Merge "[Geofence] Write/read entry values to/from satellite block file" into main
diff --git a/src/com/android/phone/satellite/accesscontrol/S2RangeSatelliteOnDeviceAccessController.java b/src/com/android/phone/satellite/accesscontrol/S2RangeSatelliteOnDeviceAccessController.java
index c5ecfd9..845ff18 100644
--- a/src/com/android/phone/satellite/accesscontrol/S2RangeSatelliteOnDeviceAccessController.java
+++ b/src/com/android/phone/satellite/accesscontrol/S2RangeSatelliteOnDeviceAccessController.java
@@ -15,15 +15,11 @@
  */
 package com.android.phone.satellite.accesscontrol;
 
-import static com.android.phone.satellite.accesscontrol.SatelliteAccessController.DEFAULT_REGIONAL_SATELLITE_CONFIG_ID;
-
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.telephony.Rlog;
 
 import com.android.internal.telephony.flags.FeatureFlags;
-import com.android.storage.s2.S2LevelRange;
-
 import com.android.telephony.sats2range.read.SatS2RangeFileReader;
 import com.android.telephony.sats2range.read.SuffixTableRange;
 
@@ -178,18 +174,22 @@
 
     @Override
     @Nullable
-    public Integer getRegionalConfigIdForLocation(LocationToken locationToken)
+    public Integer getRegionalConfigIdForLocation(@NonNull LocationToken locationToken)
             throws IOException {
         if (!mFeatureFlags.carrierRoamingNbIotNtn()) {
             logd("getAccessControlConfigIdForLocation: carrierRoamingNbIotNtn is disabled");
             return null;
         }
 
-        if (!isSatCommunicationAllowedAtLocation(locationToken)) {
-            logd("getRegionalConfigIdForLocation: isSatCommunicationAllowedAtLocation is false");
-            return null;
+        if (locationToken instanceof LocationTokenImpl locationTokenImpl) {
+            return getRegionalConfigIdForLocation(locationTokenImpl.getS2CellId());
+        } else {
+            throw new IllegalArgumentException("Unknown locationToken=" + locationToken);
         }
+    }
 
-        return DEFAULT_REGIONAL_SATELLITE_CONFIG_ID;
+    private Integer getRegionalConfigIdForLocation(long s2CellId) throws IOException {
+        SuffixTableRange entry = mSatS2RangeFileReader.findEntryByCellId(s2CellId);
+        return (entry == null) ? null : entry.getEntryValue();
     }
 }
diff --git a/tests/src/com/android/phone/satellite/accesscontrol/S2RangeSatelliteOnDeviceAccessControllerTest.java b/tests/src/com/android/phone/satellite/accesscontrol/S2RangeSatelliteOnDeviceAccessControllerTest.java
index 678d069..27f3ef7 100644
--- a/tests/src/com/android/phone/satellite/accesscontrol/S2RangeSatelliteOnDeviceAccessControllerTest.java
+++ b/tests/src/com/android/phone/satellite/accesscontrol/S2RangeSatelliteOnDeviceAccessControllerTest.java
@@ -16,20 +16,19 @@
 
 package com.android.phone.satellite.accesscontrol;
 
-import static com.android.phone.satellite.accesscontrol.SatelliteAccessController.DEFAULT_REGIONAL_SATELLITE_CONFIG_ID;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 import static org.mockito.Mockito.doReturn;
 
+import android.annotation.Nullable;
+
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 
 import com.android.internal.telephony.flags.FeatureFlags;
-import com.android.storage.s2.S2LevelRange;
-
 import com.android.telephony.sats2range.read.SatS2RangeFileFormat;
 import com.android.telephony.sats2range.read.SuffixTableRange;
 import com.android.telephony.sats2range.utils.TestUtils;
@@ -73,18 +72,42 @@
 
     @Test
     public void testSatelliteAccessControl_AllowedList() throws Exception {
-        testSatelliteAccessControl(true);
+        testSatelliteAccessControl(true, null);
     }
 
     @Test
     public void testSatelliteAccessControl_DisallowedList() throws Exception {
-        testSatelliteAccessControl(false);
+        testSatelliteAccessControl(false, null);
     }
 
