant {@link DateValue}. Every call to {@link #getDate()} and other methods will return the same constant value. |
| */ |
| public class ConstantDateValue extends ConstantValue implements CastingDateValue { |
| private final long value; |
| private final Date valueDate; |
| private final String valueStr; |
| public static final String name = "const_date"; |
| private final String exprStr; |
| |
| public ConstantDateValue(long value) { |
| this.value = value; |
| this.valueDate = new Date(value); |
| this.valueStr = Instant.ofEpochMilli(value).toString(); |
| this.exprStr = ConstantValue.createExpressionString(this, valueStr); |
| } |
| |
| |
| @Override |
| public long getLong() { |
| return value; |
| } |
| @Override |
| public Date getDate() { |
| return valueDate; |
| } |
| @Override |
| public String getString() { |
| return valueStr; |
| } |
| @Override |
| public Object getObject() { |
| return valueDate; |
| } |
| @Override |
| public boolean exists() { |
| return true; |
| } |
| |
| @Override |
| public void streamLongs(LongConsumer cons) { |
| cons.accept(value); |
| } |
| @Override |
| public void streamDates(Consumer<Date> cons) { |
| cons.accept(valueDate); |
| } |
| @Override |
| public void streamStrings(Consumer<String> cons) { |
| cons.accept(valueStr); |
| } |
| @Override |
| public void streamObjects(Consumer<Object> cons) { |
| cons.accept(valueDate); |
| } |
| |
| @Override |
| public ConstantComparator getObjectComparator(String expression) { |
| return new ConstantComparator(); |
| } |
| |
| @Override |
| public String getName() { |
| return name; |
| } |
| |
| @Override |
| public String getExpressionStr() { |
| return exprStr; |
| } |
| |
| @Override |
| public ExpressionType getExpressionType() { |
| return ExpressionType.CONST; |
| } |
| } |