拆分 bpm 到独立的库中

This commit is contained in:
chenbowen
2025-09-29 09:36:24 +08:00
parent 0a0ecb4f80
commit fd97e608cb
292 changed files with 26715 additions and 0 deletions

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//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by FernFlower decompiler)
//
package liquibase.database.core;
import java.lang.reflect.Method;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import liquibase.CatalogAndSchema;
import liquibase.GlobalConfiguration;
import liquibase.Scope;
import liquibase.database.AbstractJdbcDatabase;
import liquibase.database.DatabaseConnection;
import liquibase.database.OfflineConnection;
import liquibase.database.jvm.JdbcConnection;
import liquibase.exception.DatabaseException;
import liquibase.exception.UnexpectedLiquibaseException;
import liquibase.exception.ValidationErrors;
import liquibase.executor.ExecutorService;
import liquibase.statement.DatabaseFunction;
import liquibase.statement.SequenceCurrentValueFunction;
import liquibase.statement.SequenceNextValueFunction;
import liquibase.statement.UniqueConstraint;
import liquibase.statement.core.RawCallStatement;
import liquibase.statement.core.RawParameterizedSqlStatement;
import liquibase.structure.DatabaseObject;
import liquibase.structure.core.Catalog;
import liquibase.structure.core.Column;
import liquibase.structure.core.Index;
import liquibase.structure.core.PrimaryKey;
import liquibase.structure.core.Schema;
import liquibase.util.JdbcUtil;
import liquibase.util.StringUtil;
import org.apache.commons.lang3.StringUtils;
public class DmDatabase extends AbstractJdbcDatabase {
private static final String PROXY_USER_REGEX = ".*(?:thin|oci)\\:(.+)/@.*";
public static final Pattern PROXY_USER_PATTERN = Pattern.compile(".*(?:thin|oci)\\:(.+)/@.*");
private static final String VERSION_REGEX = "(\\d+)\\.(\\d+)\\..*";
private static final Pattern VERSION_PATTERN = Pattern.compile("(\\d+)\\.(\\d+)\\..*");
public static final String PRODUCT_NAME = "DM DBMS";
private static final ResourceBundle coreBundle = ResourceBundle.getBundle("liquibase/i18n/liquibase-core");
protected final int SHORT_IDENTIFIERS_LENGTH = 30;
protected final int LONG_IDENTIFIERS_LEGNTH = 128;
public static final int ORACLE_12C_MAJOR_VERSION = 12;
public static final int ORACLE_23C_MAJOR_VERSION = 23;
private final Set<String> reservedWords = new HashSet();
private Set<String> userDefinedTypes;
private Map<String, String> savedSessionNlsSettings;
private Boolean canAccessDbaRecycleBin;
private Integer databaseMajorVersion;
private Integer databaseMinorVersion;
public DmDatabase() {
super.unquotedObjectsAreUppercased = true;
super.setCurrentDateTimeFunction("SYSTIMESTAMP");
this.dateFunctions.add(new DatabaseFunction("SYSDATE"));
this.dateFunctions.add(new DatabaseFunction("SYSTIMESTAMP"));
this.dateFunctions.add(new DatabaseFunction("CURRENT_TIMESTAMP"));
super.sequenceNextValueFunction = "%s.nextval";
super.sequenceCurrentValueFunction = "%s.currval";
}
public int getPriority() {
return 1;
}
private void tryProxySession(String url, Connection con) {
Matcher m = PROXY_USER_PATTERN.matcher(url);
if (m.matches()) {
Properties props = new Properties();
props.put("PROXY_USER_NAME", m.group(1));
try {
Method method = con.getClass().getMethod("openProxySession", Integer.TYPE, Properties.class);
method.setAccessible(true);
method.invoke(con, 1, props);
} catch (Exception e) {
