| /* |
| * 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.iceberg; |
| |
| import java.io.Serializable; |
| import java.util.Map; |
| import org.apache.iceberg.MetricsModes.MetricsMode; |
| import org.apache.iceberg.exceptions.ValidationException; |
| import org.apache.iceberg.relocated.com.google.common.collect.Maps; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import static org.apache.iceberg.TableProperties.DEFAULT_WRITE_METRICS_MODE; |
| import static org.apache.iceberg.TableProperties.DEFAULT_WRITE_METRICS_MODE_DEFAULT; |
| |
| public class MetricsConfig implements Serializable { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(MetricsConfig.class); |
| |
| private Map<String, MetricsMode> columnModes = Maps.newHashMap(); |
| private MetricsMode defaultMode; |
| |
| private MetricsConfig() { |
| } |
| |
| public static MetricsConfig getDefault() { |
| MetricsConfig spec = new MetricsConfig(); |
| spec.defaultMode = MetricsModes.fromString(DEFAULT_WRITE_METRICS_MODE_DEFAULT); |
| return spec; |
| } |
| |
| public static MetricsConfig fromProperties(Map<String, String> props) { |
| MetricsConfig spec = new MetricsConfig(); |
| String defaultModeAsString = props.getOrDefault(DEFAULT_WRITE_METRICS_MODE, DEFAULT_WRITE_METRICS_MODE_DEFAULT); |
| try { |
| spec.defaultMode = MetricsModes.fromString(defaultModeAsString); |
| } catch (IllegalArgumentException err) { |
| // Mode was invalid, log the error and use the default |
| LOG.warn("Ignoring invalid default metrics mode: {}", defaultModeAsString, err); |
| spec.defaultMode = MetricsModes.fromString(DEFAULT_WRITE_METRICS_MODE_DEFAULT); |
| } |
| |
| props.keySet().stream() |
| .filter(key -> key.startsWith(TableProperties.METRICS_MODE_COLUMN_CONF_PREFIX)) |
| .forEach(key -> { |
| String columnAlias = key.replaceFirst(TableProperties.METRICS_MODE_COLUMN_CONF_PREFIX, ""); |
| MetricsMode mode; |
| try { |
| mode = MetricsModes.fromString(props.get(key)); |
| } catch (IllegalArgumentException err) { |
| // Mode was invalid, log the error and use the default |
| LOG.warn("Ignoring invalid metrics mode for column {}: {}", columnAlias, props.get(key), err); |
| mode = spec.defaultMode; |
| } |
| spec.columnModes.put(columnAlias, mode); |
| }); |
| |
| return spec; |
| } |
| |
| public void validateReferencedColumns(Schema schema) { |
| for (String column : columnModes.keySet()) { |
| ValidationException.check( |
| schema.findField(column) != null, |
| "Invalid metrics config, could not find column %s from table prop %s in schema %s", |
| column, TableProperties.METRICS_MODE_COLUMN_CONF_PREFIX + column, schema); |
| } |
| } |
| |
| public MetricsMode columnMode(String columnAlias) { |
| return columnModes.getOrDefault(columnAlias, defaultMode); |
| } |
| } |