diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/utils/RestrictionResolver.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/utils/RestrictionResolver.java
new file mode 100644
index 0000000..6227126
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/utils/RestrictionResolver.java
@@ -0,0 +1,255 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed 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.onosproject.yangutils.utils;
+
+import java.util.regex.Pattern;
+import org.onosproject.yangutils.datamodel.YangDataTypes;
+import org.onosproject.yangutils.datamodel.YangRangeInterval;
+import org.onosproject.yangutils.datamodel.YangRangeRestriction;
+import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+import org.onosproject.yangutils.utils.builtindatatype.DataTypeException;
+import org.onosproject.yangutils.utils.builtindatatype.YangBuiltInDataTypeInfo;
+
+import static org.onosproject.yangutils.datamodel.YangDataTypes.DECIMAL64;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.INT16;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.INT32;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.INT64;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.INT8;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.UINT16;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.UINT32;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.UINT64;
+import static org.onosproject.yangutils.datamodel.YangDataTypes.UINT8;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation.ENTRY;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction.constructExtendedListenerErrorMessage;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.UNHANDLED_PARSED_DATA;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerUtil.removeQuotesAndHandleConcat;
+import static org.onosproject.yangutils.utils.YangConstructType.LENGTH_DATA;
+import static org.onosproject.yangutils.utils.YangConstructType.RANGE_DATA;
+import static org.onosproject.yangutils.utils.builtindatatype.BuiltInTypeObjectFactory.getDataObjectFromString;
+
+/**
+ * Represents restriction resolver which provide common utility used by parser
+ * and during linking for restriction resolution.
+ */
+public final class RestrictionResolver {
+
+    private static final String PIPE = "|";
+    private static final String INTERVAL = "..";
+    private static final int MAX_RANGE_BOUNDARY = 2;
+    private static final int MIN_RANGE_BOUNDARY = 1;
+    private static final String MIN_KEYWORD = "min";
+    private static final String MAX_KEYWORD = "max";
+
+    /**
+     * Creates a restriction resolver.
+     */
+    private RestrictionResolver() {
+    }
+
+    /**
+     * Processes the range restriction for parser and linker.
+     *
+     * @param refRangeRestriction    range restriction of referred typedef
+     * @param lineNumber             error line number
+     * @param charPositionInLine     error character position in line
+     * @param hasReferredRestriction whether has referred restriction
+     * @param curRangeString         caller type's range string
+     * @param effectiveType          effective type, when called from linker
+     * @return YANG range restriction
+     */
+    public static YangRangeRestriction processRangeRestriction(YangRangeRestriction refRangeRestriction,
+                                                               int lineNumber, int charPositionInLine,
+                                                               boolean hasReferredRestriction,
+                                                               String curRangeString, YangDataTypes effectiveType) {
+        YangBuiltInDataTypeInfo<?> startValue;
+        YangBuiltInDataTypeInfo<?> endValue;
+        YangRangeRestriction rangeRestriction = new YangRangeRestriction();
+
+        String rangeArgument = removeQuotesAndHandleConcat(curRangeString);
+        String[] rangeArguments = rangeArgument.trim().split(Pattern.quote(PIPE));
+
+        for (String rangePart : rangeArguments) {
+            String startInterval;
+            String endInterval;
+            YangRangeInterval rangeInterval = new YangRangeInterval();
+            String[] rangeBoundary = rangePart.trim().split(Pattern.quote(INTERVAL));
+
+            if (rangeBoundary.length > MAX_RANGE_BOUNDARY) {
+                ParserException parserException = new ParserException("YANG file error : " +
+                        YangConstructType.getYangConstructType(RANGE_DATA) + " " + rangeArgument +
+                        " is not valid.");
+                parserException.setLine(lineNumber);
+                parserException.setCharPosition(charPositionInLine);
+                throw parserException;
+            }
+
+            if (rangeBoundary.length == MIN_RANGE_BOUNDARY) {
+                startInterval = rangeBoundary[0];
+                endInterval = rangeBoundary[0];
+            } else {
+                startInterval = rangeBoundary[0];
+                endInterval = rangeBoundary[1];
+            }
+
+            try {
+                if (hasReferredRestriction && startInterval.equals(MIN_KEYWORD)
+                        && refRangeRestriction.getMinRestrictedvalue() != null) {
+                    startValue = refRangeRestriction.getMinRestrictedvalue();
+                } else if (hasReferredRestriction && startInterval.equals(MAX_KEYWORD)
+                        && refRangeRestriction.getMaxRestrictedvalue() != null) {
+                    startValue = refRangeRestriction.getMaxRestrictedvalue();
+                } else {
+                    startValue = getDataObjectFromString(startInterval, effectiveType);
+                }
+                if (hasReferredRestriction && endInterval.equals(MIN_KEYWORD)
+                        && refRangeRestriction.getMinRestrictedvalue() != null) {
+                    endValue = refRangeRestriction.getMinRestrictedvalue();
+                } else if (hasReferredRestriction && endInterval.equals(MAX_KEYWORD)
+                        && refRangeRestriction.getMaxRestrictedvalue() != null) {
+                    endValue = refRangeRestriction.getMaxRestrictedvalue();
+                } else {
+                    endValue = getDataObjectFromString(endInterval, effectiveType);
+                }
+            } catch (DataTypeException | DataModelException e) {
+                ParserException parserException = new ParserException(e.getMessage());
+                parserException.setLine(lineNumber);
+                parserException.setCharPosition(charPositionInLine);
+                throw parserException;
+            }
+
+            rangeInterval.setStartValue(startValue);
+            rangeInterval.setEndValue(endValue);
+
+            try {
+                rangeRestriction.addRangeRestrictionInterval(rangeInterval);
+            } catch (DataModelException e) {
+                ParserException parserException = new ParserException(constructExtendedListenerErrorMessage(
+                        UNHANDLED_PARSED_DATA, RANGE_DATA, rangeArgument, ENTRY, e.getMessage()));
+                parserException.setLine(lineNumber);
+                parserException.setCharPosition(charPositionInLine);
+                throw parserException;
+            }
+        }
+        return rangeRestriction;
+    }
+
+    /**
+     * Processes the length restriction for parser and linker.
