TraceObject (H2 Database Engine wt-1.0.1 API)

java.lang.Object
- org.h2.message.TraceObject

直接已知子类:

JdbcArray, JdbcBlob, JdbcClob, JdbcConnection, JdbcDatabaseMetaData, JdbcDataSource, JdbcParameterMetaData, JdbcResultSet, JdbcResultSetMetaData, JdbcSavepoint, JdbcStatement, JdbcXAConnection, JdbcXid
```
public class TraceObject
extends Object
```
The base class for objects that can print trace information about themselves.

字段概要

字段
限定符和类型	字段和说明
`protected static int`	`ARRAY` The trace type id for array objects.
`protected static int`	`BLOB` The trace type id for blobs.
`protected static int`	`CALLABLE_STATEMENT` The trace type id for callable statements.
`protected static int`	`CLOB` The trace type id for clobs.
`protected static int`	`CONNECTION` The trace type id for connections.
`protected static int`	`DATA_SOURCE` The trace type id for data sources.
`protected static int`	`DATABASE_META_DATA` The trace type id for database meta data objects.
`protected static int`	`PARAMETER_META_DATA` The trace type id for parameter meta data objects.
`protected static int`	`PREPARED_STATEMENT` The trace type id for prepared statements.
`protected static int`	`RESULT_SET` The trace type id for result sets.
`protected static int`	`RESULT_SET_META_DATA` The trace type id for result set meta data objects.
`protected static int`	`SAVEPOINT` The trace type id for savepoint objects.
`protected static int`	`STATEMENT` The trace type id for statements.
`protected Trace`	`trace` The trace module used by this object.
`protected static int`	`XA_DATA_SOURCE` The trace type id for XA data sources.
`protected static int`	`XID` The trace type id for transaction ids.

构造器概要

构造器
构造器和说明

TraceObject()

构造器
构造器和说明
`TraceObject()`

方法概要

所有方法静态方法实例方法具体方法
限定符和类型	方法和说明
`protected void`	`debugCode(String text)` Write trace information in the form objectName.text.
`protected void`	`debugCodeAssign(String className, int newType, int newId, String value)` Write trace information as an assignment in the form className prefixId = objectName.value.
`protected void`	`debugCodeCall(String methodName)` Write trace information as a method call in the form objectName.methodName().
`protected void`	`debugCodeCall(String methodName, long param)` Write trace information as a method call in the form objectName.methodName(param) where the parameter is formatted as a long value.
`protected void`	`debugCodeCall(String methodName, String param)` Write trace information as a method call in the form objectName.methodName(param) where the parameter is formatted as a Java string.
`protected static int`	`getNextId(int type)` Get the next trace object id for this object type.
`int`	`getTraceId()` INTERNAL
`String`	`getTraceObjectName()` INTERNAL
`protected boolean`	`isDebugEnabled()` Check if the debug trace level is enabled.
`protected boolean`	`isInfoEnabled()` Check if info trace level is enabled.
`protected SQLException`	`logAndConvert(Exception ex)` Log an exception and convert it to a SQL exception if required.
`protected static String`	`quote(String s)` Format a string as a Java string literal.
`protected static String`	`quoteArray(String[] s)` Format a string array to the Java source code that represents this object.
`protected static String`	`quoteBigDecimal(BigDecimal x)` Format a big decimal to the Java source code that represents this object.
`protected static String`	`quoteBytes(byte[] x)` Format a byte array to the Java source code that represents this object.
`protected static String`	`quoteDate(Date x)` Format a date to the Java source code that represents this object.
`protected static String`	`quoteIntArray(int[] s)` Format an int array to the Java source code that represents this object.
`protected static String`	`quoteMap(Map<String,Class<?>> map)` Format a map to the Java source code that represents this object.
`protected static String`	`quoteTime(Time x)` Format a time to the Java source code that represents this object.
`protected static String`	`quoteTimestamp(Timestamp x)` Format a timestamp to the Java source code that represents this object.
`protected void`	`setTrace(Trace trace, int type, int id)` Set the options to use when writing trace message.
`protected SQLException`	`unsupported(String message)` Get a SQL exception meaning this feature is not supported.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - CALLABLE_STATEMENT
```
protected static final int CALLABLE_STATEMENT
```
    The trace type id for callable statements.
    