Scope.getCurrentScope().getLog(this.getClass()).info("Could not open proxy session on OracleDatabase: " + e.getCause().getMessage());
return;
}
try {
Method method = con.getClass().getMethod("isProxySession");
method.setAccessible(true);
boolean b = (Boolean)method.invoke(con);
if (!b) {
Scope.getCurrentScope().getLog(this.getClass()).info("Proxy session not established on OracleDatabase: ");
}
} catch (Exception e) {
Scope.getCurrentScope().getLog(this.getClass()).info("Could not open proxy session on OracleDatabase: " + e.getCause().getMessage());
}
}
}
public void setConnection(DatabaseConnection conn) {
this.reservedWords.addAll(Arrays.asList("GROUP", "USER", "SESSION", "PASSWORD", "RESOURCE", "START", "SIZE", "UID", "DESC", "ORDER"));
Connection sqlConn = null;
if (!(conn instanceof OfflineConnection)) {
try {
if (conn instanceof JdbcConnection) {
sqlConn = ((JdbcConnection)conn).getWrappedConnection();
}
} catch (Exception e) {
throw new UnexpectedLiquibaseException(e);
}
if (sqlConn != null) {
this.tryProxySession(conn.getURL(), sqlConn);
try {
this.reservedWords.addAll(Arrays.asList(sqlConn.getMetaData().getSQLKeywords().toUpperCase().split(",\\s*")));
} catch (SQLException e) {
Scope.getCurrentScope().getLog(this.getClass()).info("Could get sql keywords on OracleDatabase: " + e.getMessage());
}
try {
Method method = sqlConn.getClass().getMethod("setRemarksReporting", Boolean.TYPE);
method.setAccessible(true);
method.invoke(sqlConn, true);
} catch (Exception e) {
Scope.getCurrentScope().getLog(this.getClass()).info("Could not set remarks reporting on OracleDatabase: " + e.getMessage());
}
CallableStatement statement = null;
try {
statement = sqlConn.prepareCall("{call DBMS_UTILITY.DB_VERSION(?,?)}");
statement.registerOutParameter(1, 12);
statement.registerOutParameter(2, 12);
statement.execute();
String compatibleVersion = statement.getString(2);
if (compatibleVersion != null) {
Matcher majorVersionMatcher = VERSION_PATTERN.matcher(compatibleVersion);
if (majorVersionMatcher.matches()) {
this.databaseMajorVersion = Integer.valueOf(majorVersionMatcher.group(1));
this.databaseMinorVersion = Integer.valueOf(majorVersionMatcher.group(2));
}
}
} catch (SQLException e) {
String message = "Cannot read from DBMS_UTILITY.DB_VERSION: " + e.getMessage();
Scope.getCurrentScope().getLog(this.getClass()).info("Could not set check compatibility mode on OracleDatabase, assuming not running in any sort of compatibility mode: " + message);
} finally {
JdbcUtil.closeStatement(statement);
}
if (GlobalConfiguration.DDL_LOCK_TIMEOUT.getCurrentValue() != null) {
int timeoutValue = (Integer)GlobalConfiguration.DDL_LOCK_TIMEOUT.getCurrentValue();
Scope.getCurrentScope().getLog(this.getClass()).fine("Setting DDL_LOCK_TIMEOUT value to " + timeoutValue);
String sql = "ALTER SESSION SET DDL_LOCK_TIMEOUT=" + timeoutValue;
PreparedStatement ddlLockTimeoutStatement = null;
try {
ddlLockTimeoutStatement = sqlConn.prepareStatement(sql);
ddlLockTimeoutStatement.execute();
} catch (SQLException sqle) {
Scope.getCurrentScope().getUI().sendErrorMessage("Unable to set the DDL_LOCK_TIMEOUT_VALUE: " + sqle.getMessage(), sqle);
Scope.getCurrentScope().getLog(this.getClass()).warning("Unable to set the DDL_LOCK_TIMEOUT_VALUE: " + sqle.getMessage(), sqle);
} finally {
JdbcUtil.closeStatement(ddlLockTimeoutStatement);
}
}
}
}
super.setConnection(conn);
}
public String getShortName() {
return "dm";
}
protected String getDefaultDatabaseProductName() {