+     *
+     * @param refLengthRestriction   length restriction of referred typedef
+     * @param lineNumber             error line number
+     * @param charPositionInLine     error character position in line
+     * @param hasReferredRestriction whether has referred restriction
+     * @param curLengthString        caller type's length string
+     * @return YANG range restriction
+     */
+    public static YangRangeRestriction processLengthRestriction(YangRangeRestriction refLengthRestriction,
+                                                                int lineNumber, int charPositionInLine,
+                                                                boolean hasReferredRestriction,
+                                                                String curLengthString) {
+
+        YangBuiltInDataTypeInfo<?> startValue;
+        YangBuiltInDataTypeInfo<?> endValue;
+        YangRangeRestriction lengthRestriction = new YangRangeRestriction<>();
+
+        String rangeArgument = removeQuotesAndHandleConcat(curLengthString);
+        String[] rangeArguments = rangeArgument.trim().split(Pattern.quote(PIPE));
+
+        for (String rangePart : rangeArguments) {
+            String startInterval;
+            String endInterval;
+            YangRangeInterval rangeInterval = new YangRangeInterval<>();
+            String[] rangeBoundary = rangePart.trim().split(Pattern.quote(INTERVAL));
+
+            if (rangeBoundary.length > MAX_RANGE_BOUNDARY) {
+                ParserException parserException = new ParserException("YANG file error : " +
+                        YangConstructType.getYangConstructType(LENGTH_DATA) + " " + rangeArgument +
+                        " is not valid.");
+                parserException.setLine(lineNumber);
+                parserException.setCharPosition(charPositionInLine);
+                throw parserException;
+            }
+
+            if (rangeBoundary.length == MIN_RANGE_BOUNDARY) {
+                startInterval = rangeBoundary[0];
+                endInterval = rangeBoundary[0];
+            } else {
+                startInterval = rangeBoundary[0];
+                endInterval = rangeBoundary[1];
+            }
+
+            try {
+                if (hasReferredRestriction && startInterval.equals(MIN_KEYWORD)
+                        && refLengthRestriction.getMinRestrictedvalue() != null) {
+                    startValue = refLengthRestriction.getMinRestrictedvalue();
+                } else if (hasReferredRestriction && startInterval.equals(MAX_KEYWORD)
+                        && refLengthRestriction.getMaxRestrictedvalue() != null) {
+                    startValue = refLengthRestriction.getMaxRestrictedvalue();
+                } else {
+                    startValue = getDataObjectFromString(startInterval, YangDataTypes.UINT64);
+                }
+                if (hasReferredRestriction && endInterval.equals(MIN_KEYWORD)
+                        && refLengthRestriction.getMinRestrictedvalue() != null) {
+                    endValue = refLengthRestriction.getMinRestrictedvalue();
+                } else if (hasReferredRestriction && endInterval.equals(MAX_KEYWORD)
+                        && refLengthRestriction.getMaxRestrictedvalue() != null) {
+                    endValue = refLengthRestriction.getMaxRestrictedvalue();
+                } else {
+                    endValue = getDataObjectFromString(endInterval, YangDataTypes.UINT64);
+                }
+            } catch (DataTypeException | DataModelException e) {
+                ParserException parserException = new ParserException(e.getMessage());
+                parserException.setLine(lineNumber);
+                parserException.setCharPosition(charPositionInLine);
+                throw parserException;
+            }
+
+            rangeInterval.setStartValue(startValue);
+            rangeInterval.setEndValue(endValue);
+
+            try {
+                lengthRestriction.addRangeRestrictionInterval(rangeInterval);
+            } catch (DataModelException e) {
+                ParserException parserException = new ParserException(constructExtendedListenerErrorMessage(
+                        UNHANDLED_PARSED_DATA, LENGTH_DATA, rangeArgument, ENTRY, e.getMessage()));
+                parserException.setLine(lineNumber);
+                parserException.setCharPosition(charPositionInLine);
+                throw parserException;
+            }
+        }
+        return lengthRestriction;
+    }
+
+    /**
+     * Returns whether the data type is of range restricted type.
+     *
+     * @param dataType data type to be checked
+     * @return true, if data type can have range restrictions, false otherwise
+     */
+    public static boolean isOfRangeRestrictedType(YangDataTypes dataType) {
+        return (dataType == INT8
+                || dataType == INT16
+                || dataType == INT32
+                || dataType == INT64
+                || dataType == UINT8
+                || dataType == UINT16
+                || dataType == UINT32
+                || dataType == UINT64
+                || dataType == DECIMAL64);
+    }
+}