SONAR-7414 Change Sensor API to update Issue#effortToFix to Issue#gap

23 files changed, 96 insertions, 63 deletions

diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/issue/TrackerRawInputFactory.java b/server/sonar-server/src/main/java/org/sonar/server/computation/issue/TrackerRawInputFactory.java
index b557b1a0133..4af4e673a9c 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/issue/TrackerRawInputFactory.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/issue/TrackerRawInputFactory.java
@@ -125,8 +125,8 @@ public class TrackerRawInputFactory {
       if (reportIssue.hasSeverity()) {
         issue.setSeverity(reportIssue.getSeverity().name());
       }
-      if (reportIssue.hasEffortToFix()) {
-        issue.setGap(reportIssue.getEffortToFix());
+      if (reportIssue.hasGap()) {
+        issue.setGap(reportIssue.getGap());
       }
       DbIssues.Locations.Builder dbLocationsBuilder = DbIssues.Locations.newBuilder();
       if (reportIssue.hasTextRange()) {
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/issue/TrackerRawInputFactoryTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/issue/TrackerRawInputFactoryTest.java
index 90c6399d0ab..c2d2baab706 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/issue/TrackerRawInputFactoryTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/issue/TrackerRawInputFactoryTest.java
@@ -93,7 +93,7 @@ public class TrackerRawInputFactoryTest {
       .setRuleRepository("java")
       .setRuleKey("S001")
       .setSeverity(Constants.Severity.BLOCKER)
-      .setEffortToFix(3.14)
+      .setGap(3.14)
       .build();
     reportReader.putIssues(FILE.getReportAttributes().getRef(), asList(reportIssue));
     Input<DefaultIssue> input = underTest.create(FILE);
@@ -107,6 +107,7 @@ public class TrackerRawInputFactoryTest {
     assertThat(issue.severity()).isEqualTo(Severity.BLOCKER);
     assertThat(issue.line()).isEqualTo(2);
     assertThat(issue.effortToFix()).isEqualTo(3.14);
+    assertThat(issue.gap()).isEqualTo(3.14);
     assertThat(issue.message()).isEqualTo("the message");
 
     // fields set by compute engine
diff --git a/sonar-batch-protocol/src/main/protobuf/batch_report.proto b/sonar-batch-protocol/src/main/protobuf/batch_report.proto
index 2913e856fb2..2abebf20e00 100644
--- a/sonar-batch-protocol/src/main/protobuf/batch_report.proto
+++ b/sonar-batch-protocol/src/main/protobuf/batch_report.proto
@@ -100,7 +100,7 @@ message Issue {
   optional int32 line = 3;
   optional string msg = 4;
   optional Severity severity = 5;
-  optional double effort_to_fix = 6;
+  optional double gap = 6;
   // Only when issue component is a file. Can also be empty for a file if this is an issue global to the file.
   optional TextRange text_range = 7;
   repeated Flow flow = 8;
diff --git a/sonar-batch/src/main/java/org/sonar/batch/issue/DefaultFilterableIssue.java b/sonar-batch/src/main/java/org/sonar/batch/issue/DefaultFilterableIssue.java
index a66d2cefa50..a7f28e5bfa4 100644
--- a/sonar-batch/src/main/java/org/sonar/batch/issue/DefaultFilterableIssue.java
+++ b/sonar-batch/src/main/java/org/sonar/batch/issue/DefaultFilterableIssue.java
@@ -19,16 +19,13 @@
  */
 package org.sonar.batch.issue;
 
+import java.util.Date;
 import org.apache.commons.lang.builder.ToStringBuilder;
 import org.apache.commons.lang.builder.ToStringStyle;
-
 import org.sonar.api.resources.Project;
 import org.sonar.api.rule.RuleKey;
-
-import java.util.Date;
-
-import org.sonar.batch.protocol.output.BatchReport.Issue;
 import org.sonar.api.scan.issue.filter.FilterableIssue;
+import org.sonar.batch.protocol.output.BatchReport.Issue;
 
 public class DefaultFilterableIssue implements FilterableIssue {
   private final Issue rawIssue;
@@ -68,8 +65,13 @@ public class DefaultFilterableIssue implements FilterableIssue {
   }
 