return PRODUCT_NAME;
}
public int getDatabaseMajorVersion() throws DatabaseException {
return this.databaseMajorVersion == null ? super.getDatabaseMajorVersion() : this.databaseMajorVersion;
}
public int getDatabaseMinorVersion() throws DatabaseException {
return this.databaseMinorVersion == null ? super.getDatabaseMinorVersion() : this.databaseMinorVersion;
}
public Integer getDefaultPort() {
return 5236;
}
public String getJdbcCatalogName(CatalogAndSchema schema) {
return null;
}
public String getJdbcSchemaName(CatalogAndSchema schema) {
return this.correctObjectName(schema.getCatalogName() == null ? schema.getSchemaName() : schema.getCatalogName(), Schema.class);
}
protected String getAutoIncrementClause(String generationType, Boolean defaultOnNull) {
if (StringUtil.isEmpty(generationType)) {
return super.getAutoIncrementClause();
} else {
String autoIncrementClause = "GENERATED %s AS IDENTITY";
String generationStrategy = generationType;
if (Boolean.TRUE.equals(defaultOnNull) && generationType.toUpperCase().equals("BY DEFAULT")) {
generationStrategy = generationType + " ON NULL";
}
return String.format(autoIncrementClause, generationStrategy);
}
}
public String generatePrimaryKeyName(String tableName) {
return tableName.length() > 27 ? "PK_" + tableName.toUpperCase(Locale.US).substring(0, 27) : "PK_" + tableName.toUpperCase(Locale.US);
}
public boolean supportsInitiallyDeferrableColumns() {
return true;
}
public boolean isReservedWord(String objectName) {
return this.reservedWords.contains(objectName.toUpperCase());
}
public boolean supportsSequences() {
return true;
}
public boolean supports(Class<? extends DatabaseObject> object) {
return Schema.class.isAssignableFrom(object) ? false : super.supports(object);
}
public boolean supportsSchemas() {
return false;
}
protected String getConnectionCatalogName() throws DatabaseException {
if (this.getConnection() instanceof OfflineConnection) {
return this.getConnection().getCatalog();
} else if (!(this.getConnection() instanceof JdbcConnection)) {
return this.defaultCatalogName;
} else {
try {
return (String)((ExecutorService)Scope.getCurrentScope().getSingleton(ExecutorService.class)).getExecutor("jdbc", this).queryForObject(new RawCallStatement("select sys_context( 'userenv', 'current_schema' ) from dual"), String.class);
} catch (Exception e) {
Scope.getCurrentScope().getLog(this.getClass()).info("Error getting default schema", e);
return null;
}
}
}
public boolean isCorrectDatabaseImplementation(DatabaseConnection conn) throws DatabaseException {
return "oracle".equalsIgnoreCase(conn.getDatabaseProductName());
}
public String getDefaultDriver(String url) {
return url.startsWith("jdbc:dm") ? "dm.jdbc.driver.DmDriver" : null;
}
public String getDefaultCatalogName() {
String defaultCatalogName = super.getDefaultCatalogName();
if (Boolean.TRUE.equals(GlobalConfiguration.PRESERVE_SCHEMA_CASE.getCurrentValue())) {
return defaultCatalogName;
} else {
return defaultCatalogName == null ? null : defaultCatalogName.toUpperCase(Locale.US);
}
}
public String getDateLiteral(String isoDate) {
String normalLiteral = super.getDateLiteral(isoDate);
if (this.isDateOnly(isoDate)) {
return "TO_DATE(" + normalLiteral + ", 'YYYY-MM-DD')";
} else if (this.isTimeOnly(isoDate)) {
return "TO_DATE(" + normalLiteral + ", 'HH24:MI:SS')";
} else if (this.isTimestamp(isoDate)) {
return "TO_TIMESTAMP(" + normalLiteral + ", 'YYYY-MM-DD HH24:MI:SS.FF')";
