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ISSUE-808: Remove boilerplate code for listAfter and listBefore in PipelineRepository (#891)

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Co-authored-by: Abhi Khune <abhi@Abhis-MacBook-Pro.local>
This commit is contained in:
akhune 2021-10-22 12:00:41 -04:00 committed by GitHub
parent 7bf6de0b40
commit 7f678b165f
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2 changed files with 63 additions and 62 deletions
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80
catalog-rest-service/src/main/java/org/openmetadata/catalog/jdbi3/PipelineRepository.java
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@ -28,11 +28,8 @@ import org.openmetadata.catalog.resources.pipelines.PipelineResource;
import org.openmetadata.catalog.resources.pipelines.PipelineResource.PipelineList;
import org.openmetadata.catalog.type.EntityReference;
import org.openmetadata.catalog.type.TagLabel;
import org.openmetadata.catalog.util.EntityInterface;
import org.openmetadata.catalog.util.EntityUpdater;
import org.openmetadata.catalog.util.EntityUtil;
import org.openmetadata.catalog.util.*;
import org.openmetadata.catalog.util.EntityUtil.Fields;
import org.openmetadata.catalog.util.JsonUtils;
import org.openmetadata.catalog.util.RestUtil.PutResponse;
import org.openmetadata.common.utils.CipherText;
import org.skife.jdbi.v2.sqlobject.Bind;
@ -44,7 +41,9 @@ import org.skife.jdbi.v2.sqlobject.Transaction;
import javax.json.JsonPatch;
import javax.ws.rs.core.Response.Status;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.GeneralSecurityException;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
@ -83,47 +82,48 @@ public abstract class PipelineRepository {
@CreateSqlObject
abstract TagRepository.TagDAO tagDAO();
EntityRepository<Pipeline> entityRepository = new EntityRepository<>() {
@Override
public List<String> listAfter(String fqnPrefix, int limitParam, String after) {
return pipelineDAO().listAfter(fqnPrefix, limitParam, after);
}
@Override
public List<String> listBefore(String fqnPrefix, int limitParam, String before) {
return pipelineDAO().listBefore(fqnPrefix, limitParam, before);
}
@Override
public int listCount(String fqnPrefix) {
return pipelineDAO().listCount(fqnPrefix);
}
@Override
public String getFullyQualifiedName(Pipeline entity) {
return entity.getFullyQualifiedName();
}
@Override
public Pipeline setFields(Pipeline entity, Fields fields) throws IOException, ParseException {
return PipelineRepository.this.setFields(entity, fields);
}
@Override
public ResultList<Pipeline> getResultList(List<Pipeline> entities, String beforeCursor, String afterCursor, int total) throws GeneralSecurityException, UnsupportedEncodingException {
return new PipelineList(entities, beforeCursor, afterCursor, total);
}
};
@Transaction
public PipelineList listAfter(Fields fields, String serviceName, int limitParam, String after) throws IOException,
GeneralSecurityException {
// forward scrolling, if after == null then first page is being asked being asked
List<String> jsons = pipelineDAO().listAfter(serviceName, limitParam + 1, after == null ? "" :
CipherText.instance().decrypt(after));
List<Pipeline> pipelines = new ArrayList<>();
for (String json : jsons) {
pipelines.add(setFields(JsonUtils.readValue(json, Pipeline.class), fields));
}
int total = pipelineDAO().listCount(serviceName);
String beforeCursor, afterCursor = null;
beforeCursor = after == null ? null : pipelines.get(0).getFullyQualifiedName();
if (pipelines.size() > limitParam) { // If extra result exists, then next page exists - return after cursor
pipelines.remove(limitParam);
afterCursor = pipelines.get(limitParam - 1).getFullyQualifiedName();
}
return new PipelineList(pipelines, beforeCursor, afterCursor, total);
public ResultList<Pipeline> listAfter(Fields fields, String serviceName, int limitParam, String after) throws IOException,
GeneralSecurityException, ParseException {
return EntityUtil.listAfter(entityRepository, Pipeline.class, fields, serviceName, limitParam, after);
}
@Transaction
public PipelineList listBefore(Fields fields, String serviceName, int limitParam, String before)
throws IOException, GeneralSecurityException {
// Reverse scrolling - Get one extra result used for computing before cursor
List<String> jsons = pipelineDAO().listBefore(serviceName, limitParam + 1, CipherText.instance().decrypt(before));
List<Pipeline> pipelines = new ArrayList<>();
for (String json : jsons) {
pipelines.add(setFields(JsonUtils.readValue(json, Pipeline.class), fields));
}
int total = pipelineDAO().listCount(serviceName);
String beforeCursor = null, afterCursor;
if (pipelines.size() > limitParam) { // If extra result exists, then previous page exists - return before cursor
pipelines.remove(0);
beforeCursor = pipelines.get(0).getFullyQualifiedName();
}
afterCursor = pipelines.get(pipelines.size() - 1).getFullyQualifiedName();
return new PipelineList(pipelines, beforeCursor, afterCursor, total);
public ResultList<Pipeline> listBefore(Fields fields, String serviceName, int limitParam, String before)
throws IOException, GeneralSecurityException, ParseException {
return EntityUtil.listBefore(entityRepository, Pipeline.class, fields, serviceName, limitParam, before);
}
@Transaction

7
catalog-rest-service/src/main/java/org/openmetadata/catalog/resources/pipelines/PipelineResource.java
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@ -62,6 +62,7 @@ import javax.ws.rs.core.UriInfo;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.GeneralSecurityException;
import java.text.ParseException;
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
@ -134,7 +135,7 @@ public class PipelineResource {
content = @Content(mediaType = "application/json",
schema = @Schema(implementation = PipelineList.class)))
})
public PipelineList list(@Context UriInfo uriInfo,
public ResultList<Pipeline> list(@Context UriInfo uriInfo,
@Context SecurityContext securityContext,
@Parameter(description = "Fields requested in the returned resource",
schema = @Schema(type = "string", example = FIELDS))
@ -154,11 +155,11 @@ public class PipelineResource {
@Parameter(description = "Returns list of pipelines after this cursor",
schema = @Schema(type = "string"))
@QueryParam("after") String after
) throws IOException, GeneralSecurityException {
) throws IOException, GeneralSecurityException, ParseException {
RestUtil.validateCursors(before, after);
Fields fields = new Fields(FIELD_LIST, fieldsParam);
PipelineList pipelines;
ResultList<Pipeline> pipelines;
if (before != null) { // Reverse paging
pipelines = dao.listBefore(fields, serviceParam, limitParam, before); // Ask for one extra entry
} else { // Forward paging or first page