   @Override
+  public Double gap() {
+    return rawIssue.hasGap() ? rawIssue.getGap() : null;
+  }
+
+  @Override
   public Double effortToFix() {
-    return rawIssue.hasEffortToFix() ? rawIssue.getEffortToFix() : null;
+    return gap();
   }
 
   @Override
diff --git a/sonar-batch/src/main/java/org/sonar/batch/issue/DeprecatedIssueAdapterForFilter.java b/sonar-batch/src/main/java/org/sonar/batch/issue/DeprecatedIssueAdapterForFilter.java
index 567f66a3fcf..f6df0fdbd39 100644
--- a/sonar-batch/src/main/java/org/sonar/batch/issue/DeprecatedIssueAdapterForFilter.java
+++ b/sonar-batch/src/main/java/org/sonar/batch/issue/DeprecatedIssueAdapterForFilter.java
@@ -88,7 +88,7 @@ class DeprecatedIssueAdapterForFilter implements Issue {
 
   @Override
   public Double gap() {
-    return rawIssue.hasEffortToFix() ? rawIssue.getEffortToFix() : null;
+    return rawIssue.hasGap() ? rawIssue.getGap() : null;
   }
 
   @Override
diff --git a/sonar-batch/src/main/java/org/sonar/batch/issue/IssueTransformer.java b/sonar-batch/src/main/java/org/sonar/batch/issue/IssueTransformer.java
index 53905a2e5cf..b606854be93 100644
--- a/sonar-batch/src/main/java/org/sonar/batch/issue/IssueTransformer.java
+++ b/sonar-batch/src/main/java/org/sonar/batch/issue/IssueTransformer.java
@@ -19,26 +19,23 @@
  */
 package org.sonar.batch.issue;
 
-import org.sonar.batch.issue.tracking.SourceHashHolder;
-
-import org.sonar.batch.protocol.input.BatchInput.ServerIssue;
 import com.google.common.base.Preconditions;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Date;
+import java.util.List;
+import javax.annotation.Nullable;
 import org.sonar.api.issue.Issue;
 import org.sonar.api.rule.RuleKey;
 import org.sonar.batch.index.BatchComponent;
+import org.sonar.batch.issue.tracking.SourceHashHolder;
 import org.sonar.batch.issue.tracking.TrackedIssue;
+import org.sonar.batch.protocol.input.BatchInput.ServerIssue;
 import org.sonar.batch.protocol.output.BatchReport;
 import org.sonar.batch.protocol.output.BatchReport.TextRange;
 import org.sonar.core.component.ComponentKeys;
 import org.sonar.core.util.Uuids;
 
