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Enhance JDBC client REPEAT function to use {I} #207

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Sep 27, 2024
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Enhance JDBC client REPEAT function to use {I} #207

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23 changes: 12 additions & 11 deletions src/main/java/com/ibm/as400/access/jdbcClient/Main.java
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Original file line number Diff line number Diff line change
Expand Up @@ -121,18 +121,18 @@ public class Main implements Runnable {
"!SHOWMIXEDUX [true | false] Set if mixed UX strings will be displayed",
"!SET AUTOCOMMIT [true|false] Sets the autocommit value",
"!SET TRANSACTIONISOLATION [VALUE] Sets the autocommit value",
" Supported values are ",
" TRANSACTION_READ_UNCOMMITTED",
" TRANSACTION_READ_COMMITTED",
" TRANSACTION_REPEATABLE_READ",
" TRANSACTION_SERIALIZABLE",
" Supported values are ",
" TRANSACTION_READ_UNCOMMITTED",
" TRANSACTION_READ_COMMITTED",
" TRANSACTION_REPEATABLE_READ",
" TRANSACTION_SERIALIZABLE",
"!GETSERVERJOBNAME Returns connection.getServerJobName",
"!CLOSESTATEMENTRS [on|off] Close statement and result set after execution of query default off",
"!MEASUREEXECUTE [on|off] Measure time to do execute",
"!CHARACTERDETAILS [on|off] Turn on to see entire character details -- default of off",
"!MANUALFETCH [on|off] Set if manual fetch operations should be used",
"!RS.NEXT,!RS.FIRST, !RS.LAST, !RS.PREVIOUS, !RS.ABSOLUTE pos, !RS.RELATIVE pos, !RS.BEFOREFIRST, !RS.AFTERLAST",
" Call rs.next,... for manually fetching",
" Call rs.next,... for manually fetching",
"!DMD.GETCOLUMNS catalog, schemaPattern, tableNamePattern, columnNamePattern ",
"!DMD.GETTABLES catalog, schemaPattern, tableNamePattern, type1 | type2",
"!DMD.GETINDEXINFO catalog, schema, table, booleanUnique, booleanApproximate ",
Expand Down Expand Up @@ -167,21 +167,21 @@ public class Main implements Runnable {

"",
"The following 'reflection' based commands are available",
"!SETVAR [VARNAME] = [METHODCALL] Sets a variable use a method.. i.e. ",
"!SETVAR [VARNAME] = [METHODCALL] Sets a variable using a method.. i.e. ",
" SETVAR BLOB = RS.getBlob(1)",
"!SETVAR [VARNAME] [PARAMETER SPECIFICATION] Sets a variable using a parameter specification",
"!SETNEWVAR [VARNAME] = [CONSTRUCTORCALL] Sets a variable by calling the contructor",
" SETNEWVAR DS = com.ibm.db2.jdbc.app.UDBDataSource()",
"!SHOWVARMETHODS [VARNAME] Shows the methods for a variable",

"!CALLMETHOD [METHODCALL] Calls a method on a variable",
"!CALLMETHOD [METHODCALL] Calls a method on a variable or a class",
" Hint: To see a result set use !CALLMETHOD com.ibm.as400.access.jdbcClient.Main.dispResultSet(RS)",
" Hint: To access an array use !SETVAR LIST=java.util.Arrays.asList(ARRAYVARIABLE)",
"",
"!THREAD [COMMAND] Runs a command in its own thread.",
"!THREADPERSIST [THREADNAME] Create a thread that persist.",
"!THREADEXEC [THREADNAME] [COMMAND] Execute a command in a persistent thread.",
"!REPEAT [NUMBER] [COMMAND] Repeat a command a number of times.",
"!REPEAT [NUMBER] [COMMAND] Repeat a command a number of times. An {I} in the command is replaced with the iteration number",
"!EXIT_REPEAT_ON_EXCEPTION [false|true] Exit the repeat if an exception occurs. ",
"" };

Expand Down Expand Up @@ -2544,18 +2544,19 @@ public boolean executeCommand(String command1, PrintStream printStreamForExecute
if (spaceIndex > 0) {
int repeatCount = Integer.parseInt(left.substring(0, spaceIndex));
if (repeatCount > 0) {
String newCommand = left.substring(spaceIndex).trim();
String baseCommand = left.substring(spaceIndex).trim();
int beginCount = repeatCount;
int iteration = 1;
while (repeatCount > 0) {
printStreamForExecuteCommand.println("Iteration " + iteration + " of " + beginCount);
iteration++;
exceptionOccurred_ = false;
String newCommand = baseCommand.replaceAll("\\{I\\}", ""+iteration);
executeTopLevelCommand(newCommand, printStreamForExecuteCommand);
repeatCount--;
if (exitRepeatOnException_ && exceptionOccurred_) {
repeatCount = 0;
}
iteration++;
}
} else {
printStreamForExecuteCommand.println("Error.. invalid repeat count "
Expand Down