Package org.eclipse.persistence.internal.databaseaccess

Examples of org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

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    /**
     * INTERNAL: Return the create table statement.
     */
    public Writer buildCreationWriter(AbstractSession session, Writer writer) throws ValidationException {
        try {
            DatabasePlatform platform = session.getPlatform();
            writer.write(getCreationHeader() + getFullName());
            if (getArguments().size() > getFirstArgumentIndex() || platform.requiresProcedureBrackets()) {
                writer.write(" (");
            }
            writer.write("\n");
            for (int i = getFirstArgumentIndex(); i < getArguments().size(); i++) {
                writer.write("\t");
                FieldDefinition argument = (FieldDefinition)getArguments().elementAt(i);
                Integer argumentType = (Integer)getArgumentTypes().elementAt(i);
                if (argumentType == IN) {
                    printArgument(argument, writer, session);
                } else if (argumentType == OUT) {
                    printOutputArgument(argument, writer, session);
                } else if (argumentType == INOUT) {
                    printInOutputArgument(argument, writer, session);
                }
                if (i < (getArguments().size() - 1)) {
                    writer.write(",\n");
                }
            }
            if (getArguments().size() > getFirstArgumentIndex() || platform.requiresProcedureBrackets()) {
                writer.write(")");
            }

            printReturn(writer, session);
            writer.write(platform.getProcedureAsString());
            writer.write("\n");
           
            if (platform.shouldPrintStoredProcedureVariablesAfterBeginString()) {
                writer.write(platform.getProcedureBeginString());
                writer.write("\n");
            }
           
            if (!getVariables().isEmpty()) {
                writer.write("DECLARE\n");
            }

            for (Enumeration variablesEnum = getVariables().elements();
                     variablesEnum.hasMoreElements();) {
                FieldDefinition field = (FieldDefinition)variablesEnum.nextElement();
                writer.write("\t");
                writer.write(field.getName());
                writer.write(" ");
                writer.write(field.getTypeName());
                writer.write(platform.getBatchDelimiterString());
                writer.write("\n");
            }
           
            if (!platform.shouldPrintStoredProcedureVariablesAfterBeginString()) {
                writer.write(platform.getProcedureBeginString());
                writer.write("\n");
            }

            for (Enumeration statementsEnum = getStatements().elements();
                     statementsEnum.hasMoreElements();) {
                writer.write((String)statementsEnum.nextElement());
                writer.write(platform.getBatchDelimiterString());
                writer.write("\n");
            }
            writer.write(platform.getProcedureEndString());
        } catch (IOException ioException) {
            throw ValidationException.fileError(ioException);
        }
        return writer;
    }
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    /**
     * Print the argument and its type.
     */
    protected void printArgument(FieldDefinition argument, Writer writer, AbstractSession session) throws IOException {
        DatabasePlatform platform = session.getPlatform();
        FieldTypeDefinition fieldType;
        if (argument.getType() != null) {
            fieldType = platform.getFieldTypeDefinition(argument.getType());
            if (fieldType == null) {
                throw ValidationException.javaTypeIsNotAValidDatabaseType(argument.getType());
            }
        } else {
            fieldType = new FieldTypeDefinition(argument.getTypeName());
        }
        writer.write(platform.getProcedureArgumentString());
       
        if (platform.shouldPrintInputTokenAtStart()) {
            writer.write(" ");
            writer.write(platform.getInputProcedureToken());
            writer.write(" ");
        }
       
        writer.write(argument.getName());
        writer.write(" ");
        writer.write(fieldType.getName());

