11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.bcel.internal.generic;
  23 
  24 /**
  25  * Denote that a class targets InstructionHandles within an InstructionList. Namely
  26  * the following implementers:
  27  *
  28  * @see BranchHandle
  29  * @see LocalVariableGen
  30  * @see CodeExceptionGen
  31  * @version $Id$
  32  */
  33 public interface InstructionTargeter {
  34 
  35     /**
  36      * Checks whether this targeter targets the specified instruction handle.
  37      */
  38     boolean containsTarget(InstructionHandle ih);
  39 
  40     /**
  41      * Replaces the target of this targeter from this old handle to the new handle.
  42      *
  43      * @param old_ih the old handle
  44      * @param new_ih the new handle
  45      * @throws ClassGenException if old_ih is not targeted by this object
  46      */
  47     void updateTarget(InstructionHandle old_ih, InstructionHandle new_ih) throws ClassGenException;
  48 }

  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.bcel.internal.generic;
  23 
  24 /**
  25  * Denote that a class targets InstructionHandles within an InstructionList. Namely
  26  * the following implementers:
  27  *
  28  * @see BranchHandle
  29  * @see LocalVariableGen
  30  * @see CodeExceptionGen

  31  */
  32 public interface InstructionTargeter {
  33 
  34     /**
  35      * Checks whether this targeter targets the specified instruction handle.
  36      */
  37     boolean containsTarget(InstructionHandle ih);
  38 
  39     /**
  40      * Replaces the target of this targeter from this old handle to the new handle.
  41      *
  42      * @param old_ih the old handle
  43      * @param new_ih the new handle
  44      * @throws ClassGenException if old_ih is not targeted by this object
  45      */
  46     void updateTarget(InstructionHandle old_ih, InstructionHandle new_ih) throws ClassGenException;
  47 }