Package org.wso2.carbon.caching.core.registry

Examples of org.wso2.carbon.caching.core.registry.RegistryCacheEntry


    }

    public byte[] getProcessImage(String processId) {

        QName qName = decode(processId);
        SVGInterface svg = createSVG(qName);
        return svg.toPNGBytes();
    }
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    private SVGInterface createSVG(QName qName) {

        // generate new
        InputStream in = getBpelDescriptor(qName);

        SVGInterface svg = null;

        try {
            svg = BPEL2SVGUtil.generate(in);

            if (svg == null)
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    protected static SVGImpl generateSVGImpl(java.io.InputStream is) throws java.io.IOException {
      byte[] b=new byte[is.available()];
      is.read(b);
   
      BPELInterface bpel = new BPELImpl();
        OMElement bpelStr = bpel.load(new String(b));
       
        bpel.processBpelString(bpelStr);

        LayoutManager layoutManager = BPEL2SVGFactory.getInstance().getLayoutManager();
        layoutManager.setVerticalLayout(true);
        layoutManager.setYSpacing(20);
        layoutManager.setYSpacing(50);
        layoutManager.layoutSVG(bpel.getRootActivity());

        SVGImpl svg = new SVGImpl();
        svg.setRootActivity(bpel.getRootActivity());
       
        return(svg);
    }
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   * @param transformer The optional image transformer
   * @throws java.io.IOException Failed to generate the representation
   */
    public static void generate(java.io.InputStream is, java.io.OutputStream os,
                SVGImageTransformer transformer) throws java.io.IOException {
        SVGImpl svg = generateSVGImpl(is);
       
        if (transformer == null) {
          String str=svg.getHeaders()+svg.generateSVGString();
          os.write(str.getBytes());
        } else {
          transformer.transform(svg, os);
        }
    }
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        layoutManager.setVerticalLayout(true);
        layoutManager.setYSpacing(20);
        layoutManager.setYSpacing(50);
        layoutManager.layoutSVG(bpel.getRootActivity());

        SVGImpl svg = new SVGImpl();
        svg.setRootActivity(bpel.getRootActivity());
       
        return(svg);
    }
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            throw e;
        } finally {
            if (success) {
                try {
                    conn.commit();
                    RegistryCacheEntry e = new RegistryCacheEntry(pathId);
                    String connectionId = null;
                    if (conn.getMetaData() != null) {
                        connectionId = RegistryUtils.getConnectionId(conn);
                    }
                    RegistryCacheKey key =
                            RegistryUtils.buildRegistryCacheKey(connectionId,
                                    CurrentSession.getTenantId(), path);
                    pathCache.put(key, e);

                } catch (SQLException e) {
                    String msg = "Failed to commit transaction. Inserting " + path + ". " +
                            e.getMessage();
                    log.error(msg, e);
                } finally {
                    try {
                        try {
                            if (results != null) {
                                results.close();
                            }
                        } finally {
                            try {
                                if (ps1 != null) {
                                    ps1.close();
                                }
                            } finally {
                                try {
                                    if (ps != null) {
                                        ps.close();
                                    }
                                } finally {
                                    conn.close();
                                }
                            }
                        }
                    } catch (SQLException e) {
                        String msg = RegistryConstants.RESULT_SET_PREPARED_STATEMENT_CLOSE_ERROR +
                                e.getMessage();
                        log.error(msg, e);
                    }
                }
            } else {
                try {
                    conn.rollback();

                } catch (SQLException e) {
                    String msg = "Failed to rollback transaction. Inserting " + path + ". " +
                            e.getMessage();
                    log.error(msg, e);
                } finally {
                    try {
                        try {
                            if (results != null) {
                                results.close();
                            }
                        } finally {
                            try {
                                if (ps != null) {
                                    ps.close();
                                }
                            } finally {
                                if (conn != null) {
                                    conn.close();
                                }
                            }
                        }
                    } catch (SQLException e) {
                        String msg = RegistryConstants.RESULT_SET_PREPARED_STATEMENT_CLOSE_ERROR +
                                e.getMessage();
                        log.error(msg, e);
                    }
                }
            }
        }
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            connectionId = RegistryUtils.getConnectionId(conn);
        }
        RegistryCacheKey key =
                RegistryUtils.buildRegistryCacheKey(connectionId,
                        CurrentSession.getTenantId(), path);
        RegistryCacheEntry result = (RegistryCacheEntry) pathCache.get(key);