-    private void testSatelliteAccessControl(boolean isAllowedList) throws Exception {
+    @Test
+    public void testSatelliteAccessControl_AllowedList_validEntryValue() throws Exception {
+        testSatelliteAccessControl(true, 1);
+    }
+
+    @Test
+    public void testSatelliteAccessControl_DisallowedList_validEntryValue() {
+        assertThrows(IllegalArgumentException.class,
+                () -> testSatelliteAccessControl(false, 1));
+    }
+
+    private void testSatelliteAccessControl(boolean isAllowedList, @Nullable Integer entryValue)
+            throws Exception {
+        final int defaultEntryValue = -1;
+
+        if (!isAllowedList && entryValue != null) {
+            throw new IllegalArgumentException(
+                    "isAllowedList must be true when entryValue is present.");
+        }
+
+        List<Integer> expectedConfigIds = List.of(1, 1, 3);
         SatS2RangeFileFormat fileFormat = null;
         try {
-            fileFormat = createSatS2File(mFile, isAllowedList);
+            if (entryValue == null) {
+                fileFormat = createSatS2File(mFile, isAllowedList);
+            } else {
+                fileFormat = createSatS2FileWithEntryValue(mFile, isAllowedList, expectedConfigIds);
+            }
         } catch (Exception ex) {
             fail("Got unexpected exception in createSatS2File, ex=" + ex);
         }
@@ -94,6 +117,10 @@
         try {
             accessController = SatelliteOnDeviceAccessController.create(mFile, mMockFeatureFlags);
             int s2Level = accessController.getS2Level();
+            if (entryValue == null) {
+                expectedConfigIds = List.of(defaultEntryValue, defaultEntryValue,
+                        defaultEntryValue);
+            }
 
             // Verify an edge cell of range 1 not in the output file
             S2CellId s2CellId = new S2CellId(TestUtils.createCellId(fileFormat, 1, 1000, 999));
@@ -111,12 +138,7 @@
             assertTrue(isAllowed != isAllowedList);
 
             Integer configId = accessController.getRegionalConfigIdForLocation(locationToken);
-            if (isAllowedList) {
-                assertNull(configId);
-            } else {
-                assertNotNull(configId);
-                assertEquals(DEFAULT_REGIONAL_SATELLITE_CONFIG_ID, (int) configId);
-            }
+            assertNull(configId);
 
             // Verify cells in range1 present in the output file
             for (int suffix = 1000; suffix < 2000; suffix++) {
@@ -130,12 +152,8 @@
                 assertTrue(isAllowed == isAllowedList);
 
                 configId = accessController.getRegionalConfigIdForLocation(locationToken);
-                if (isAllowedList) {
-                    assertNotNull(configId);
-                    assertEquals(DEFAULT_REGIONAL_SATELLITE_CONFIG_ID, (int) configId);
-                } else {
-                    assertNull(configId);
-                }
+                assertNotNull(configId);
+                assertEquals((int) expectedConfigIds.get(0), (int) configId);
             }
 
             // Verify the middle cell not in the output file
@@ -147,12 +165,8 @@
             assertTrue(isAllowed != isAllowedList);
 
             configId = accessController.getRegionalConfigIdForLocation(locationToken);
-            if (isAllowedList) {
-                assertNull(configId);
-            } else {
-                assertNotNull(configId);
-                assertEquals(DEFAULT_REGIONAL_SATELLITE_CONFIG_ID, (int) configId);
-            }
+            assertNull(configId);
+
 
             // Verify cells in range2 present in the output file
             for (int suffix = 2001; suffix < 3000; suffix++) {
@@ -164,12 +178,8 @@
                 assertTrue(isAllowed == isAllowedList);
 
                 configId = accessController.getRegionalConfigIdForLocation(locationToken);
-                if (isAllowedList) {
-                    assertNotNull(configId);
-                    assertEquals(DEFAULT_REGIONAL_SATELLITE_CONFIG_ID, (int) configId);
-                } else {
-                    assertNull(configId);
-                }
+                assertNotNull(configId);
+                assertEquals((int) expectedConfigIds.get(1), (int) configId);
             }
 
             // Verify an edge cell of range 2 not in the output file
@@ -181,12 +191,7 @@
             assertTrue(isAllowed != isAllowedList);
 
             configId = accessController.getRegionalConfigIdForLocation(locationToken);
-            if (isAllowedList) {
-                assertNull(configId);
-            } else {
-                assertNotNull(configId);
-                assertEquals(DEFAULT_REGIONAL_SATELLITE_CONFIG_ID, (int) configId);
-            }
+            assertNull(configId);
 