    另请参阅:
    
    常量字段值
  - CONNECTION
```
protected static final int CONNECTION
```
    The trace type id for connections.
    
    另请参阅:
    
    常量字段值
  - DATABASE_META_DATA
```
protected static final int DATABASE_META_DATA
```
    The trace type id for database meta data objects.
    
    另请参阅:
    
    常量字段值
  - PREPARED_STATEMENT
```
protected static final int PREPARED_STATEMENT
```
    The trace type id for prepared statements.
    
    另请参阅:
    
    常量字段值
  - RESULT_SET
```
protected static final int RESULT_SET
```
    The trace type id for result sets.
    
    另请参阅:
    
    常量字段值
  - RESULT_SET_META_DATA
```
protected static final int RESULT_SET_META_DATA
```
    The trace type id for result set meta data objects.
    
    另请参阅:
    
    常量字段值
  - SAVEPOINT
```
protected static final int SAVEPOINT
```
    The trace type id for savepoint objects.
    
    另请参阅:
    
    常量字段值
  - STATEMENT
```
protected static final int STATEMENT
```
    The trace type id for statements.
    
    另请参阅:
    
    常量字段值
  - BLOB
```
protected static final int BLOB
```
    The trace type id for blobs.
    
    另请参阅:
    
    常量字段值
  - CLOB
```
protected static final int CLOB
```
    The trace type id for clobs.
    
    另请参阅:
    
    常量字段值
  - PARAMETER_META_DATA
```
protected static final int PARAMETER_META_DATA
```
    The trace type id for parameter meta data objects.
    
    另请参阅:
    
    常量字段值
  - DATA_SOURCE
```
protected static final int DATA_SOURCE
```
    The trace type id for data sources.
    
    另请参阅:
    
    常量字段值
  - XA_DATA_SOURCE
```
protected static final int XA_DATA_SOURCE
```
    The trace type id for XA data sources.
    
    另请参阅:
    
    常量字段值
  - XID
```
protected static final int XID
```
    The trace type id for transaction ids.
    
    另请参阅:
    
    常量字段值
  - ARRAY
```
protected static final int ARRAY
```
    The trace type id for array objects.
    
    另请参阅:
    
    常量字段值
  - trace
```
protected Trace trace
```
    The trace module used by this object.
- 构造器详细资料
  - TraceObject
```
public TraceObject()
```
- 方法详细资料
  - setTrace
```
protected void setTrace(Trace trace,
                        int type,
                        int id)
```
    Set the options to use when writing trace message.
    
    参数:
    
    trace - the trace object
    
    type - the trace object type
    
    id - the trace object id
  - getTraceId
```
public int getTraceId()
```
    INTERNAL
  - getTraceObjectName
```
public String getTraceObjectName()
```
    INTERNAL
  - getNextId
```
protected static int getNextId(int type)
```
    Get the next trace object id for this object type.
    
    参数:
    
    type - the object type
    
    返回:
    
    the new trace object id
  - isDebugEnabled
```
protected boolean isDebugEnabled()
```
    Check if the debug trace level is enabled.
    
    返回:
    
    true if it is
  - isInfoEnabled
```
protected boolean isInfoEnabled()
```
    Check if info trace level is enabled.
    
    返回:
    
    true if it is
  - debugCodeAssign
```
protected void debugCodeAssign(String className,
                               int newType,
                               int newId,
                               String value)
```
    Write trace information as an assignment in the form className prefixId = objectName.value.
    
    参数:
    
    className - the class name of the result
    
    newType - the prefix type
    
    newId - the trace object id of the created object
    
    value - the value to assign this new object to
  - debugCodeCall
```
protected void debugCodeCall(String methodName)
```
    Write trace information as a method call in the form objectName.methodName().
    
