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Jackson deserialization for ReconConfig

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This commit is contained in:
Antonin Delpeuch 2018-10-21 16:31:58 +01:00
parent 8b41c4e08a
commit 0dae0811b0
9 changed files with 110 additions and 89 deletions
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8
main/src/com/google/refine/commands/recon/ReconcileCommand.java
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@ -35,9 +35,6 @@ package com.google.refine.commands.recon;
import javax.servlet.http.HttpServletRequest;
import org.json.JSONObject;
import org.json.JSONTokener;
import com.google.refine.browsing.EngineConfig;
import com.google.refine.commands.EngineDependentCommand;
import com.google.refine.model.AbstractOperation;
@ -54,9 +51,6 @@ public class ReconcileCommand extends EngineDependentCommand {
String columnName = request.getParameter("columnName");
String configString = request.getParameter("config");
JSONTokener t = new JSONTokener(configString);
JSONObject config = (JSONObject) t.nextValue();
return new ReconOperation(engineConfig, columnName, ReconConfig.reconstruct(config));
return new ReconOperation(engineConfig, columnName, ReconConfig.reconstruct(configString));
}
}

2
main/src/com/google/refine/model/changes/DataExtensionChange.java
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@ -393,7 +393,7 @@ public class DataExtensionChange implements Change {
if (line == null || line.length() == 0) {
columnTypes.add(null);
} else {
columnTypes.add(ReconType.load(ParsingUtilities.evaluateJsonStringToObject(line)));
columnTypes.add(ReconType.load(line));
}
}
} else if ("dataExtensionCount".equals(field)) {

8
main/src/com/google/refine/model/changes/ReconChange.java
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@ -174,19 +174,19 @@ public class ReconChange extends MassCellChange {
if ("newReconConfig".equals(field)) {
if (value.length() > 0) {
newReconConfig = ReconConfig.reconstruct(ParsingUtilities.evaluateJsonStringToObject(value));
newReconConfig = ReconConfig.reconstruct(value);
}
} else if ("newReconStats".equals(field)) {
if (value.length() > 0) {
newReconStats = ReconStats.load(ParsingUtilities.evaluateJsonStringToObject(value));
newReconStats = ParsingUtilities.mapper.readValue(value, ReconStats.class);
}
} else if ("oldReconConfig".equals(field)) {
if (value.length() > 0) {
oldReconConfig = ReconConfig.reconstruct(ParsingUtilities.evaluateJsonStringToObject(value));
oldReconConfig = ReconConfig.reconstruct(value);
}
} else if ("oldReconStats".equals(field)) {
if (value.length() > 0) {
oldReconStats = ReconStats.load(ParsingUtilities.evaluateJsonStringToObject(value));
oldReconStats = ParsingUtilities.mapper.readValue(value, ReconStats.class);
}
} else if ("commonColumnName".equals(field)) {
commonColumnName = value;