             // Verify an edge cell of range 3 not in the output file
             s2CellId = new S2CellId(TestUtils.createCellId(fileFormat, 1, 1001, 999));
@@ -197,12 +202,7 @@
             assertTrue(isAllowed != isAllowedList);
 
             configId = accessController.getRegionalConfigIdForLocation(locationToken);
-            if (isAllowedList) {
-                assertNull(configId);
-            } else {
-                assertNotNull(configId);
-                assertEquals(DEFAULT_REGIONAL_SATELLITE_CONFIG_ID, (int) configId);
-            }
+            assertNull(configId);
 
             // Verify cells in range1 present in the output file
             for (int suffix = 1000; suffix < 2000; suffix++) {
@@ -214,12 +214,8 @@
                 assertTrue(isAllowed == isAllowedList);
 
                 configId = accessController.getRegionalConfigIdForLocation(locationToken);
-                if (isAllowedList) {
-                    assertNotNull(configId);
-                    assertEquals(DEFAULT_REGIONAL_SATELLITE_CONFIG_ID, (int) configId);
-                } else {
-                    assertNull(configId);
-                }
+                assertNotNull(configId);
+                assertEquals((int) expectedConfigIds.get(2), (int) configId);
             }
 
             // Verify an edge cell of range 3 not in the output file
@@ -231,12 +227,7 @@
             assertTrue(isAllowed != isAllowedList);
 
             configId = accessController.getRegionalConfigIdForLocation(locationToken);
-            if (isAllowedList) {
-                assertNull(configId);
-            } else {
-                assertNotNull(configId);
-                assertEquals(DEFAULT_REGIONAL_SATELLITE_CONFIG_ID, (int) configId);
-            }
+            assertNull(configId);
 
         } catch (Exception ex) {
             fail("Unexpected exception when validating the output ex=" + ex);
@@ -247,8 +238,8 @@
         }
     }
 
-    private SatS2RangeFileFormat createSatS2File(
-            File file, boolean isAllowedList) throws Exception {
+    private SatS2RangeFileFormat createSatS2File(File file, boolean isAllowedList)
+            throws Exception {
         SatS2RangeFileFormat fileFormat;
         SuffixTableRange range1, range2, range3;
         try (SatS2RangeFileWriter satS2RangeFileWriter = SatS2RangeFileWriter.open(
@@ -276,4 +267,38 @@
         assertTrue(file.length() > 0);
         return fileFormat;
     }
+
+    private SatS2RangeFileFormat createSatS2FileWithEntryValue(
+            File file, boolean isAllowedList, List<Integer> entryValues) throws Exception {
+
+        SatS2RangeFileFormat fileFormat;
+        SuffixTableRange range1, range2, range3;
+        try (SatS2RangeFileWriter satS2RangeFileWriter = SatS2RangeFileWriter.open(
+                file, TestUtils.createS2RangeFileFormat(isAllowedList, 4, 1))) {
+            fileFormat = satS2RangeFileWriter.getFileFormat();
+
+            // Two ranges that share a prefix.
+            range1 = new SuffixTableRange(
+                    TestUtils.createCellId(fileFormat, 1, 1000, 1000),
+                    TestUtils.createCellId(fileFormat, 1, 1000, 2000),
+                    entryValues.get(0));
+            range2 = new SuffixTableRange(
+                    TestUtils.createCellId(fileFormat, 1, 1000, 2001),
+                    TestUtils.createCellId(fileFormat, 1, 1000, 3000),
+                    entryValues.get(1));
+            // This range has a different prefix, so will be in a different suffix table.
+            range3 = new SuffixTableRange(
+                    TestUtils.createCellId(fileFormat, 1, 1001, 1000),
+                    TestUtils.createCellId(fileFormat, 1, 1001, 2000),
+                    entryValues.get(2));
+
+            List<SuffixTableRange> ranges = new ArrayList<>();
+            ranges.add(range1);
+            ranges.add(range2);
+            ranges.add(range3);
+            satS2RangeFileWriter.createSortedSuffixBlocks(ranges.iterator());
+        }
+        assertTrue(file.length() > 0);
+        return fileFormat;
+    }
 }
diff --git a/utils/satellite/s2storage/src/readonly/java/com/android/telephony/sats2range/read/PopulatedSuffixTableBlock.java b/utils/satellite/s2storage/src/readonly/java/com/android/telephony/sats2range/read/PopulatedSuffixTableBlock.java
index 2feccbf..8cb9d1d 100644
--- a/utils/satellite/s2storage/src/readonly/java/com/android/telephony/sats2range/read/PopulatedSuffixTableBlock.java
+++ b/utils/satellite/s2storage/src/readonly/java/com/android/telephony/sats2range/read/PopulatedSuffixTableBlock.java
@@ -58,7 +58,8 @@
             SatS2RangeFileFormat fileFormat, IntValueTypedPackedTable packedTable) {
         mFileFormat = Objects.requireNonNull(fileFormat);
         mPackedTable = Objects.requireNonNull(packedTable);
-        mSuffixTableSharedData = SuffixTableSharedData.fromBytes(packedTable.getSharedData());
+        mSuffixTableSharedData = SuffixTableSharedData.fromTypedData(
+                packedTable.getSharedDataAsTyped(), fileFormat);
 
