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This changes adds the support for the get watch API in the high level rest client.
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54 changes: 54 additions & 0 deletions
54
client/rest-high-level/src/main/java/org/elasticsearch/client/watcher/GetWatchRequest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * 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.client.watcher; | ||
|
|
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| import org.elasticsearch.client.Validatable; | ||
| import org.elasticsearch.client.ValidationException; | ||
|
|
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| /** | ||
| * The request to get the watch by name (id) | ||
| */ | ||
| public final class GetWatchRequest implements Validatable { | ||
|
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| private final String id; | ||
|
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| public GetWatchRequest(String watchId) { | ||
| validateId(watchId); | ||
| this.id = watchId; | ||
| } | ||
|
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| private void validateId(String id) { | ||
| ValidationException exception = new ValidationException(); | ||
| if (id == null) { | ||
| exception.addValidationError("watch id is missing"); | ||
| } else if (PutWatchRequest.isValidId(id) == false) { | ||
| exception.addValidationError("watch id contains whitespace"); | ||
| } | ||
| if (exception.validationErrors().isEmpty() == false) { | ||
| throw exception; | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * @return The name of the watch to retrieve | ||
| */ | ||
| public String getId() { | ||
| return id; | ||
| } | ||
| } |
148 changes: 148 additions & 0 deletions
148
client/rest-high-level/src/main/java/org/elasticsearch/client/watcher/GetWatchResponse.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| /* | ||
| * 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.client.watcher; | ||
|
|
||
| import org.elasticsearch.common.ParseField; | ||
| import org.elasticsearch.common.bytes.BytesReference; | ||
| import org.elasticsearch.common.lucene.uid.Versions; | ||
| import org.elasticsearch.common.xcontent.ConstructingObjectParser; | ||
| import org.elasticsearch.common.xcontent.XContentBuilder; | ||
| import org.elasticsearch.common.xcontent.XContentHelper; | ||
| import org.elasticsearch.common.xcontent.XContentParser; | ||
| import org.elasticsearch.common.xcontent.XContentType; | ||
|
|
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| import java.io.IOException; | ||
| import java.util.Map; | ||
| import java.util.Objects; | ||
|
|
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| public class GetWatchResponse { | ||
| private final String id; | ||
| private final long version; | ||
| private final WatchStatus status; | ||
|
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| private final BytesReference source; | ||
| private final XContentType xContentType; | ||
|
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| /** | ||
| * Ctor for missing watch | ||
| */ | ||
| public GetWatchResponse(String id) { | ||
| this(id, Versions.NOT_FOUND, null, null, null); | ||
| } | ||
|
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| public GetWatchResponse(String id, long version, WatchStatus status, BytesReference source, XContentType xContentType) { | ||
| this.id = id; | ||
| this.version = version; | ||
| this.status = status; | ||
| this.source = source; | ||
| this.xContentType = xContentType; | ||
| } | ||
|
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| public String getId() { | ||
| return id; | ||
| } | ||
|
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| public long getVersion() { | ||
| return version; | ||
| } | ||
|
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| public boolean isFound() { | ||
| return version != Versions.NOT_FOUND; | ||
| } | ||
|
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| public WatchStatus getStatus() { | ||
| return status; | ||
| } | ||
|
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| /** | ||
| * Returns the {@link XContentType} of the source | ||
| */ | ||
| public XContentType getContentType() { | ||
| return xContentType; | ||
| } | ||
|
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| /** | ||
| * Returns the serialized watch | ||
| */ | ||
| public BytesReference getSource() { | ||
| return source; | ||
| } | ||
|
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| /** | ||
| * Returns the source as a map | ||
| */ | ||
| public Map<String, Object> getSourceAsMap() { | ||
| return source == null ? null : XContentHelper.convertToMap(source, false, getContentType()).v2(); | ||
| } | ||
|
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
| GetWatchResponse that = (GetWatchResponse) o; | ||
| return version == that.version && | ||
| Objects.equals(id, that.id) && | ||
| Objects.equals(status, that.status) && | ||
| Objects.equals(xContentType, that.xContentType) && | ||
| Objects.equals(source, that.source); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(id, status, source, version); | ||
| } | ||
|
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| private static final ParseField ID_FIELD = new ParseField("_id"); | ||
| private static final ParseField FOUND_FIELD = new ParseField("found"); | ||
| private static final ParseField VERSION_FIELD = new ParseField("_version"); | ||
| private static final ParseField STATUS_FIELD = new ParseField("status"); | ||
| private static final ParseField WATCH_FIELD = new ParseField("watch"); | ||
|
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| private static ConstructingObjectParser<GetWatchResponse, Void> PARSER = | ||
| new ConstructingObjectParser<>("get_watch_response", true, | ||
| a -> { | ||
| boolean isFound = (boolean) a[1]; | ||
| if (isFound) { | ||
| XContentBuilder builder = (XContentBuilder) a[4]; | ||
| BytesReference source = BytesReference.bytes(builder); | ||
| return new GetWatchResponse((String) a[0], (long) a[2], (WatchStatus) a[3], source, builder.contentType()); | ||
| } else { | ||
| return new GetWatchResponse((String) a[0]); | ||
| } | ||
| }); | ||
|
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| static { | ||
| PARSER.declareString(ConstructingObjectParser.constructorArg(), ID_FIELD); | ||
| PARSER.declareBoolean(ConstructingObjectParser.constructorArg(), FOUND_FIELD); | ||
| PARSER.declareLong(ConstructingObjectParser.optionalConstructorArg(), VERSION_FIELD); | ||
| PARSER.declareObject(ConstructingObjectParser.optionalConstructorArg(), | ||
| (parser, context) -> WatchStatus.parse(parser), STATUS_FIELD); | ||
| PARSER.declareObject(ConstructingObjectParser.optionalConstructorArg(), | ||
| (parser, context) -> { | ||
| try (XContentBuilder builder = XContentBuilder.builder(parser.contentType().xContent())) { | ||
| builder.copyCurrentStructure(parser); | ||
| return builder; | ||
| } | ||
| }, WATCH_FIELD); | ||
| } | ||
|
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| public static GetWatchResponse fromXContent(XContentParser parser) throws IOException { | ||
| return PARSER.parse(parser, null); | ||
| } | ||
| } |
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