        if (fieldType.isSizeAllowed() && platform.allowsSizeInProcedureArguments() && ((argument.getSize() != 0) || (fieldType.isSizeRequired()))) {
            writer.write("(");
            if (argument.getSize() == 0) {
                writer.write(new Integer(fieldType.getDefaultSize()).toString());
            } else {
                writer.write(new Integer(argument.getSize()).toString());
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    /**
     * Print the argument and its type.
     */
    protected void printInOutputArgument(FieldDefinition argument, Writer writer, AbstractSession session) throws ValidationException {
        try {
            DatabasePlatform platform = session.getPlatform();
            FieldTypeDefinition fieldType;
            if (argument.getType() != null) {
                fieldType = platform.getFieldTypeDefinition(argument.getType());
                if (fieldType == null) {
                    throw ValidationException.javaTypeIsNotAValidDatabaseType(argument.getType());
                }
            } else {
                fieldType = new FieldTypeDefinition(argument.getTypeName());
            }
            writer.write(platform.getProcedureArgumentString());           
            if (platform.shouldPrintOutputTokenAtStart()) {
                writer.write(" " + platform.getCreationInOutputProcedureToken() + " ");
            }
            writer.write(argument.getName());
            if ((!platform.shouldPrintOutputTokenAtStart()) && platform.shouldPrintOutputTokenBeforeType()) {
                writer.write(" " + platform.getCreationInOutputProcedureToken());
            }
            writer.write(" " + fieldType.getName());
            if (fieldType.isSizeAllowed() && platform.allowsSizeInProcedureArguments() && ((argument.getSize() != 0) || (fieldType.isSizeRequired()))) {
                writer.write("(");
                if (argument.getSize() == 0) {
                    writer.write(new Integer(fieldType.getDefaultSize()).toString());
                } else {
                    writer.write(new Integer(argument.getSize()).toString());
                }
                if (argument.getSubSize() != 0) {
                    writer.write(",");
                    writer.write(new Integer(argument.getSubSize()).toString());
                } else if (fieldType.getDefaultSubSize() != 0) {
                    writer.write(",");
                    writer.write(new Integer(fieldType.getDefaultSubSize()).toString());
                }
                writer.write(")");
            }
            if ((!platform.shouldPrintOutputTokenAtStart()) && (!platform.shouldPrintOutputTokenBeforeType())) {
                writer.write(" " + platform.getCreationInOutputProcedureToken());
            }
        } catch (IOException ioException) {
            throw ValidationException.fileError(ioException);
        }
    }
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    /**
     * Print the argument and its type.
     */
    protected void printOutputArgument(FieldDefinition argument, Writer writer, AbstractSession session) throws ValidationException {
        try {
            DatabasePlatform platform = session.getPlatform();
            FieldTypeDefinition fieldType;
            if (argument.getType() != null) {
                fieldType = platform.getFieldTypeDefinition(argument.getType());
                if (fieldType == null) {
                    throw ValidationException.javaTypeIsNotAValidDatabaseType(argument.getType());
                }
            } else {
                fieldType = new FieldTypeDefinition(argument.getTypeName());
            }
            writer.write(platform.getProcedureArgumentString());
            if (platform.shouldPrintOutputTokenAtStart()) {
                writer.write(" " + platform.getCreationOutputProcedureToken() + " ");
            }
            writer.write(argument.getName());
            if ((!platform.shouldPrintOutputTokenAtStart()) && platform.shouldPrintOutputTokenBeforeType()) {
                writer.write(" " + platform.getCreationOutputProcedureToken());
            }
            writer.write(" " + fieldType.getName());
            if (fieldType.isSizeAllowed() && platform.allowsSizeInProcedureArguments() && ((argument.getSize() != 0) || (fieldType.isSizeRequired()))) {
                writer.write("(");
                if (argument.getSize() == 0) {
                    writer.write(new Integer(fieldType.getDefaultSize()).toString());
                } else {
                    writer.write(new Integer(argument.getSize()).toString());
                }
                if (argument.getSubSize() != 0) {
                    writer.write(",");
                    writer.write(new Integer(argument.getSubSize()).toString());
                } else if (fieldType.getDefaultSubSize() != 0) {
                    writer.write(",");
                    writer.write(new Integer(fieldType.getDefaultSubSize()).toString());
                }
                writer.write(")");
            }
            if ((!platform.shouldPrintOutputTokenAtStart()) && !platform.shouldPrintOutputTokenBeforeType()) {
                writer.write(" " + platform.getCreationOutputProcedureToken());
            }
        } catch (IOException ioException) {
            throw ValidationException.fileError(ioException);
        }
    }
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    /**
    * INTERNAL:
    */
    public void onConnect() {
        DatabasePlatform dbPlatform = null;
        try {
            dbPlatform = (DatabasePlatform)getDatasourcePlatform();
        } catch (ClassCastException ex) {
            if (getSelectQuery() == null) {
