JDK 11 java.management.jmod - Management Module

JDK 11 java.management.jmod is the JMOD file for JDK 11 Management module.

JDK 11 Management module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.management.jmod.

JDK 11 Management module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Management module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.management.

You can click and view the content of each source code file in the list below.

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javax/management/relation/RelationTypeSupport.java

/*
 * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
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 *
 *
 *
 *
 *
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 *
 *
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 *
 *
 *
 *
 */

package javax.management.relation;

import static com.sun.jmx.defaults.JmxProperties.RELATION_LOGGER;
import static com.sun.jmx.mbeanserver.Util.cast;
import com.sun.jmx.mbeanserver.GetPropertyAction;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.ObjectStreamField;

import java.security.AccessController;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.lang.System.Logger.Level;

/**
 * A RelationTypeSupport object implements the RelationType interface.
 * <P>It represents a relation type, providing role information for each role
 * expected to be supported in every relation of that type.
 *
 * <P>A relation type includes a relation type name and a list of
 * role infos (represented by RoleInfo objects).
 *
 * <P>A relation type has to be declared in the Relation Service:
 * <P>- either using the createRelationType() method, where a RelationTypeSupport
 * object will be created and kept in the Relation Service
 * <P>- either using the addRelationType() method where the user has to create
 * an object implementing the RelationType interface, and this object will be
 * used as representing a relation type in the Relation Service.
 *
 * <p>The <b>serialVersionUID</b> of this class is <code>4611072955724144607L</code>.
 *
 * @since 1.5
 */
@SuppressWarnings("serial")  // serialVersionUID not constant
public class RelationTypeSupport implements RelationType {

    // Serialization compatibility stuff:
    // Two serial forms are supported in this class. The selected form depends
    // on system property "jmx.serial.form":
    //  - "1.0" for JMX 1.0
    //  - any other value for JMX 1.1 and higher
    //
    // Serial version for old serial form
    private static final long oldSerialVersionUID = -8179019472410837190L;
    //
    // Serial version for new serial form
    private static final long newSerialVersionUID = 4611072955724144607L;
    //
    // Serializable fields in old serial form
    private static final ObjectStreamField[] oldSerialPersistentFields =
    {
      new ObjectStreamField("myTypeName", String.class),
      new ObjectStreamField("myRoleName2InfoMap", HashMap.class),
      new ObjectStreamField("myIsInRelServFlg", boolean.class)
    };
    //
    // Serializable fields in new serial form
    private static final ObjectStreamField[] newSerialPersistentFields =
    {
      new ObjectStreamField("typeName", String.class),
      new ObjectStreamField("roleName2InfoMap", Map.class),
      new ObjectStreamField("isInRelationService", boolean.class)
    };
    //
    // Actual serial version and serial form
    private static final long serialVersionUID;
    /**
     * @serialField typeName String Relation type name
     * @serialField roleName2InfoMap Map {@link Map} holding the mapping:
     *              &lt;role name ({@link String})&gt; -&gt; &lt;role info ({@link RoleInfo} object)&gt;
     * @serialField isInRelationService boolean Flag specifying whether the relation type has been declared in the
     *              Relation Service (so can no longer be updated)
     */
    private static final ObjectStreamField[] serialPersistentFields;
    private static boolean compat = false;
    static {
        try {
            GetPropertyAction act = new GetPropertyAction("jmx.serial.form");
            String form = AccessController.doPrivileged(act);
            compat = (form != null && form.equals("1.0"));
        } catch (Exception e) {
            // OK : Too bad, no compat with 1.0
        }
        if (compat) {
            serialPersistentFields = oldSerialPersistentFields;
            serialVersionUID = oldSerialVersionUID;
        } else {
            serialPersistentFields = newSerialPersistentFields;
            serialVersionUID = newSerialVersionUID;
        }
    }
    //
    // END Serialization compatibility stuff

    //
    // Private members
    //

    /**
     * @serial Relation type name
     */
    private String typeName = null;

    /**
     * @serial {@link Map} holding the mapping:
     *           &lt;role name ({@link String})&gt; -&gt; &lt;role info ({@link RoleInfo} object)&gt;
     */
    private Map<String,RoleInfo> roleName2InfoMap =
        new HashMap<String,RoleInfo>();

    /**
     * @serial Flag specifying whether the relation type has been declared in the
     *         Relation Service (so can no longer be updated)
     */
    private boolean isInRelationService = false;