-import javax.annotation.Nullable;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Date;
-import java.util.List;
-
 public class IssueTransformer {
   private IssueTransformer() {
     // static only
@@ -96,7 +93,7 @@ public class IssueTransformer {
     issue.setKey(Uuids.createFast());
     issue.setComponentKey(component.key());
     issue.setRuleKey(ruleKey);
-    issue.setEffortToFix(rawIssue.hasEffortToFix() ? rawIssue.getEffortToFix() : null);
+    issue.setGap(rawIssue.hasGap() ? rawIssue.getGap() : null);
     issue.setSeverity(rawIssue.getSeverity().name());
     issue.setMessage(rawIssue.hasMsg() ? rawIssue.getMsg() : null);
     issue.setResolution(null);
diff --git a/sonar-batch/src/main/java/org/sonar/batch/issue/ModuleIssues.java b/sonar-batch/src/main/java/org/sonar/batch/issue/ModuleIssues.java
index eff02beb953..fb798fd563b 100644
--- a/sonar-batch/src/main/java/org/sonar/batch/issue/ModuleIssues.java
+++ b/sonar-batch/src/main/java/org/sonar/batch/issue/ModuleIssues.java
@@ -91,9 +91,9 @@ public class ModuleIssues {
       builder.setLine(primaryTextRange.start().line());
       builder.setTextRange(toProtobufTextRange(primaryTextRange));
     }
-    Double effortToFix = issue.effortToFix();
-    if (effortToFix != null) {
-      builder.setEffortToFix(effortToFix);
+    Double gap = issue.gap();
+    if (gap != null) {
+      builder.setGap(gap);
     }
     applyFlows(issue);
     BatchReport.Issue rawIssue = builder.build();
diff --git a/sonar-batch/src/main/java/org/sonar/batch/issue/TrackedIssueAdapter.java b/sonar-batch/src/main/java/org/sonar/batch/issue/TrackedIssueAdapter.java
index f8f21ea2e0e..19027847d9d 100644
--- a/sonar-batch/src/main/java/org/sonar/batch/issue/TrackedIssueAdapter.java
+++ b/sonar-batch/src/main/java/org/sonar/batch/issue/TrackedIssueAdapter.java
@@ -79,7 +79,7 @@ public class TrackedIssueAdapter implements Issue {
 
   @Override
   public Double gap() {
-    return issue.effortToFix();
+    return issue.gap();
   }
 
   @Override
diff --git a/sonar-batch/src/main/java/org/sonar/batch/issue/tracking/TrackedIssue.java b/sonar-batch/src/main/java/org/sonar/batch/issue/tracking/TrackedIssue.java
index 16f4273b67e..ea303bf6a4f 100644
--- a/sonar-batch/src/main/java/org/sonar/batch/issue/tracking/TrackedIssue.java
+++ b/sonar-batch/src/main/java/org/sonar/batch/issue/tracking/TrackedIssue.java
@@ -39,7 +39,7 @@ public class TrackedIssue implements Trackable, Serializable {
   private Integer startLineOffset;
   private Integer endLine;
   private Integer endLineOffset;
-  private Double effortToFix;
+  private Double gap;
   private boolean isNew;
   private Date creationDate;
   private String resolution;
@@ -186,8 +186,8 @@ public class TrackedIssue implements Trackable, Serializable {
     return severity;
   }
 
-  public Double effortToFix() {
-    return effortToFix;
+  public Double gap() {
+    return gap;
   }
 
   public Date getCreationDate() {
@@ -222,8 +222,8 @@ public class TrackedIssue implements Trackable, Serializable {
     return this;
   }
 
-  public TrackedIssue setEffortToFix(Double effortToFix) {
-    this.effortToFix = effortToFix;
+  public TrackedIssue setGap(Double gap) {
+    this.gap = gap;
     return this;
   }
 
diff --git a/sonar-batch/src/main/java/org/sonar/batch/postjob/DefaultPostJobContext.java b/sonar-batch/src/main/java/org/sonar/batch/postjob/DefaultPostJobContext.java
index 75a80981793..02b1582b999 100644
--- a/sonar-batch/src/main/java/org/sonar/batch/postjob/DefaultPostJobContext.java
+++ b/sonar-batch/src/main/java/org/sonar/batch/postjob/DefaultPostJobContext.java
@@ -108,7 +108,7 @@ public class DefaultPostJobContext implements PostJobContext {
 
     @Override
     public Double effortToFix() {
-      return wrapped.effortToFix();
+      return wrapped.gap();
     }
 