                throw ValidationException.platformDoesNotSupportSequence(getName(), Helper.getShortClassName(getDatasourcePlatform()), Helper.getShortClassName(this));
            }
        }
        if (!dbPlatform.supportsNativeSequenceNumbers() && (getSelectQuery() == null)) {
            throw ValidationException.platformDoesNotSupportSequence(getName(), Helper.getShortClassName(getDatasourcePlatform()), Helper.getShortClassName(this));
        }
        // Set shouldAcquireValueAfterInsert flag: identity -> true; sequence objects -> false.
        if(dbPlatform.supportsIdentity() && shouldUseIdentityIfPlatformSupports()) {
            // identity is both supported by platform and desired by the NativeSequence
            setShouldAcquireValueAfterInsert(true);
        } else if(dbPlatform.supportsSequenceObjects() && !shouldUseIdentityIfPlatformSupports()) {
            // sequence objects is both supported by platform and desired by the NativeSequence
            setShouldAcquireValueAfterInsert(false);
        } else {
            if(dbPlatform.supportsNativeSequenceNumbers()) {
                // platform support contradicts to NativeSequence setting - go with platform supported choice.
                // platform must support either identity or sequence objects (otherwise ValidationException would've been thrown earlier),
                // therefore here dbPlatform.supportsIdentity() == !dbPlatform.supportsSequenceObjects().
                setShouldAcquireValueAfterInsert(dbPlatform.supportsIdentity());
            }
        }
        setShouldUseTransaction(dbPlatform.shouldNativeSequenceUseTransaction());
        super.onConnect();
    }
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     * Bug 2804663 - Each DatabaseAccessor will now hold on to its own instance
     * of this class, hence a singleton pattern is not applicable.
     */
    public LOBValueWriter(Accessor accessor) {
        this.accessor = accessor;
        DatabasePlatform platform = ((DatabaseAccessor)accessor).getPlatform();
        this.isNativeConnectionRequired = platform.isOracle() && ((OraclePlatform)platform).isNativeConnectionRequiredForLobLocator();
    }
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    /**
    * INTERNAL:
    */
    public void onConnect() {
        DatabasePlatform dbPlatform = null;
        try {
            dbPlatform = (DatabasePlatform)getDatasourcePlatform();
        } catch (ClassCastException ex) {
            if (getSelectQuery() == null) {
                throw ValidationException.platformDoesNotSupportSequence(getName(), Helper.getShortClassName(getDatasourcePlatform()), Helper.getShortClassName(this));
            }
        }
        if (!dbPlatform.supportsNativeSequenceNumbers() && (getSelectQuery() == null)) {
            throw ValidationException.platformDoesNotSupportSequence(getName(), Helper.getShortClassName(getDatasourcePlatform()), Helper.getShortClassName(this));
        }
        // Set shouldAcquireValueAfterInsert flag: identity -> true; sequence objects -> false.
        if(dbPlatform.supportsIdentity() && shouldUseIdentityIfPlatformSupports()) {
            // identity is both supported by platform and desired by the NativeSequence
            setShouldAcquireValueAfterInsert(true);
        } else if(dbPlatform.supportsSequenceObjects() && !shouldUseIdentityIfPlatformSupports()) {
            // sequence objects is both supported by platform and desired by the NativeSequence
            setShouldAcquireValueAfterInsert(false);
        } else {
            if(dbPlatform.supportsNativeSequenceNumbers()) {
                // platform support contradicts to NativeSequence setting - go with platform supported choice.
                // platform must support either identity or sequence objects (otherwise ValidationException would've been thrown earlier),
                // therefore here dbPlatform.supportsIdentity() == !dbPlatform.supportsSequenceObjects().
                setShouldAcquireValueAfterInsert(dbPlatform.supportsIdentity());
            }
        }
        setShouldUseTransaction(dbPlatform.shouldNativeSequenceUseTransaction());
        super.onConnect();
    }
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    /**
     * INTERNAL: Return the create table statement.
     */
    public Writer buildCreationWriter(AbstractSession session, Writer writer) throws ValidationException {
        try {
            DatabasePlatform platform = session.getPlatform();
            writer.write(getCreationHeader() + getFullName());
            if (getArguments().size() > getFirstArgumentIndex() || platform.requiresProcedureBrackets()) {
                writer.write(" (");
            }
            writer.write("\n");
            for (int i = getFirstArgumentIndex(); i < getArguments().size(); i++) {
                writer.write("\t");
                FieldDefinition argument = (FieldDefinition)getArguments().elementAt(i);
                Integer argumentType = (Integer)getArgumentTypes().elementAt(i);
                if (argumentType == IN) {
                    printArgument(argument, writer, session);
                } else if (argumentType == OUT) {
                    printOutputArgument(argument, writer, session);
                } else if (argumentType == INOUT) {
                    printInOutputArgument(argument, writer, session);
                }
                if (i < (getArguments().size() - 1)) {
                    writer.write(",\n");
                }
            }
            if (getArguments().size() > getFirstArgumentIndex() || platform.requiresProcedureBrackets()) {
                writer.write(")");
            }