         // Obtain the prefix. All cellIds in this table will share the same prefix except for end
         // range values (which are exclusive so can be for mPrefix + 1 with a suffix value of 0).
@@ -189,7 +190,8 @@
                     endCellIdSuffix = 0;
                 }
                 long endCellId = mFileFormat.createCellId(endCellPrefixValue, endCellIdSuffix);
-                mSuffixTableRange = new SuffixTableRange(startCellId, endCellId);
+                int entryValue = getEntryValue();
+                mSuffixTableRange = new SuffixTableRange(startCellId, endCellId, entryValue);
             }
             return mSuffixTableRange;
         }
@@ -217,5 +219,9 @@
                     + "mSuffixTableEntry=" + mSuffixTableEntry
                     + '}';
         }
+
+        private int getEntryValue() {
+            return mSuffixTableSharedData.getEntryValue(mSuffixTableEntry.getIndex());
+        }
     }
 }
diff --git a/utils/satellite/s2storage/src/test/java/com/android/telephony/sats2range/SatS2RangeFileReaderTest.java b/utils/satellite/s2storage/src/test/java/com/android/telephony/sats2range/SatS2RangeFileReaderTest.java
index 2797b77..6de40e1 100644
--- a/utils/satellite/s2storage/src/test/java/com/android/telephony/sats2range/SatS2RangeFileReaderTest.java
+++ b/utils/satellite/s2storage/src/test/java/com/android/telephony/sats2range/SatS2RangeFileReaderTest.java
@@ -17,6 +17,7 @@
 package com.android.telephony.sats2range;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
 