29
main/src/com/google/refine/model/recon/ReconConfig.java
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@ -35,17 +35,17 @@ package com.google.refine.model.recon;
import java.io.IOException;
import java.io.Writer;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.databind.annotation.JsonTypeIdResolver;
import com.google.refine.model.Cell;
import com.google.refine.model.Project;
@ -55,6 +55,11 @@ import com.google.refine.util.ParsingUtilities;
import edu.mit.simile.butterfly.ButterflyModule;
@JsonTypeInfo(
use=JsonTypeInfo.Id.CUSTOM,
include=JsonTypeInfo.As.PROPERTY,
property="mode")
@JsonTypeIdResolver(ReconConfigResolver.class)
abstract public class ReconConfig {
final static protected Logger LOGGER = LoggerFactory.getLogger("recon-config");
@ -77,10 +82,7 @@ abstract public class ReconConfig {
classes.add(klass);
}
static public ReconConfig reconstruct(JSONObject obj) throws Exception {
try {
String mode = obj.getString("mode");
static public Class<? extends ReconConfig> getClassFromMode(String mode) {
// Backward compatibility
if ("extend".equals(mode) || "strict".equals(mode)) {
mode = "freebase/" + mode;
@ -92,20 +94,17 @@ abstract public class ReconConfig {
// TODO: This can fail silently if the Freebase extension is not installed.
List<Class<? extends ReconConfig>> classes = s_opNameToClass.get(mode);
System.out.println(classes);
if (classes != null && classes.size() > 0) {
Class<? extends ReconConfig> klass = classes.get(classes.size() - 1);
Method reconstruct = klass.getMethod("reconstruct", JSONObject.class);
if (reconstruct != null) {
return (ReconConfig) reconstruct.invoke(null, obj);
}
}
} catch (Exception e) {
LOGGER.error("Reconstruct failed",e);
return classes.get(classes.size() - 1);
}
return null;
}
static public ReconConfig reconstruct(String json) throws Exception {
return ParsingUtilities.mapper.readValue(json, ReconConfig.class);
}
abstract public int getBatchSize();
abstract public String getBriefDescription(Project project, String columnName);

34
main/src/com/google/refine/model/recon/ReconConfigResolver.java Normal file
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@ -0,0 +1,34 @@
package com.google.refine.model.recon;
import java.io.IOException;
import com.fasterxml.jackson.annotation.JsonTypeInfo.Id;
import com.fasterxml.jackson.databind.DatabindContext;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.jsontype.impl.TypeIdResolverBase;
import com.fasterxml.jackson.databind.type.TypeFactory;
public class ReconConfigResolver extends TypeIdResolverBase {
protected TypeFactory factory = TypeFactory.defaultInstance();
@Override
public Id getMechanism() {
return Id.NAME;
}
@Override
public String idFromValue(Object instance) {
return ((ReconConfig)instance).getMode();
}
@Override
public String idFromValueAndType(Object instance, Class<?> type) {
return ReconConfig.s_opClassToName.get(type);
}
@Override
public JavaType typeFromId(DatabindContext context, String id) throws IOException {
return factory.constructSimpleType(ReconConfig.getClassFromMode(id), new JavaType[0]);
}
}

76
main/src/com/google/refine/model/recon/StandardReconConfig.java
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@ -34,11 +34,11 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package com.google.refine.model.recon;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.time.OffsetDateTime;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
@ -54,6 +54,7 @@ import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
@ -82,56 +83,22 @@ public class StandardReconConfig extends ReconConfig {
@JsonProperty("propertyID")
final public String propertyID;
public ColumnDetail(String columnName, String propertyName, String propertyID) {
@JsonCreator
public ColumnDetail(
@JsonProperty("column")
String columnName,
@JsonProperty("propertyName")
String propertyName,
@JsonProperty("propertyID")
String propertyID) {
this.columnName = columnName;
this.propertyName = propertyName;
this.propertyID = propertyID;
}
}
static public ReconConfig reconstruct(JSONObject obj) throws Exception {
List<ColumnDetail> columnDetails = null;
if (obj.has("columnDetails")) {
JSONArray columnDetailsA = obj.getJSONArray("columnDetails");
int l = columnDetailsA.length();
columnDetails = new ArrayList<ColumnDetail>(l);
for (int i = 0; i < l; i++) {
JSONObject o = columnDetailsA.getJSONObject(i);
if (o.has("property")) { // legacy
JSONObject p = o.getJSONObject("property");
columnDetails.add(new ColumnDetail(
o.getString("column"),
p.has("name") ? p.getString("name") : null,
p.has("id") ? p.getString("id") : null
));
} else {
columnDetails.add(new ColumnDetail(
o.getString("column"),
o.has("propertyName") ? o.getString("propertyName") : null,
o.has("propertyID") ? o.getString("propertyID") : null
));
}
}
} else {
columnDetails = new ArrayList<ColumnDetail>();
}
JSONObject t = obj.has("type") && !obj.isNull("type") ? obj.getJSONObject("type") : null;
int limit = obj.has("limit") && !obj.isNull("limit") ? obj.getInt("limit") : 0;
return new StandardReconConfig(
obj.getString("service"),
obj.has("identifierSpace") ? obj.getString("identifierSpace") : null,
obj.has("schemaSpace") ? obj.getString("schemaSpace") : null,
t == null ? null : t.getString("id"),
t == null ? null : (t.has("name") ? t.getString("name") : null),
obj.getBoolean("autoMatch"),
columnDetails,
limit
);
static public ReconConfig reconstruct(String json) throws IOException {
return ParsingUtilities.mapper.readValue(json, ReconConfig.class);
}
static protected class StandardReconJob extends ReconJob {
@ -162,6 +129,25 @@ public class StandardReconConfig extends ReconConfig {
@JsonProperty("limit")
final private int limit;
@JsonCreator
public StandardReconConfig(
@JsonProperty("service")
String service,
@JsonProperty("identifierSpace")
String identifierSpace,
@JsonProperty("schemaSpace")
String schemaSpace,
@JsonProperty("type")
ReconType type,
@JsonProperty("autoMatch")
boolean autoMatch,
@JsonProperty("columnDetails")
List<ColumnDetail> columnDetails,
@JsonProperty("limit")
int limit) {
this(service, identifierSpace, schemaSpace, type.id, type.name, autoMatch, columnDetails, limit);
}
public StandardReconConfig(
String service,
String identifierSpace,