} else if (this.isDateTime(isoDate)) {
int seppos = normalLiteral.lastIndexOf(46);
if (seppos != -1) {
normalLiteral = normalLiteral.substring(0, seppos) + "'";
}
return "TO_DATE(" + normalLiteral + ", 'YYYY-MM-DD HH24:MI:SS')";
} else {
return "UNSUPPORTED:" + isoDate;
}
}
public boolean isSystemObject(DatabaseObject example) {
if (example == null) {
return false;
} else if (this.isLiquibaseObject(example)) {
return false;
} else {
if (example instanceof Schema) {
if ("SYSTEM".equals(example.getName()) || "SYS".equals(example.getName()) || "CTXSYS".equals(example.getName()) || "XDB".equals(example.getName())) {
return true;
}
if ("SYSTEM".equals(example.getSchema().getCatalogName()) || "SYS".equals(example.getSchema().getCatalogName()) || "CTXSYS".equals(example.getSchema().getCatalogName()) || "XDB".equals(example.getSchema().getCatalogName())) {
return true;
}
} else if (this.isSystemObject(example.getSchema())) {
return true;
}
if (example instanceof Catalog) {
if ("SYSTEM".equals(example.getName()) || "SYS".equals(example.getName()) || "CTXSYS".equals(example.getName()) || "XDB".equals(example.getName())) {
return true;
}
} else if (example.getName() != null) {
if (example.getName().startsWith("BIN$")) {
boolean filteredInOriginalQuery = this.canAccessDbaRecycleBin();
if (!filteredInOriginalQuery) {
filteredInOriginalQuery = StringUtil.trimToEmpty(example.getSchema().getName()).equalsIgnoreCase(this.getConnection().getConnectionUserName());
}
if (!filteredInOriginalQuery) {
return true;
}
return !(example instanceof PrimaryKey) && !(example instanceof Index) && !(example instanceof UniqueConstraint);
}
if (example.getName().startsWith("AQ$")) {
return true;
}
if (example.getName().startsWith("DR$")) {
return true;
}
if (example.getName().startsWith("SYS_IOT_OVER")) {
return true;
}
if ((example.getName().startsWith("MDRT_") || example.getName().startsWith("MDRS_")) && example.getName().endsWith("$")) {
return true;
}
if (example.getName().startsWith("MLOG$_")) {
return true;
}
if (example.getName().startsWith("RUPD$_")) {
return true;
}
if (example.getName().startsWith("WM$_")) {
return true;
}
if ("CREATE$JAVA$LOB$TABLE".equals(example.getName())) {
return true;
}
if ("JAVA$CLASS$MD5$TABLE".equals(example.getName())) {
return true;
}
if (example.getName().startsWith("ISEQ$$_")) {
return true;
}
if (example.getName().startsWith("USLOG$")) {
return true;
}
if (example.getName().startsWith("SYS_FBA")) {
return true;
}
}
return super.isSystemObject(example);
}
}
public boolean supportsTablespaces() {
return true;
}
public boolean supportsAutoIncrement() {
boolean isAutoIncrementSupported = false;
try {
if (this.getDatabaseMajorVersion() >= 12) {
isAutoIncrementSupported = true;
}
} catch (DatabaseException var3) {
isAutoIncrementSupported = false;
}
return isAutoIncrementSupported;
}
public boolean supportsRestrictForeignKeys() {
return false;
}
public int getDataTypeMaxParameters(String dataTypeName) {
if ("BINARY_FLOAT".equals(dataTypeName.toUpperCase())) {
return 0;
} else {
return "BINARY_DOUBLE".equals(dataTypeName.toUpperCase()) ? 0 : super.getDataTypeMaxParameters(dataTypeName);
}
}
public String getSystemTableWhereClause(String tableNameColumn) {
List<String> clauses = new ArrayList(Arrays.asList("BIN$", "AQ$", "DR$", "SYS_IOT_OVER", "MLOG$_", "RUPD$_", "WM$_", "ISEQ$$_", "USLOG$", "SYS_FBA"));
clauses.replaceAll((s) -> tableNameColumn + " NOT LIKE '" + s + "%'");