    参数:
    
    methodName - the method name
  - debugCodeCall
```
protected void debugCodeCall(String methodName,
                             long param)
```
    Write trace information as a method call in the form objectName.methodName(param) where the parameter is formatted as a long value.
    
    参数:
    
    methodName - the method name
    
    param - one single long parameter
  - debugCodeCall
```
protected void debugCodeCall(String methodName,
                             String param)
```
    Write trace information as a method call in the form objectName.methodName(param) where the parameter is formatted as a Java string.
    
    参数:
    
    methodName - the method name
    
    param - one single string parameter
  - debugCode
```
protected void debugCode(String text)
```
    Write trace information in the form objectName.text.
    
    参数:
    
    text - the trace text
  - quote
```
protected static String quote(String s)
```
    Format a string as a Java string literal.
    
    参数:
    
    s - the string to convert
    
    返回:
    
    the Java string literal
  - quoteTime
```
protected static String quoteTime(Time x)
```
    Format a time to the Java source code that represents this object.
    
    参数:
    
    x - the time to convert
    
    返回:
    
    the Java source code
  - quoteTimestamp
```
protected static String quoteTimestamp(Timestamp x)
```
    Format a timestamp to the Java source code that represents this object.
    
    参数:
    
    x - the timestamp to convert
    
    返回:
    
    the Java source code
  - quoteDate
```
protected static String quoteDate(Date x)
```
    Format a date to the Java source code that represents this object.
    
    参数:
    
    x - the date to convert
    
    返回:
    
    the Java source code
  - quoteBigDecimal
```
protected static String quoteBigDecimal(BigDecimal x)
```
    Format a big decimal to the Java source code that represents this object.
    
    参数:
    
    x - the big decimal to convert
    
    返回:
    
    the Java source code
  - quoteBytes
```
protected static String quoteBytes(byte[] x)
```
    Format a byte array to the Java source code that represents this object.
    
    参数:
    
    x - the byte array to convert
    
    返回:
    
    the Java source code
  - quoteArray
```
protected static String quoteArray(String[] s)
```
    Format a string array to the Java source code that represents this object.
    
    参数:
    
    s - the string array to convert
    
    返回:
    
    the Java source code
  - quoteIntArray
```
protected static String quoteIntArray(int[] s)
```
    Format an int array to the Java source code that represents this object.
    
    参数:
    
    s - the int array to convert
    
    返回:
    
    the Java source code
  - quoteMap
```
protected static String quoteMap(Map<String,Class<?>> map)
```
    Format a map to the Java source code that represents this object.
    
    参数:
    
    map - the map to convert
    
    返回:
    
    the Java source code
  - logAndConvert
```
protected SQLException logAndConvert(Exception ex)
```
    Log an exception and convert it to a SQL exception if required.
    
    参数:
    
    ex - the exception
    
    返回:
    
    the SQL exception object
  - unsupported
```
protected SQLException unsupported(String message)
```
    Get a SQL exception meaning this feature is not supported.
    
    参数:
    
    message - the message

类 TraceObject

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

CALLABLE_STATEMENT

CONNECTION

DATABASE_META_DATA

PREPARED_STATEMENT

RESULT_SET

RESULT_SET_META_DATA

SAVEPOINT

STATEMENT

BLOB

CLOB

PARAMETER_META_DATA

DATA_SOURCE

XA_DATA_SOURCE

XID

ARRAY

trace

构造器详细资料

TraceObject

方法详细资料

setTrace

getTraceId

getTraceObjectName

getNextId

isDebugEnabled

isInfoEnabled

debugCodeAssign

debugCodeCall

debugCodeCall

debugCodeCall

debugCode

quote

quoteTime

quoteTimestamp

quoteDate

quoteBigDecimal

quoteBytes

quoteArray

quoteIntArray

quoteMap

logAndConvert

unsupported