     @Override
diff --git a/sonar-batch/src/main/java/org/sonar/batch/scan/report/JSONReport.java b/sonar-batch/src/main/java/org/sonar/batch/scan/report/JSONReport.java
index 3ad574574d9..f0c2e2b6da7 100644
--- a/sonar-batch/src/main/java/org/sonar/batch/scan/report/JSONReport.java
+++ b/sonar-batch/src/main/java/org/sonar/batch/scan/report/JSONReport.java
@@ -148,7 +148,7 @@ public class JSONReport implements Reporter {
           .prop("resolution", issue.resolution())
           .prop("isNew", issue.isNew())
           .prop("assignee", issue.assignee())
-          .prop("effortToFix", issue.effortToFix())
+          .prop("effortToFix", issue.gap())
           .propDateTime("creationDate", issue.creationDate());
         if (!StringUtils.isEmpty(issue.reporter())) {
           logins.add(issue.reporter());
diff --git a/sonar-batch/src/test/java/org/sonar/batch/issue/DefaultFilterableIssueTest.java b/sonar-batch/src/test/java/org/sonar/batch/issue/DefaultFilterableIssueTest.java
index 8c0c70d822e..4e1ed3d053a 100644
--- a/sonar-batch/src/test/java/org/sonar/batch/issue/DefaultFilterableIssueTest.java
+++ b/sonar-batch/src/test/java/org/sonar/batch/issue/DefaultFilterableIssueTest.java
@@ -47,7 +47,7 @@ public class DefaultFilterableIssueTest {
   private Issue createIssue() {
     Issue.Builder builder = Issue.newBuilder();
 
-    builder.setEffortToFix(3.0);
+    builder.setGap(3.0);
     builder.setLine(30);
     builder.setSeverity(Severity.MAJOR);
     return builder.build();
diff --git a/sonar-batch/src/test/java/org/sonar/batch/issue/DeprecatedIssueAdapterForFilterTest.java b/sonar-batch/src/test/java/org/sonar/batch/issue/DeprecatedIssueAdapterForFilterTest.java
index 952b0c587fd..ba835314e53 100644
--- a/sonar-batch/src/test/java/org/sonar/batch/issue/DeprecatedIssueAdapterForFilterTest.java
+++ b/sonar-batch/src/test/java/org/sonar/batch/issue/DeprecatedIssueAdapterForFilterTest.java
@@ -52,7 +52,7 @@ public class DeprecatedIssueAdapterForFilterTest {
         .setSeverity(Severity.BLOCKER)
         .setMsg("msg")
         .setLine(1)
-        .setEffortToFix(2.0)
+        .setGap(2.0)
         .build(),
       COMPONENT_KEY);
 
diff --git a/sonar-batch/src/test/java/org/sonar/batch/issue/TrackedIssueAdapterTest.java b/sonar-batch/src/test/java/org/sonar/batch/issue/TrackedIssueAdapterTest.java
index 268ee46371f..11fc560b318 100644
--- a/sonar-batch/src/test/java/org/sonar/batch/issue/TrackedIssueAdapterTest.java
+++ b/sonar-batch/src/test/java/org/sonar/batch/issue/TrackedIssueAdapterTest.java
@@ -39,7 +39,7 @@ public class TrackedIssueAdapterTest {
       .setSeverity("MAJOR")
       .setMessage("msg")
       .setStartLine(1)
-      .setEffortToFix(2.0)
+      .setGap(2.0)
       .setStatus("RESOLVED")
       .setResolution("FIXED")
       .setReporter("toto")
diff --git a/sonar-batch/src/test/java/org/sonar/batch/mediumtest/fs/ProjectBuilderMediumTest.java b/sonar-batch/src/test/java/org/sonar/batch/mediumtest/fs/ProjectBuilderMediumTest.java
index 70d31c2f8a2..418b1104404 100644
--- a/sonar-batch/src/test/java/org/sonar/batch/mediumtest/fs/ProjectBuilderMediumTest.java
+++ b/sonar-batch/src/test/java/org/sonar/batch/mediumtest/fs/ProjectBuilderMediumTest.java
@@ -19,9 +19,11 @@
  */
 package org.sonar.batch.mediumtest.fs;
 