            printReturn(writer, session);
            writer.write(platform.getProcedureAsString());
            writer.write("\n");
           
            if (platform.shouldPrintStoredProcedureVariablesAfterBeginString()) {
                writer.write(platform.getProcedureBeginString());
                writer.write("\n");
            }
           
            if (!getVariables().isEmpty()) {
                writer.write("DECLARE\n");
            }

            for (Enumeration variablesEnum = getVariables().elements();
                     variablesEnum.hasMoreElements();) {
                FieldDefinition field = (FieldDefinition)variablesEnum.nextElement();
                writer.write("\t");
                writer.write(field.getName());
                writer.write(" ");
                writer.write(field.getTypeName());
                writer.write(platform.getBatchDelimiterString());
                writer.write("\n");
            }
           
            if (!platform.shouldPrintStoredProcedureVariablesAfterBeginString()) {
                writer.write(platform.getProcedureBeginString());
                writer.write("\n");
            }

            for (Enumeration statementsEnum = getStatements().elements();
                     statementsEnum.hasMoreElements();) {
                writer.write((String)statementsEnum.nextElement());
                writer.write(platform.getBatchDelimiterString());
                writer.write("\n");
            }
            writer.write(platform.getProcedureEndString());
        } catch (IOException ioException) {
            throw ValidationException.fileError(ioException);
        }
        return writer;
    }
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    /**
     * Print the argument and its type.
     */
    protected void printArgument(FieldDefinition argument, Writer writer, AbstractSession session) throws IOException {
        DatabasePlatform platform = session.getPlatform();
        FieldTypeDefinition fieldType;
        if (argument.getType() != null) {
            fieldType = platform.getFieldTypeDefinition(argument.getType());
            if (fieldType == null) {
                throw ValidationException.javaTypeIsNotAValidDatabaseType(argument.getType());
            }
        } else {
            fieldType = new FieldTypeDefinition(argument.getTypeName());
        }
        writer.write(platform.getProcedureArgumentString());
       
        if (platform.shouldPrintInputTokenAtStart()) {
            writer.write(" ");
            writer.write(platform.getInputProcedureToken());
            writer.write(" ");
        }
       
        writer.write(argument.getName());
        writer.write(" ");
        writer.write(fieldType.getName());

        if (fieldType.isSizeAllowed() && platform.allowsSizeInProcedureArguments() && ((argument.getSize() != 0) || (fieldType.isSizeRequired()))) {
            writer.write("(");
            if (argument.getSize() == 0) {
                writer.write(new Integer(fieldType.getDefaultSize()).toString());
            } else {
                writer.write(new Integer(argument.getSize()).toString());
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    /**
     * Print the argument and its type.
     */
    protected void printInOutputArgument(FieldDefinition argument, Writer writer, AbstractSession session) throws ValidationException {
        try {
            DatabasePlatform platform = session.getPlatform();
            FieldTypeDefinition fieldType;
            if (argument.getType() != null) {
                fieldType = platform.getFieldTypeDefinition(argument.getType());
                if (fieldType == null) {
                    throw ValidationException.javaTypeIsNotAValidDatabaseType(argument.getType());
                }
            } else {
                fieldType = new FieldTypeDefinition(argument.getTypeName());
            }
            writer.write(platform.getProcedureArgumentString());           
            if (platform.shouldPrintOutputTokenAtStart()) {
                writer.write(" " + platform.getCreationInOutputProcedureToken() + " ");
            }
            writer.write(argument.getName());
            if ((!platform.shouldPrintOutputTokenAtStart()) && platform.shouldPrintOutputTokenBeforeType()) {
                writer.write(" " + platform.getCreationInOutputProcedureToken());
            }
            writer.write(" " + fieldType.getName());
            if (fieldType.isSizeAllowed() && platform.allowsSizeInProcedureArguments() && ((argument.getSize() != 0) || (fieldType.isSizeRequired()))) {
                writer.write("(");
                if (argument.getSize() == 0) {
                    writer.write(new Integer(fieldType.getDefaultSize()).toString());
                } else {
                    writer.write(new Integer(argument.getSize()).toString());
                }
                if (argument.getSubSize() != 0) {
                    writer.write(",");
                    writer.write(new Integer(argument.getSubSize()).toString());
                } else if (fieldType.getDefaultSubSize() != 0) {
                    writer.write(",");
                    writer.write(new Integer(fieldType.getDefaultSubSize()).toString());
                }
                writer.write(")");
            }
            if ((!platform.shouldPrintOutputTokenAtStart()) && (!platform.shouldPrintOutputTokenBeforeType())) {
                writer.write(" " + platform.getCreationInOutputProcedureToken());
            }
        } catch (IOException ioException) {
            throw ValidationException.fileError(ioException);
        }
    }
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Related Classes of org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

  • org.eclipse.persistence.descriptors.ClassDescriptor
  • org.eclipse.persistence.internal.descriptors.ObjectBuilder
  • org.eclipse.persistence.internal.helper.DatabaseField
  • org.eclipse.persistence.internal.helper.DatabaseTable
  • org.eclipse.persistence.internal.helper.LOBValueWriter
  • org.eclipse.persistence.internal.sessions.AbstractRecord
  • org.eclipse.persistence.mappings.structures.ObjectRelationalDatabaseField
  • org.eclipse.persistence.platform.database.converters.StructConverter
  • org.eclipse.persistence.sequencing.NativeSequence
  • org.eclipse.persistence.sequencing.Sequence
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