org.elasticsearch.cluster.metadata.MappingMetaData Maven / Gradle / Ivy
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* 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.cluster.metadata;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.action.TimestampParsingException;
import org.elasticsearch.cluster.AbstractDiffable;
import org.elasticsearch.cluster.Diff;
import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.joda.FormatDateTimeFormatter;
import org.elasticsearch.common.joda.Joda;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentHelper;
import org.elasticsearch.index.mapper.DocumentMapper;
import org.elasticsearch.index.mapper.TimestampFieldMapper;
import java.io.IOException;
import java.util.Map;
import static org.elasticsearch.common.xcontent.support.XContentMapValues.lenientNodeBooleanValue;
/**
* Mapping configuration for a type.
*/
public class MappingMetaData extends AbstractDiffable {
public static class Routing {
public static final Routing EMPTY = new Routing(false);
private final boolean required;
public Routing(boolean required) {
this.required = required;
}
public boolean required() {
return required;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Routing routing = (Routing) o;
return required == routing.required;
}
@Override
public int hashCode() {
return getClass().hashCode() + (required ? 1 : 0);
}
}
public static class Timestamp {
public static String parseStringTimestamp(String timestampAsString, FormatDateTimeFormatter dateTimeFormatter) throws TimestampParsingException {
try {
return Long.toString(dateTimeFormatter.parser().parseMillis(timestampAsString));
} catch (RuntimeException e) {
throw new TimestampParsingException(timestampAsString, e);
}
}
public static final Timestamp EMPTY = new Timestamp(false, TimestampFieldMapper.DEFAULT_DATE_TIME_FORMAT,
TimestampFieldMapper.Defaults.DEFAULT_TIMESTAMP, null);
private final boolean enabled;
private final String format;
private final FormatDateTimeFormatter dateTimeFormatter;
private final String defaultTimestamp;
private final Boolean ignoreMissing;
public Timestamp(boolean enabled, String format, String defaultTimestamp, Boolean ignoreMissing) {
this.enabled = enabled;
this.format = format;
this.dateTimeFormatter = Joda.forPattern(format);
this.defaultTimestamp = defaultTimestamp;
this.ignoreMissing = ignoreMissing;
}
public boolean enabled() {
return enabled;
}
public String format() {
return this.format;
}
public String defaultTimestamp() {
return this.defaultTimestamp;
}
public boolean hasDefaultTimestamp() {
return this.defaultTimestamp != null;
}
public Boolean ignoreMissing() {
return ignoreMissing;
}
public FormatDateTimeFormatter dateTimeFormatter() {
return this.dateTimeFormatter;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Timestamp timestamp = (Timestamp) o;
if (enabled != timestamp.enabled) return false;
if (format != null ? !format.equals(timestamp.format) : timestamp.format != null) return false;
if (defaultTimestamp != null ? !defaultTimestamp.equals(timestamp.defaultTimestamp) : timestamp.defaultTimestamp != null) return false;
if (ignoreMissing != null ? !ignoreMissing.equals(timestamp.ignoreMissing) : timestamp.ignoreMissing != null) return false;
return true;
}
@Override
public int hashCode() {
int result = (enabled ? 1 : 0);
result = 31 * result + (format != null ? format.hashCode() : 0);
result = 31 * result + (dateTimeFormatter != null ? dateTimeFormatter.hashCode() : 0);
result = 31 * result + (defaultTimestamp != null ? defaultTimestamp.hashCode() : 0);
result = 31 * result + (ignoreMissing != null ? ignoreMissing.hashCode() : 0);
return result;
}
}
private final String type;
private final CompressedXContent source;
private Routing routing;
private Timestamp timestamp;
private boolean hasParentField;
public MappingMetaData(DocumentMapper docMapper) {
this.type = docMapper.type();
this.source = docMapper.mappingSource();
this.routing = new Routing(docMapper.routingFieldMapper().required());
this.timestamp = new Timestamp(docMapper.timestampFieldMapper().enabled(),
docMapper.timestampFieldMapper().fieldType().dateTimeFormatter().format(), docMapper.timestampFieldMapper().defaultTimestamp(),
docMapper.timestampFieldMapper().ignoreMissing());
this.hasParentField = docMapper.parentFieldMapper().active();
}
public MappingMetaData(CompressedXContent mapping) throws IOException {
this.source = mapping;
Map mappingMap = XContentHelper.convertToMap(mapping.compressedReference(), true).v2();
if (mappingMap.size() != 1) {
throw new IllegalStateException("Can't derive type from mapping, no root type: " + mapping.string());
}
this.type = mappingMap.keySet().iterator().next();
initMappers((Map) mappingMap.get(this.type));
}
public MappingMetaData(Map mapping) throws IOException {
this(mapping.keySet().iterator().next(), mapping);
}
public MappingMetaData(String type, Map mapping) throws IOException {