return "(" + StringUtil.join(clauses, " AND ") + ")";
}
public boolean jdbcCallsCatalogsSchemas() {
return true;
}
public Set<String> getUserDefinedTypes() {
if (this.userDefinedTypes == null) {
this.userDefinedTypes = new HashSet();
if (this.getConnection() != null && !(this.getConnection() instanceof OfflineConnection)) {
try {
try {
this.userDefinedTypes.addAll(((ExecutorService)Scope.getCurrentScope().getSingleton(ExecutorService.class)).getExecutor("jdbc", this).queryForList(new RawParameterizedSqlStatement("SELECT DISTINCT TYPE_NAME FROM ALL_TYPES"), String.class));
} catch (DatabaseException var2) {
this.userDefinedTypes.addAll(((ExecutorService)Scope.getCurrentScope().getSingleton(ExecutorService.class)).getExecutor("jdbc", this).queryForList(new RawParameterizedSqlStatement("SELECT TYPE_NAME FROM USER_TYPES"), String.class));
}
} catch (DatabaseException var3) {
}
}
}
return this.userDefinedTypes;
}
public String generateDatabaseFunctionValue(DatabaseFunction databaseFunction) {
if (databaseFunction != null && "current_timestamp".equalsIgnoreCase(databaseFunction.toString())) {
return databaseFunction.toString();
} else if (!(databaseFunction instanceof SequenceNextValueFunction) && !(databaseFunction instanceof SequenceCurrentValueFunction)) {
return super.generateDatabaseFunctionValue(databaseFunction);
} else {
String quotedSeq = super.generateDatabaseFunctionValue(databaseFunction);
return quotedSeq.replaceFirst("\"([^.\"]+)\\.([^.\"]+)\"", "\"$1\".\"$2\"");
}
}
public ValidationErrors validate() {
ValidationErrors errors = super.validate();
DatabaseConnection connection = this.getConnection();
if (connection != null && !(connection instanceof OfflineConnection)) {
if (!this.canAccessDbaRecycleBin()) {
errors.addWarning(this.getDbaRecycleBinWarning());
}
return errors;
} else {
Scope.getCurrentScope().getLog(this.getClass()).info("Cannot validate offline database");
return errors;
}
}
public String getDbaRecycleBinWarning() {
return "Liquibase needs to access the DBA_RECYCLEBIN table so we can automatically handle the case where constraints are deleted and restored. Since Oracle doesn't properly restore the original table names referenced in the constraint, we use the information from the DBA_RECYCLEBIN to automatically correct this issue.\n\nThe user you used to connect to the database (" + this.getConnection().getConnectionUserName() + ") needs to have \"SELECT ON SYS.DBA_RECYCLEBIN\" permissions set before we can perform this operation. Please run the following SQL to set the appropriate permissions, and try running the command again.\n\n GRANT SELECT ON SYS.DBA_RECYCLEBIN TO " + this.getConnection().getConnectionUserName() + ";";
}
public boolean canAccessDbaRecycleBin() {
if (this.canAccessDbaRecycleBin == null) {
DatabaseConnection connection = this.getConnection();
if (connection == null || connection instanceof OfflineConnection) {
return false;
}
Statement statement = null;
try {
statement = ((JdbcConnection)connection).createStatement();
ResultSet resultSet = statement.executeQuery("select 1 from dba_recyclebin where 0=1");
resultSet.close();
this.canAccessDbaRecycleBin = true;
} catch (Exception var7) {
if (var7 instanceof SQLException && var7.getMessage().startsWith("ORA-00942")) {
this.canAccessDbaRecycleBin = false;
} else {
Scope.getCurrentScope().getLog(this.getClass()).warning("Cannot check dba_recyclebin access", var7);