        // TODO: FIX: Path Cache should only be updated if the key yields a valid registry path.
        // Recently, this has lead to:
        // org.wso2.carbon.registry.core.exceptions.RegistryException: Failed to add resource to
        // path /_system. Cannot add or update a child row: a foreign key constraint fails
        // (`stratos_db`.`REG_RESOURCE`, CONSTRAINT `REG_RESOURCE_FK_BY_PATH_ID` FOREIGN KEY
        // (`REG_PATH_ID`, `REG_TENANT_ID`) REFERENCES `REG_PATH` (`REG_PATH_ID`, `REG_TENANT_ID`))
        //
        // when registry separation is enabled. Thus, we need a better solution to address this, and
        // a better key which also contains the name of the DB in use. Un-comment the below once
        // this has been done.
        //
        // IMPORTANT: Never remove this comment until we are certain that the current fix is
        // actually working - Senaka.

        if (result != null) {
            return result.getPathId();
        } else {
            ResultSet results = null;
            PreparedStatement ps = null;
            try {
                String sql =
                        "SELECT REG_PATH_ID FROM REG_PATH WHERE REG_PATH_VALUE=? " +
                                "AND REG_TENANT_ID=?";
                ps = conn.prepareStatement(sql);
                ps.setString(1, path);
                ps.setInt(2, CurrentSession.getTenantId());
                results = ps.executeQuery();

                int pathId;
                if (results.next()) {
                    pathId = results.getInt(DatabaseConstants.PATH_ID_FIELD);

                    if (pathId > 0) {
                        RegistryCacheEntry e = new RegistryCacheEntry(pathId);
                        pathCache.put(key, e);
                        return pathId;
                    }
                }

            } catch (SQLException e) {
                String msg = "Failed to retrieving resource from " + path + ". " + e.getMessage();
                log.error(msg, e);
                throw e;
            } finally {
                try {
                    try {
                        if (results != null) {
                            results.close();
                        }
                    } finally {
                        if (ps != null) {
                            ps.close();
                        }
                    }
                } catch (SQLException e) {
                    String msg = RegistryConstants.RESULT_SET_PREPARED_STATEMENT_CLOSE_ERROR +
                            e.getMessage();
                    log.error(msg, e);
                }
            }
        }
        return -1;
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        } else if (scheme.equals(ClusteringConstants.MembershipScheme.MULTICAST_BASED)) {
            membershipScheme = new MulticastBasedMembershipScheme(parameters, primaryDomain,
                                                                  nwConfig.getJoin().getMulticastConfig());
            membershipScheme.init();
        } else if (scheme.equals(HazelcastConstants.AWS_MEMBERSHIP_SCHEME)) {
            membershipScheme = new AWSBasedMembershipScheme(parameters, primaryDomain,
                                                            nwConfig.getJoin().getAwsConfig());
            membershipScheme.init();
        } else {
            String msg = "Invalid membership scheme '" + scheme +
                         "'. Supported schemes are multicast & wka";
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                } catch (InterruptedException ignored) {
                }
                membershipScheme.init();
            }
        } else if (scheme.equals(ClusteringConstants.MembershipScheme.MULTICAST_BASED)) {
            membershipScheme = new MulticastBasedMembershipScheme(parameters, primaryDomain,
                                                                  nwConfig.getJoin().getMulticastConfig());
            membershipScheme.init();
        } else if (scheme.equals(HazelcastConstants.AWS_MEMBERSHIP_SCHEME)) {
            membershipScheme = new AWSBasedMembershipScheme(parameters, primaryDomain,
                                                            nwConfig.getJoin().getAwsConfig());
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    private void configureMembershipScheme(NetworkConfig nwConfig) throws ClusteringFault {
        String scheme = getMembershipScheme();
        log.info("Using " + scheme + " based membership management scheme");
        if (scheme.equals(ClusteringConstants.MembershipScheme.WKA_BASED)) {
            membershipScheme = new WKABasedMembershipScheme(parameters, primaryDomain, wkaMembers,
                                                            primaryHazelcastConfig);
            membershipScheme.init();

            // If well-known members are not connected, wait here
            WKABasedMembershipScheme wkaBasedMembershipScheme =
                    (WKABasedMembershipScheme) membershipScheme;
            long start = System.currentTimeMillis();
            while (!wkaBasedMembershipScheme.areWellKnownMembersAvailable()) {
                if (System.currentTimeMillis() - start > 60000) {
                    log.warn("Waiting for all well-known members to become available");
                    start = System.currentTimeMillis();
                }
                try {
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