this.type = type;
XContentBuilder mappingBuilder = XContentFactory.jsonBuilder().map(mapping);
this.source = new CompressedXContent(mappingBuilder.bytes());
Map withoutType = mapping;
if (mapping.size() == 1 && mapping.containsKey(type)) {
withoutType = (Map) mapping.get(type);
}
initMappers(withoutType);
}
private MappingMetaData() {
this.type = "";
try {
this.source = new CompressedXContent("{}");
} catch (IOException ex) {
throw new IllegalStateException("Cannot create MappingMetaData prototype", ex);
}
}
private void initMappers(Map withoutType) {
if (withoutType.containsKey("_routing")) {
boolean required = false;
Map routingNode = (Map) withoutType.get("_routing");
for (Map.Entry entry : routingNode.entrySet()) {
String fieldName = entry.getKey();
Object fieldNode = entry.getValue();
if (fieldName.equals("required")) {
required = lenientNodeBooleanValue(fieldNode, fieldName);
}
}
this.routing = new Routing(required);
} else {
this.routing = Routing.EMPTY;
}
if (withoutType.containsKey("_timestamp")) {
boolean enabled = false;
String format = TimestampFieldMapper.DEFAULT_DATE_TIME_FORMAT;
String defaultTimestamp = TimestampFieldMapper.Defaults.DEFAULT_TIMESTAMP;
Boolean ignoreMissing = null;
Map timestampNode = (Map) withoutType.get("_timestamp");
for (Map.Entry entry : timestampNode.entrySet()) {
String fieldName = entry.getKey();
Object fieldNode = entry.getValue();
if (fieldName.equals("enabled")) {
enabled = lenientNodeBooleanValue(fieldNode, fieldName);
} else if (fieldName.equals("format")) {
format = fieldNode.toString();
} else if (fieldName.equals("default") && fieldNode != null) {
defaultTimestamp = fieldNode.toString();
} else if (fieldName.equals("ignore_missing")) {
ignoreMissing = lenientNodeBooleanValue(fieldNode, fieldName);
}
}
this.timestamp = new Timestamp(enabled, format, defaultTimestamp, ignoreMissing);
} else {
this.timestamp = Timestamp.EMPTY;
}
if (withoutType.containsKey("_parent")) {
this.hasParentField = true;
} else {
this.hasParentField = false;
}
}
public MappingMetaData(String type, CompressedXContent source, Routing routing, Timestamp timestamp, boolean hasParentField) {
this.type = type;
this.source = source;
this.routing = routing;
this.timestamp = timestamp;
this.hasParentField = hasParentField;
}
void updateDefaultMapping(MappingMetaData defaultMapping) {
if (routing == Routing.EMPTY) {
routing = defaultMapping.routing();
}
if (timestamp == Timestamp.EMPTY) {
timestamp = defaultMapping.timestamp();
}
}
public String type() {
return this.type;
}
public CompressedXContent source() {
return this.source;
}
public boolean hasParentField() {
return hasParentField;
}
/**
* Converts the serialized compressed form of the mappings into a parsed map.
*/
public Map sourceAsMap() throws ElasticsearchParseException {
Map mapping = XContentHelper.convertToMap(source.compressedReference(), true).v2();
if (mapping.size() == 1 && mapping.containsKey(type())) {
// the type name is the root value, reduce it
mapping = (Map) mapping.get(type());
}
return mapping;
}
/**
* Converts the serialized compressed form of the mappings into a parsed map.
*/
public Map getSourceAsMap() throws ElasticsearchParseException {
return sourceAsMap();
}
public Routing routing() {
return this.routing;
}
public Timestamp timestamp() {
return this.timestamp;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(type());
source().writeTo(out);
// routing
out.writeBoolean(routing().required());
// timestamp
out.writeBoolean(timestamp().enabled());
out.writeString(timestamp().format());
out.writeOptionalString(timestamp().defaultTimestamp());
out.writeOptionalBoolean(timestamp().ignoreMissing());
out.writeBoolean(hasParentField());
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MappingMetaData that = (MappingMetaData) o;
if (!routing.equals(that.routing)) return false;
if (!source.equals(that.source)) return false;
if (!timestamp.equals(that.timestamp)) return false;
if (!type.equals(that.type)) return false;
return true;
}
@Override
public int hashCode() {
int result = type.hashCode();
result = 31 * result + source.hashCode();
result = 31 * result + routing.hashCode();
result = 31 * result + timestamp.hashCode();
return result;
}
public MappingMetaData(StreamInput in) throws IOException {
type = in.readString();
source = CompressedXContent.readCompressedString(in);
// routing
routing = new Routing(in.readBoolean());
// timestamp
boolean enabled = in.readBoolean();
String format = in.readString();
String defaultTimestamp = in.readOptionalString();
Boolean ignoreMissing = null;
ignoreMissing = in.readOptionalBoolean();
timestamp = new Timestamp(enabled, format, defaultTimestamp, ignoreMissing);
hasParentField = in.readBoolean();
}
public static Diff readDiffFrom(StreamInput in) throws IOException {
return readDiffFrom(MappingMetaData::new, in);
}
}
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