-import org.sonar.api.utils.MessageException;
-
 import com.google.common.collect.ImmutableMap;
+import java.io.File;
+import java.io.IOException;
+import java.util.Date;
+import java.util.List;
 import org.apache.commons.io.FileUtils;
 import org.junit.After;
 import org.junit.Before;
@@ -29,24 +31,20 @@ import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
 import org.junit.rules.TemporaryFolder;
+import org.sonar.api.utils.MessageException;
 import org.sonar.batch.mediumtest.BatchMediumTester;
 import org.sonar.batch.mediumtest.TaskResult;
 import org.sonar.batch.protocol.output.BatchReport.Issue;
 import org.sonar.xoo.XooPlugin;
 import org.sonar.xoo.rule.XooRulesDefinition;
 
-import java.io.File;
-import java.io.IOException;
-import java.util.Date;
-import java.util.List;
-
 import static org.assertj.core.api.Assertions.assertThat;
 
 public class ProjectBuilderMediumTest {
 
   @Rule
   public TemporaryFolder temp = new TemporaryFolder();
-  
+
   @Rule
   public ExpectedException exception = ExpectedException.none();
 
@@ -71,7 +69,7 @@ public class ProjectBuilderMediumTest {
   @Test
   public void testProjectBuilder() throws IOException {
     File baseDir = prepareProject();
-    
+
     TaskResult result = tester.newTask()
       .properties(ImmutableMap.<String, String>builder()
         .put("sonar.task", "scan")
@@ -92,18 +90,18 @@ public class ProjectBuilderMediumTest {
       if (issue.getLine() == 1) {
         foundIssueAtLine1 = true;
         assertThat(issue.getMsg()).isEqualTo("This issue is generated on each line");
-        assertThat(issue.hasEffortToFix()).isFalse();
+        assertThat(issue.hasGap()).isFalse();
       }
     }
     assertThat(foundIssueAtLine1).isTrue();
 
   }
-  
+
   @Test
   // SONAR-6976
   public void testProjectBuilderWithNewLine() throws IOException {
     File baseDir = prepareProject();
-    
+
     exception.expect(MessageException.class);
     exception.expectMessage("is not a valid branch name");
     tester.newTask()
@@ -147,12 +145,12 @@ public class ProjectBuilderMediumTest {
       if (issue.getLine() == 1) {
         foundIssueAtLine1 = true;
         assertThat(issue.getMsg()).isEqualTo("This issue is generated on each line");
-        assertThat(issue.hasEffortToFix()).isFalse();
+        assertThat(issue.hasGap()).isFalse();
       }
     }
     assertThat(foundIssueAtLine1).isTrue();
   }
-  
+
   private File prepareProject() throws IOException {
     File baseDir = temp.getRoot();
     File module1Dir = new File(baseDir, "module1");
@@ -163,7 +161,7 @@ public class ProjectBuilderMediumTest {
 
     File xooFile = new File(srcDir, "sample.xoo");
     FileUtils.write(xooFile, "1\n2\n3\n4\n5\n6\n7\n8\n9\n10");
-    
+
     return baseDir;
   }
 
diff --git a/sonar-batch/src/test/java/org/sonar/batch/mediumtest/issues/IssuesMediumTest.java b/sonar-batch/src/test/java/org/sonar/batch/mediumtest/issues/IssuesMediumTest.java
index a6bb661943e..176c51ca5d7 100644
--- a/sonar-batch/src/test/java/org/sonar/batch/mediumtest/issues/IssuesMediumTest.java
+++ b/sonar-batch/src/test/java/org/sonar/batch/mediumtest/issues/IssuesMediumTest.java
@@ -106,7 +106,7 @@ public class IssuesMediumTest {
       .start();
 
     List<Issue> issues = result.issuesFor(result.inputFile("xources/hello/HelloJava.xoo"));
-    assertThat(issues).hasSize(8 /* lines */+ 1 /* file */);
+    assertThat(issues).hasSize(8 /* lines */ + 1 /* file */);
   }
 