    //
    // Constructors
    //

    /**
     * Constructor where all role definitions are dynamically created and
     * passed as parameter.
     *
     * @param relationTypeName  Name of relation type
     * @param roleInfoArray  List of role definitions (RoleInfo objects)
     *
     * @exception IllegalArgumentException  if null parameter
     * @exception InvalidRelationTypeException  if:
     * <P>- the same name has been used for two different roles
     * <P>- no role info provided
     * <P>- one null role info provided
     */
    public RelationTypeSupport(String relationTypeName,
                            RoleInfo[] roleInfoArray)
        throws IllegalArgumentException,
               InvalidRelationTypeException {

        if (relationTypeName == null || roleInfoArray == null) {
            String excMsg = "Invalid parameter.";
            throw new IllegalArgumentException(excMsg);
        }

        RELATION_LOGGER.log(Level.TRACE, "ENTRY {0}", relationTypeName);

        // Can throw InvalidRelationTypeException, ClassNotFoundException
        // and NotCompliantMBeanException
        initMembers(relationTypeName, roleInfoArray);

        RELATION_LOGGER.log(Level.TRACE, "RETURN");
        return;
    }

    /**
     * Constructor to be used for subclasses.
     *
     * @param relationTypeName  Name of relation type.
     *
     * @exception IllegalArgumentException  if null parameter.
     */
    protected RelationTypeSupport(String relationTypeName)
    {
        if (relationTypeName == null) {
            String excMsg = "Invalid parameter.";
            throw new IllegalArgumentException(excMsg);
        }

        RELATION_LOGGER.log(Level.TRACE, "ENTRY {0}", relationTypeName);

        typeName = relationTypeName;

        RELATION_LOGGER.log(Level.TRACE, "RETURN");
        return;
    }

    //
    // Accessors
    //

    /**
     * Returns the relation type name.
     *
     * @return the relation type name.
     */
    public String getRelationTypeName() {
        return typeName;
    }

    /**
     * Returns the list of role definitions (ArrayList of RoleInfo objects).
     */
    public List<RoleInfo> getRoleInfos() {
        return new ArrayList<RoleInfo>(roleName2InfoMap.values());
    }

    /**
     * Returns the role info (RoleInfo object) for the given role info name
     * (null if not found).
     *
     * @param roleInfoName  role info name
     *
     * @return RoleInfo object providing role definition
     * does not exist
     *
     * @exception IllegalArgumentException  if null parameter
     * @exception RoleInfoNotFoundException  if no role info with that name in
     * relation type.
     */
    public RoleInfo getRoleInfo(String roleInfoName)
        throws IllegalArgumentException,
               RoleInfoNotFoundException {

        if (roleInfoName == null) {
            String excMsg = "Invalid parameter.";
            throw new IllegalArgumentException(excMsg);
        }

        RELATION_LOGGER.log(Level.TRACE, "ENTRY {0}", roleInfoName);

        // No null RoleInfo allowed, so use get()
        RoleInfo result = roleName2InfoMap.get(roleInfoName);

        if (result == null) {
            StringBuilder excMsgStrB = new StringBuilder();
            String excMsg = "No role info for role ";
            excMsgStrB.append(excMsg);
            excMsgStrB.append(roleInfoName);
            throw new RoleInfoNotFoundException(excMsgStrB.toString());
        }

        RELATION_LOGGER.log(Level.TRACE, "RETURN");
        return result;
    }

    //
    // Misc
    //

    /**
     * Add a role info.
     * This method of course should not be used after the creation of the
     * relation type, because updating it would invalidate that the relations
     * created associated to that type still conform to it.
     * Can throw a RuntimeException if trying to update a relation type
     * declared in the Relation Service.
     *
     * @param roleInfo  role info to be added.
     *
     * @exception IllegalArgumentException  if null parameter.
     * @exception InvalidRelationTypeException  if there is already a role
     *  info in current relation type with the same name.
     */
    protected void addRoleInfo(RoleInfo roleInfo)
        throws IllegalArgumentException,
               InvalidRelationTypeException {

        if (roleInfo == null) {
            String excMsg = "Invalid parameter.";
            throw new IllegalArgumentException(excMsg);
        }

        RELATION_LOGGER.log(Level.TRACE, "ENTRY {0}", roleInfo);

        if (isInRelationService) {
            // Trying to update a declared relation type
            String excMsg = "Relation type cannot be updated as it is declared in the Relation Service.";
            throw new RuntimeException(excMsg);
        }

        String roleName = roleInfo.getName();

        // Checks if the role info has already been described
        if (roleName2InfoMap.containsKey(roleName)) {
            StringBuilder excMsgStrB = new StringBuilder();
            String excMsg = "Two role infos provided for role ";
            excMsgStrB.append(excMsg);
            excMsgStrB.append(roleName);
            throw new InvalidRelationTypeException(excMsgStrB.toString());
        }

        roleName2InfoMap.put(roleName, new RoleInfo(roleInfo));

        RELATION_LOGGER.log(Level.TRACE, "RETURN");
        return;
    }

    // Sets the internal flag to specify that the relation type has been
    // declared in the Relation Service
    void setRelationServiceFlag(boolean flag) {
        isInRelationService = flag;
        return;
    }

