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  /*
   * JBoss, Home of Professional Open Source.
   *
   * Copyright 2012 Red Hat, Inc.
   *
   * 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.jboss.classfilewriter.code;
 
 import java.util.List;
builder class used to build a tableswitch statement.

Author(s):
Stuart Douglas
 
 public class TableSwitchBuilder {
 
     private final CodeLocation defaultLocation;
     private final AtomicReference<BranchEnddefaultBranchEnd;
     private final List<ValuePairvalues = new ArrayList<ValuePair>();
     private final int low;
     private final int high;

    
Builds a lookup switch statement with no specified default location. When the lookup switch is added to the code attribute a BranchEnd will be returned that can be used to set the location.

Parameters:
low
high
 
     public TableSwitchBuilder(final int lowfinal int high) {
         this. = low;
         this. = high;
          = new AtomicReference<BranchEnd>();
          = null;
     }

    
Builds a lookup switch statement, specifying the default location

Parameters:
defaultLocation The default location
low
high
 
     public TableSwitchBuilder(final CodeLocation defaultLocationfinal int lowfinal int high) {
         this. = defaultLocation;
         this. = low;
         this. = high;
          = null;
     }

    
Adds a value to the table that is at a location yet to be written. After this lookup switch has been written then the BranchEnd can be retrieved from the returned reference.

Returns:
A reference to the BranchEnd that will be created.
 
     public AtomicReference<BranchEndadd() {
         final AtomicReference<BranchEndend = new AtomicReference<BranchEnd>();
         ValuePair vp = new ValuePair(end);
         .add(vp);
         return end;
     }
    
Adds a value to the table
 
     public TableSwitchBuilder addfinal CodeLocation location) {
         .add(new ValuePair(location));
         return this;
     }
 
     public CodeLocation getDefaultLocation() {
         return ;
     }
 
         return ;
     }
 
     public List<ValuePairgetValues() {
        return Collections.unmodifiableList();
    }
    public int getLow() {
        return ;
    }
    public int getHigh() {
        return ;
    }
    public static class ValuePair {
        private final CodeLocation location;
        private final AtomicReference<BranchEndbranchEnd;
        public ValuePair(final AtomicReference<BranchEndbranchEnd) {
            this. = null;
            this. = branchEnd;
        }
        public ValuePair(final CodeLocation location) {
            this. = location;
            this. = null;
        }
        public CodeLocation getLocation() {
            return ;
        }
        public AtomicReference<BranchEndgetBranchEnd() {
            return ;
        }
    }
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