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org.apache.derby.iapi.services.info
Class JVMInfo  

java.lang.Object
  org.apache.derby.iapi.services.info.JVMInfo

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public abstract class JVMInfo

extends java.lang.Object

What's the current JDK runtime environment.

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Field Summary
static boolean	J2ME
static int	J2SE_13
static int	J2SE_14
static int	J2SE_142
static int	J2SE_15
static int	JAVA_SQL_TYPES_BOOLEAN           JDBC Boolean type - Types.BIT in JDK1.1 & 1.2 & 1.3, Types.BOOLEAN in JDK1.4
static int	JDK_ID           The JVM's runtime environment.

 

Constructor Summary

JVMInfo()

 

Method Summary
static java.lang.String	derbyVMLevel()           Return Derby's understanding of the virtual machine's environment.
private static boolean	vmCheck(java.lang.String vmVersion, java.lang.String id)           Check the vmVersion against a speciifc value.

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

JDK_ID

public static final int JDK_ID

The JVM's runtime environment.

• 1 - not used was JDK 1.1
• 2 - J2SE_13- JDK 1.2, 1.3
• 4 - J2SE_14 - JDK 1.4.0 or 1.4.1
• 5 - J2SE_142 - JDK 1.4.2
• 6 - J2SE_15 - JDK 1.5

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J2SE_13

public static final int J2SE_13

See Also:

Constant Field Values

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J2SE_14

public static final int J2SE_14

See Also:

Constant Field Values

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J2SE_142

public static final int J2SE_142

See Also:

Constant Field Values

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J2SE_15

public static final int J2SE_15

See Also:

Constant Field Values

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J2ME

public static final boolean J2ME

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JAVA_SQL_TYPES_BOOLEAN

public static final int JAVA_SQL_TYPES_BOOLEAN

JDBC Boolean type - Types.BIT in JDK1.1 & 1.2 & 1.3, Types.BOOLEAN in JDK1.4

Constructor Detail

JVMInfo

public JVMInfo()

Method Detail

vmCheck

private static boolean vmCheck(java.lang.String vmVersion,
                               java.lang.String id)

Check the vmVersion against a speciifc value. Sun jvms are of the form

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derbyVMLevel

public static java.lang.String derbyVMLevel()

Return Derby's understanding of the virtual machine's environment.

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