   @Test
@@ -170,7 +170,7 @@ public class IssuesMediumTest {
       if (issue.getLine() == 1) {
         foundIssueAtLine1 = true;
         assertThat(issue.getMsg()).isEqualTo("This issue is generated on each line");
-        assertThat(issue.hasEffortToFix()).isFalse();
+        assertThat(issue.hasGap()).isFalse();
       }
     }
     assertThat(foundIssueAtLine1).isTrue();
diff --git a/sonar-batch/src/test/java/org/sonar/batch/postjob/DefaultPostJobContextTest.java b/sonar-batch/src/test/java/org/sonar/batch/postjob/DefaultPostJobContextTest.java
index 9c1abdc2d8c..12f00a55d90 100644
--- a/sonar-batch/src/test/java/org/sonar/batch/postjob/DefaultPostJobContextTest.java
+++ b/sonar-batch/src/test/java/org/sonar/batch/postjob/DefaultPostJobContextTest.java
@@ -61,7 +61,7 @@ public class DefaultPostJobContextTest {
 
     TrackedIssue defaultIssue = new TrackedIssue();
     defaultIssue.setComponentKey("foo:src/Foo.php");
-    defaultIssue.setEffortToFix(2.0);
+    defaultIssue.setGap(2.0);
     defaultIssue.setNew(true);
     defaultIssue.setKey("xyz");
     defaultIssue.setStartLine(1);
diff --git a/sonar-batch/src/test/java/org/sonar/batch/scan/report/JSONReportTest.java b/sonar-batch/src/test/java/org/sonar/batch/scan/report/JSONReportTest.java
index 653b26e09bb..fdeadc562dd 100644
--- a/sonar-batch/src/test/java/org/sonar/batch/scan/report/JSONReportTest.java
+++ b/sonar-batch/src/test/java/org/sonar/batch/scan/report/JSONReportTest.java
@@ -111,7 +111,7 @@ public class JSONReportTest {
     issue.setEndLine(2);
     issue.setStartLineOffset(3);
     issue.setEndLineOffset(4);
-    issue.setEffortToFix(3.14);
+    issue.setGap(3.14);
     issue.setReporter("julien");
     issue.setAssignee("simon");
     issue.setCreationDate(SIMPLE_DATE_FORMAT.parse("2013-04-24"));
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/Issue.java b/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/Issue.java
index 0f3f88cb1a0..1f275390788 100644
--- a/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/Issue.java
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/Issue.java
@@ -48,11 +48,20 @@ public interface Issue {
 
   /**
    * Effort to fix the issue. Used by technical debt model.
+   * @deprecated since 5.5 use {@link #gap()}
    */
   @CheckForNull
+  @Deprecated
   Double effortToFix();
 
   /**
+   * Gap used to compute the effort for fixing the issue.
+   * @since 5.5
+   */
+  @CheckForNull
+  Double gap();
+
+  /**
    * Overridden severity.
    */
   @CheckForNull
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/NewIssue.java b/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/NewIssue.java
index a4a22f50b0e..2dbf02b31d1 100644
--- a/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/NewIssue.java
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/NewIssue.java
@@ -40,10 +40,18 @@ public interface NewIssue {
 
   /**
    * Effort to fix the issue.
+   * @deprecated since 5.5 use {@link #gap(Double)}
    */
+  @Deprecated
   NewIssue effortToFix(@Nullable Double effortToFix);
 