2
main/src/com/google/refine/operations/recon/ReconOperation.java
View File

@ -81,7 +81,7 @@ public class ReconOperation extends EngineDependentOperation {
return new ReconOperation(
EngineConfig.reconstruct(engineConfig),
obj.getString("columnName"),
ReconConfig.reconstruct(obj.getJSONObject("config"))
ReconConfig.reconstruct(obj.getJSONObject("config").toString())
);
}

3
main/tests/server/src/com/google/refine/tests/model/ReconTypeTest.java
View File

@ -1,7 +1,6 @@
package com.google.refine.tests.model;
import org.json.JSONException;
import org.json.JSONObject;
import org.testng.annotations.Test;
import com.google.refine.model.ReconType;
@ -11,7 +10,7 @@ public class ReconTypeTest {
@Test
public void serializeReconType() throws JSONException, Exception {
String json = "{\"id\":\"Q7540126\",\"name\":\"headquarters\"}";
ReconType rt = ReconType.load(new JSONObject(json));
ReconType rt = ReconType.load(json);
TestUtils.isSerializedTo(rt, json);
}
}

13
main/tests/server/src/com/google/refine/tests/model/recon/StandardReconConfigTests.java
View File

@ -2,19 +2,28 @@ package com.google.refine.tests.model.recon;
import java.util.ArrayList;
import org.json.JSONObject;
import org.slf4j.LoggerFactory;
import org.testng.Assert;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import com.google.refine.model.recon.ReconConfig;
import com.google.refine.model.recon.StandardReconConfig;
import com.google.refine.operations.OperationRegistry;
import com.google.refine.operations.recon.ReconOperation;
import com.google.refine.tests.RefineTest;
import com.google.refine.tests.util.TestUtils;
public class StandardReconConfigTests extends RefineTest {
@BeforeMethod
public void registerOperation() {
OperationRegistry.registerOperation(getCoreModule(), "recon", ReconOperation.class);
ReconConfig.registerReconConfig(getCoreModule(), "standard-service", StandardReconConfig.class);
}
@Override
@BeforeTest
public void init() {
@ -74,7 +83,7 @@ public class StandardReconConfigTests extends RefineTest {
" ],\n" +
" \"limit\": 0\n" +
" }";
ReconConfig config = StandardReconConfig.reconstruct(new JSONObject(json));
ReconConfig config = ReconConfig.reconstruct(json);
TestUtils.isSerializedTo(config, json);
}
}