    // Initializes the members, i.e. type name and role info list.
    //
    // -param relationTypeName  Name of relation type
    // -param roleInfoArray  List of role definitions (RoleInfo objects)
    //
    // -exception IllegalArgumentException  if null parameter
    // -exception InvalidRelationTypeException  If:
    //  - the same name has been used for two different roles
    //  - no role info provided
    //  - one null role info provided
    private void initMembers(String relationTypeName,
                             RoleInfo[] roleInfoArray)
        throws IllegalArgumentException,
               InvalidRelationTypeException {

        if (relationTypeName == null || roleInfoArray == null) {
            String excMsg = "Invalid parameter.";
            throw new IllegalArgumentException(excMsg);
        }

        RELATION_LOGGER.log(Level.TRACE, "ENTRY {0}", relationTypeName);

        typeName = relationTypeName;

        // Verifies role infos before setting them
        // Can throw InvalidRelationTypeException
        checkRoleInfos(roleInfoArray);

        for (int i = 0; i < roleInfoArray.length; i++) {
            RoleInfo currRoleInfo = roleInfoArray[i];
            roleName2InfoMap.put(currRoleInfo.getName(),
                                 new RoleInfo(currRoleInfo));
        }

        RELATION_LOGGER.log(Level.TRACE, "RETURN");
        return;
    }

    // Checks the given RoleInfo array to verify that:
    // - the array is not empty
    // - it does not contain a null element
    // - a given role name is used only for one RoleInfo
    //
    // -param roleInfoArray  array to be checked
    //
    // -exception IllegalArgumentException
    // -exception InvalidRelationTypeException  If:
    //  - the same name has been used for two different roles
    //  - no role info provided
    //  - one null role info provided
    static void checkRoleInfos(RoleInfo[] roleInfoArray)
        throws IllegalArgumentException,
               InvalidRelationTypeException {

        if (roleInfoArray == null) {
            String excMsg = "Invalid parameter.";
            throw new IllegalArgumentException(excMsg);
        }

        if (roleInfoArray.length == 0) {
            // No role info provided
            String excMsg = "No role info provided.";
            throw new InvalidRelationTypeException(excMsg);
        }


        Set<String> roleNames = new HashSet<String>();

        for (int i = 0; i < roleInfoArray.length; i++) {
            RoleInfo currRoleInfo = roleInfoArray[i];

            if (currRoleInfo == null) {
                String excMsg = "Null role info provided.";
                throw new InvalidRelationTypeException(excMsg);
            }

            String roleName = currRoleInfo.getName();

            // Checks if the role info has already been described
            if (roleNames.contains(roleName)) {
                StringBuilder excMsgStrB = new StringBuilder();
                String excMsg = "Two role infos provided for role ";
                excMsgStrB.append(excMsg);
                excMsgStrB.append(roleName);
                throw new InvalidRelationTypeException(excMsgStrB.toString());
            }
            roleNames.add(roleName);
        }

        return;
    }


    /**
     * Deserializes a {@link RelationTypeSupport} from an {@link ObjectInputStream}.
     */
    private void readObject(ObjectInputStream in)
            throws IOException, ClassNotFoundException {
      if (compat)
      {
        // Read an object serialized in the old serial form
        //
        ObjectInputStream.GetField fields = in.readFields();
        typeName = (String) fields.get("myTypeName", null);
        if (fields.defaulted("myTypeName"))
        {
          throw new NullPointerException("myTypeName");
        }
        roleName2InfoMap = cast(fields.get("myRoleName2InfoMap", null));
        if (fields.defaulted("myRoleName2InfoMap"))
        {
          throw new NullPointerException("myRoleName2InfoMap");
        }
        isInRelationService = fields.get("myIsInRelServFlg", false);
        if (fields.defaulted("myIsInRelServFlg"))
        {
          throw new NullPointerException("myIsInRelServFlg");
        }
      }
      else
      {
        // Read an object serialized in the new serial form
        //
        in.defaultReadObject();
      }
    }


    /**
     * Serializes a {@link RelationTypeSupport} to an {@link ObjectOutputStream}.
     */
    private void writeObject(ObjectOutputStream out)
            throws IOException {
      if (compat)
      {
        // Serializes this instance in the old serial form
        //
        ObjectOutputStream.PutField fields = out.putFields();
        fields.put("myTypeName", typeName);
        fields.put("myRoleName2InfoMap", roleName2InfoMap);
        fields.put("myIsInRelServFlg", isInRelationService);
        out.writeFields();
      }
      else
      {
        // Serializes this instance in the new serial form
        //
        out.defaultWriteObject();
      }
    }
}

javax/management/relation/RelationTypeSupport.java

 

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File name: java.management-11.0.1-src.zip
File size: 828174 bytes
Release date: 2018-11-04
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