   /**
+   * Gap used for the computation of the effort. 
+   * @since 5.5
+   */
+  NewIssue gap(@Nullable Double gap);
+
+  /**
    * Override severity of the issue.
    * Setting a null value or not calling this method means to use severity configured in quality profile.
    */
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/internal/DefaultIssue.java b/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/internal/DefaultIssue.java
index c2bf9bf12ef..2ee5cc74ab4 100644
--- a/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/internal/DefaultIssue.java
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/internal/DefaultIssue.java
@@ -53,7 +53,7 @@ public class DefaultIssue extends DefaultStorable implements Issue, NewIssue {
   }
 
   private RuleKey ruleKey;
-  private Double effortToFix;
+  private Double gap;
   private Severity overriddenSeverity;
   private IssueLocation primaryLocation;
   private List<List<IssueLocation>> flows = new ArrayList<>();
@@ -74,8 +74,13 @@ public class DefaultIssue extends DefaultStorable implements Issue, NewIssue {
 
   @Override
   public DefaultIssue effortToFix(@Nullable Double effortToFix) {
-    Preconditions.checkArgument(effortToFix == null || effortToFix >= 0, format("Effort to fix must be greater than or equal 0 (got %s)", effortToFix));
-    this.effortToFix = effortToFix;
+    return gap(effortToFix);
+  }
+
+  @Override
+  public DefaultIssue gap(@Nullable Double gap) {
+    Preconditions.checkArgument(gap == null || gap >= 0, format("Gap must be greater than or equal 0 (got %s)", gap));
+    this.gap = gap;
     return this;
   }
 
@@ -125,8 +130,13 @@ public class DefaultIssue extends DefaultStorable implements Issue, NewIssue {
   }
 
   @Override
+  public Double gap() {
+    return this.gap;
+  }
+
+  @Override
   public Double effortToFix() {
-    return this.effortToFix;
+    return this.gap;
   }
 
   @Override
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/scan/issue/filter/FilterableIssue.java b/sonar-plugin-api/src/main/java/org/sonar/api/scan/issue/filter/FilterableIssue.java
index dc66b00b1bb..026ccf439cb 100644
--- a/sonar-plugin-api/src/main/java/org/sonar/api/scan/issue/filter/FilterableIssue.java
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/scan/issue/filter/FilterableIssue.java
@@ -19,9 +19,8 @@
  */
 package org.sonar.api.scan.issue.filter;
 
-import org.sonar.api.rule.RuleKey;
-
 import java.util.Date;
+import org.sonar.api.rule.RuleKey;
 
 /**
  * @since 5.3
@@ -38,8 +37,17 @@ public interface FilterableIssue {
 
   Integer line();
 
+  /**
+   * @deprecated since 5.5 use {@link #gap()}
+   */
+  @Deprecated
   Double effortToFix();
 
+  /**
+   * @since 5.5
+   */
+  Double gap();
+
   Date creationDate();
 
   String projectKey();
diff --git a/sonar-plugin-api/src/test/java/org/sonar/api/batch/sensor/issue/internal/DefaultIssueTest.java b/sonar-plugin-api/src/test/java/org/sonar/api/batch/sensor/issue/internal/DefaultIssueTest.java
index ca629c6baf2..6b380a0c6b7 100644
--- a/sonar-plugin-api/src/test/java/org/sonar/api/batch/sensor/issue/internal/DefaultIssueTest.java
+++ b/sonar-plugin-api/src/test/java/org/sonar/api/batch/sensor/issue/internal/DefaultIssueTest.java
@@ -46,12 +46,12 @@ public class DefaultIssueTest {
         .at(inputFile.selectLine(1))
         .message("Wrong way!"))
       .forRule(RuleKey.of("repo", "rule"))
-      .effortToFix(10.0);
+      .gap(10.0);
 
     assertThat(issue.primaryLocation().inputComponent()).isEqualTo(inputFile);
     assertThat(issue.ruleKey()).isEqualTo(RuleKey.of("repo", "rule"));
     assertThat(issue.primaryLocation().textRange().start().line()).isEqualTo(1);
-    assertThat(issue.effortToFix()).isEqualTo(10.0);
+    assertThat(issue.gap()).isEqualTo(10.0);
     assertThat(issue.primaryLocation().message()).isEqualTo("Wrong way!");
 
     issue.save();