 import com.android.telephony.sats2range.read.SatS2RangeFileFormat;
 import com.android.telephony.sats2range.read.SatS2RangeFileReader;
@@ -78,4 +79,67 @@
             assertEquals(expectedRange3, range3);
         }
     }
+
+    @Test
+    public void findEntryByCellIdWithEntryValue() throws IOException {
+        final boolean isAllowedList = true;
+        final int entryValueSizeInBytes = 4;
+        final int versionNumber = 0;
+        final int entryValue1 = 1;
+        final int entryValue2 = 2;
+        final int entryValue3 = 3;
+
+        File file = File.createTempFile("test", ".dat");
+        SatS2RangeFileFormat fileFormat;
+
+        SuffixTableRange expectedRange1, expectedRange2, expectedRange3;
+        try (SatS2RangeFileWriter satS2RangeFileWriter = SatS2RangeFileWriter.open(file,
+                TestUtils.createS2RangeFileFormat(isAllowedList, entryValueSizeInBytes,
+                        versionNumber))) {
+            fileFormat = satS2RangeFileWriter.getFileFormat();
+
+            // Two ranges that share a prefix.
+            expectedRange1 = new SuffixTableRange(
+                    TestUtils.createCellId(fileFormat, 1, 1000, 1000),
+                    TestUtils.createCellId(fileFormat, 1, 1000, 2000),
+                    entryValue1);
+            expectedRange2 = new SuffixTableRange(
+                    TestUtils.createCellId(fileFormat, 1, 1000, 2000),
+                    TestUtils.createCellId(fileFormat, 1, 1000, 3000),
+                    entryValue2);
+            // This range has a different prefix, so will be in a different suffix table.
+            expectedRange3 = new SuffixTableRange(
+                    TestUtils.createCellId(fileFormat, 1, 1001, 1000),
+                    TestUtils.createCellId(fileFormat, 1, 1001, 2000),
+                    entryValue3);
+
+            List<SuffixTableRange> ranges = new ArrayList<>();
+            ranges.add(expectedRange1);
+            ranges.add(expectedRange2);
+            ranges.add(expectedRange3);
+            satS2RangeFileWriter.createSortedSuffixBlocks(ranges.iterator());
+        }
+
+        try (SatS2RangeFileReader satS2RangeFileReader = SatS2RangeFileReader.open(file)) {
+            assertEquals(isAllowedList, satS2RangeFileReader.isAllowedList());
+
+            SuffixTableRange range1 = satS2RangeFileReader.findEntryByCellId(
+                    TestUtils.createCellId(fileFormat, 1, 1000, 1500));
+            assertNotNull(range1);
+            assertEquals(expectedRange1, range1);
+            assertEquals(entryValue1, range1.getEntryValue());
+
+            SuffixTableRange range2 = satS2RangeFileReader.findEntryByCellId(
+                    TestUtils.createCellId(fileFormat, 1, 1000, 2500));
+            assertNotNull(range2);
+            assertEquals(expectedRange2, range2);
+            assertEquals(entryValue2, range2.getEntryValue());
+
+            SuffixTableRange range3 = satS2RangeFileReader.findEntryByCellId(
+                    TestUtils.createCellId(fileFormat, 1, 1001, 1500));
+            assertNotNull(range3);
+            assertEquals(expectedRange3, range3);
+            assertEquals(entryValue3, range3.getEntryValue());
+        }
+    }
 }
diff --git a/utils/satellite/s2storage/src/testutils/java/com/android/telephony/sats2range/testutils/TestUtils.java b/utils/satellite/s2storage/src/testutils/java/com/android/telephony/sats2range/testutils/TestUtils.java
index 3dfc720..ca0b754 100644
--- a/utils/satellite/s2storage/src/testutils/java/com/android/telephony/sats2range/testutils/TestUtils.java
+++ b/utils/satellite/s2storage/src/testutils/java/com/android/telephony/sats2range/testutils/TestUtils.java
@@ -38,6 +38,14 @@
 
     /** Returns a valid {@link SatS2RangeFileFormat}. */
     public static SatS2RangeFileFormat createS2RangeFileFormat(boolean isAllowedList) {
+        return createS2RangeFileFormat(isAllowedList,
+                /* entryValueSizeInBytes */0,
+                /* versionNumber */0);
+    }
+
+    /** Returns a valid {@link SatS2RangeFileFormat}. */
+    public static SatS2RangeFileFormat createS2RangeFileFormat(boolean isAllowedList,
+            int entryValueSizeInBytes, int versionNumber) {
         int dataS2Level = TEST_S2_LEVEL;
         int faceIdBits = 3;
         int bitCountPerLevel = 2;
@@ -48,7 +56,8 @@
         int suffixTableEntryBitCount = 4 * Byte.SIZE;
         int suffixTableBlockIdOffset = 5;
         return new SatS2RangeFileFormat(dataS2Level, prefixBitCount, suffixBitCount,
-                suffixTableBlockIdOffset, suffixTableEntryBitCount, isAllowedList);
+                suffixTableBlockIdOffset, suffixTableEntryBitCount, isAllowedList,
+                entryValueSizeInBytes, versionNumber);
     }
 