this.canAccessDbaRecycleBin = false;
}
} finally {
JdbcUtil.close((ResultSet)null, statement);
}
}
return this.canAccessDbaRecycleBin;
}
public boolean supportsNotNullConstraintNames() {
return true;
}
public boolean isValidOracleIdentifier(String identifier, Class<? extends DatabaseObject> type) {
if (identifier != null && identifier.length() >= 1) {
if (!identifier.matches("^(i?)[A-Z][A-Z0-9\\$\\_\\#]*$")) {
return false;
} else {
return identifier.length() <= 128;
}
} else {
return false;
}
}
public int getIdentifierMaximumLength() {
try {
if (this.getDatabaseMajorVersion() < 12) {
return 30;
} else {
return this.getDatabaseMajorVersion() == 12 && this.getDatabaseMinorVersion() <= 1 ? 30 : 128;
}
} catch (DatabaseException ex) {
throw new UnexpectedLiquibaseException("Cannot determine the Oracle database version number", ex);
}
}
public boolean supportsDatabaseChangeLogHistory() {
return true;
}
public String correctObjectName(String objectName, Class<? extends DatabaseObject> objectType) {
return objectType.equals(Column.class) && StringUtils.startsWithIgnoreCase(objectName, "int") ? "NUMBER(*, 0)" : super.correctObjectName(objectName, objectType);
}
}

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package liquibase.datatype.core;
import liquibase.change.core.LoadDataChange;
import liquibase.database.Database;
import liquibase.database.core.*;
import liquibase.datatype.DataTypeInfo;
import liquibase.datatype.DatabaseDataType;
import liquibase.datatype.LiquibaseDataType;
import liquibase.exception.UnexpectedLiquibaseException;
import liquibase.statement.DatabaseFunction;
import liquibase.util.StringUtil;
import java.util.Locale;
import java.util.regex.Pattern;
@DataTypeInfo(name = "boolean", aliases = {"java.sql.Types.BOOLEAN", "java.lang.Boolean", "bit", "bool"}, minParameters = 0, maxParameters = 0, priority = LiquibaseDataType.PRIORITY_DEFAULT)
public class BooleanType extends LiquibaseDataType {
@Override
public DatabaseDataType toDatabaseDataType(Database database) {
String originalDefinition = StringUtil.trimToEmpty(getRawDefinition());
// if ((database instanceof Firebird3Database)) {
// return new DatabaseDataType("BOOLEAN");
// }
if ((database instanceof AbstractDb2Database) || (database instanceof FirebirdDatabase)) {
return new DatabaseDataType("SMALLINT");
} else if (database instanceof MSSQLDatabase) {
return new DatabaseDataType(database.escapeDataTypeName("bit"));
} else if (database instanceof MySQLDatabase) {
if (originalDefinition.toLowerCase(Locale.US).startsWith("bit")) {
return new DatabaseDataType("BIT", getParameters());
}
return new DatabaseDataType("BIT", 1);
} else if (database instanceof OracleDatabase) {
return new DatabaseDataType("NUMBER", 1);
} else if ((database instanceof SybaseASADatabase) || (database instanceof SybaseDatabase)) {
return new DatabaseDataType("BIT");
} else if (database instanceof DerbyDatabase) {
if (((DerbyDatabase) database).supportsBooleanDataType()) {
return new DatabaseDataType("BOOLEAN");
} else {
return new DatabaseDataType("SMALLINT");
}
} else if (database.getClass().isAssignableFrom(DB2Database.class)) {
if (((DB2Database) database).supportsBooleanDataType())
return new DatabaseDataType("BOOLEAN");
else
return new DatabaseDataType("SMALLINT");
} else if (database instanceof HsqlDatabase) {
return new DatabaseDataType("BOOLEAN");
} else if (database instanceof PostgresDatabase) {