     /** Create an S2 cell ID */
diff --git a/utils/satellite/s2storage/src/write/java/com/android/telephony/sats2range/write/SatS2RangeFileWriter.java b/utils/satellite/s2storage/src/write/java/com/android/telephony/sats2range/write/SatS2RangeFileWriter.java
index 3018aec..375707a 100644
--- a/utils/satellite/s2storage/src/write/java/com/android/telephony/sats2range/write/SatS2RangeFileWriter.java
+++ b/utils/satellite/s2storage/src/write/java/com/android/telephony/sats2range/write/SatS2RangeFileWriter.java
@@ -168,36 +168,16 @@
             // Add an empty block.
             blockWriter = SuffixTableWriter.createEmptyBlockWriter();
         } else {
+            List<SuffixTableRange> suffixTableRanges = convertSamePrefixRangesToSuffixTableRanges(
+                    samePrefixRanges);
+            List<Integer> entryValues = getEntryValues(suffixTableRanges);
             // Create a suffix table block.
-            SuffixTableSharedData sharedData = new SuffixTableSharedData(currentPrefix);
+            SuffixTableSharedData sharedData = new SuffixTableSharedData(currentPrefix, entryValues,
+                    mFileFormat);
             SuffixTableWriter suffixTableWriter =
                     SuffixTableWriter.createPopulated(mFileFormat, sharedData);
-            SuffixTableRange lastRange = null;
-            for (SuffixTableRange currentRange : samePrefixRanges) {
-                // Validate ranges don't overlap.
-                if (lastRange != null) {
-                    if (lastRange.overlaps(currentRange)) {
-                        throw new IllegalStateException("lastRange=" + lastRange + " overlaps"
-                                + " currentRange=" + currentRange);
-                    }
-                }
-                lastRange = currentRange;
-
-                // Split the range so it fits.
-                final int maxRangeLength = mFileFormat.getTableEntryMaxRangeLengthValue();
-                long startCellId = currentRange.getStartCellId();
-                long endCellId = currentRange.getEndCellId();
-                int rangeLength = mFileFormat.calculateRangeLength(startCellId, endCellId);
-                while (rangeLength > maxRangeLength) {
-                    long newEndCellId = S2Support.offsetCellId(startCellId, maxRangeLength);
-                    SuffixTableRange suffixTableRange = new SuffixTableRange(startCellId,
-                            newEndCellId);
-                    suffixTableWriter.addRange(suffixTableRange);
-                    startCellId = newEndCellId;
-                    rangeLength = mFileFormat.calculateRangeLength(startCellId, endCellId);
-                }
-                SuffixTableRange suffixTableRange = new SuffixTableRange(startCellId, endCellId);
-                suffixTableWriter.addRange(suffixTableRange);
+            for (SuffixTableRange range : suffixTableRanges) {
+                suffixTableWriter.addRange(range);
             }
             blockWriter = suffixTableWriter;
         }
@@ -237,4 +217,48 @@
     public SatS2RangeFileFormat getFileFormat() {
         return mFileFormat;
     }
+
+    private List<SuffixTableRange> convertSamePrefixRangesToSuffixTableRanges(
+            List<SuffixTableRange> samePrefixRanges) {
+        List<SuffixTableRange> suffixTableRanges = new ArrayList<>();
+        SuffixTableRange lastRange = null;
+        for (SuffixTableRange currentRange : samePrefixRanges) {
+            // Validate ranges don't overlap.
+            if (lastRange != null) {
+                if (lastRange.overlaps(currentRange)) {
+                    throw new IllegalStateException("lastRange=" + lastRange + " overlaps"
+                            + " currentRange=" + currentRange);
+                }
+            }
+            lastRange = currentRange;
+            int entryValue = currentRange.getEntryValue();
+
+            // Split the range so it fits.
+            final int maxRangeLength = mFileFormat.getTableEntryMaxRangeLengthValue();
+            long startCellId = currentRange.getStartCellId();
+            long endCellId = currentRange.getEndCellId();
+            int rangeLength = mFileFormat.calculateRangeLength(startCellId, endCellId);
+            while (rangeLength > maxRangeLength) {
+                long newEndCellId = S2Support.offsetCellId(startCellId, maxRangeLength);
+                SuffixTableRange suffixTableRange =
+                        new SuffixTableRange(startCellId, newEndCellId, entryValue);
+                suffixTableRanges.add(suffixTableRange);
+                startCellId = newEndCellId;
+                rangeLength = mFileFormat.calculateRangeLength(startCellId, endCellId);
+            }
+            SuffixTableRange suffixTableRange =
+                    new SuffixTableRange(startCellId, endCellId, entryValue);
+            suffixTableRanges.add(suffixTableRange);
+        }
+        return suffixTableRanges;
+    }
+
+    private List<Integer> getEntryValues(List<SuffixTableRange> suffixTableRanges) {
+        List<Integer> entryValues = new ArrayList<>();
+        for (SuffixTableRange suffixTableRange : suffixTableRanges) {
+            entryValues.add(suffixTableRange.getEntryValue());
+        }
+        return entryValues;
+    }
+
 }