if (originalDefinition.toLowerCase(Locale.US).startsWith("bit")) {
return new DatabaseDataType("BIT", getParameters());
}
} else if(database instanceof DmDatabase) {
return new DatabaseDataType("bit");
}
return super.toDatabaseDataType(database);
}
@Override
public String objectToSql(Object value, Database database) {
if ((value == null) || "null".equals(value.toString().toLowerCase(Locale.US))) {
return null;
}
String returnValue;
if (value instanceof String) {
value = ((String) value).replaceAll("'", "");
if ("true".equals(((String) value).toLowerCase(Locale.US)) || "1".equals(value) || "b'1'".equals(((String) value).toLowerCase(Locale.US)) || "t".equals(((String) value).toLowerCase(Locale.US)) || ((String) value).toLowerCase(Locale.US).equals(this.getTrueBooleanValue(database).toLowerCase(Locale.US))) {
returnValue = this.getTrueBooleanValue(database);
} else if ("false".equals(((String) value).toLowerCase(Locale.US)) || "0".equals(value) || "b'0'".equals(
((String) value).toLowerCase(Locale.US)) || "f".equals(((String) value).toLowerCase(Locale.US)) || ((String) value).toLowerCase(Locale.US).equals(this.getFalseBooleanValue(database).toLowerCase(Locale.US))) {
returnValue = this.getFalseBooleanValue(database);
} else {
throw new UnexpectedLiquibaseException("Unknown boolean value: " + value);
}
} else if (value instanceof Long) {
if (Long.valueOf(1).equals(value)) {
returnValue = this.getTrueBooleanValue(database);
} else {
returnValue = this.getFalseBooleanValue(database);
}
} else if (value instanceof Number) {
if (value.equals(1) || "1".equals(value.toString()) || "1.0".equals(value.toString())) {
returnValue = this.getTrueBooleanValue(database);
} else {
returnValue = this.getFalseBooleanValue(database);
}
} else if (value instanceof DatabaseFunction) {
return value.toString();
} else if (value instanceof Boolean) {
if (((Boolean) value)) {
returnValue = this.getTrueBooleanValue(database);
} else {
returnValue = this.getFalseBooleanValue(database);
}
} else {
throw new UnexpectedLiquibaseException("Cannot convert type " + value.getClass() + " to a boolean value");
}
return returnValue;
}
protected boolean isNumericBoolean(Database database) {
if (database instanceof DerbyDatabase) {
return !((DerbyDatabase) database).supportsBooleanDataType();
} else if (database.getClass().isAssignableFrom(DB2Database.class)) {
return !((DB2Database) database).supportsBooleanDataType();
}
return (database instanceof Db2zDatabase) || (database instanceof DB2Database) || (database instanceof FirebirdDatabase) || (database instanceof
MSSQLDatabase) || (database instanceof MySQLDatabase) || (database instanceof OracleDatabase) ||
(database instanceof SQLiteDatabase) || (database instanceof SybaseASADatabase) || (database instanceof
SybaseDatabase) || (database instanceof DmDatabase);
}
/**
* The database-specific value to use for "false" "boolean" columns.
*/
public String getFalseBooleanValue(Database database) {
if (isNumericBoolean(database)) {
return "0";
}
if (database instanceof InformixDatabase) {
return "'f'";
}
return "FALSE";
}
/**
* The database-specific value to use for "true" "boolean" columns.
*/
public String getTrueBooleanValue(Database database) {
if (isNumericBoolean(database)) {
return "1";
}
if (database instanceof InformixDatabase) {
return "'t'";
}
return "TRUE";
}
@Override
public LoadDataChange.LOAD_DATA_TYPE getLoadTypeName() {
return LoadDataChange.LOAD_DATA_TYPE.BOOLEAN;
}
}