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P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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package foundation.code.segment;
 
import foundation.code.CodeRule;
import foundation.code.SegmentCreator;
import foundation.period.ActivePeriod;
import foundation.persist.NamedSQL;
import foundation.persist.SQLRunner;
import foundation.util.ID;
import foundation.variant.provider.IVariantsProvider;
 
 
public class MonthlyNoSegment extends SegmentCreator {
 
    public static String SQL_GetPeriodSequence = "getPeriodSequence";
    public static String SQL_UpdatePeriodSequence = "updatePeriodSequence";
    public static String SQL_InsertPeriodSequence = "insertPeriodSequence";
    private NamedSQL getPeriodSequence;
    private NamedSQL updatePeriodSequence;
    private NamedSQL insertPeriodSequence;
    private String ruleCode;
    private String cachedValue;
    private Integer sequenceNo;
    
    public MonthlyNoSegment() {
        sequenceNo = null;
    }
    
    @Override
    protected void init(CodeRule rule) {
        ruleCode = rule.getCode();
        
        try {
            getPeriodSequence = NamedSQL.getInstance(SQL_GetPeriodSequence);
            getPeriodSequence.setParam("code", ruleCode);
            
            updatePeriodSequence = NamedSQL.getInstance(SQL_UpdatePeriodSequence);
            updatePeriodSequence.setParam("code", ruleCode);
            
            insertPeriodSequence = NamedSQL.getInstance(SQL_InsertPeriodSequence);
            insertPeriodSequence.setParam("code", ruleCode);
        }
        catch(Exception e) {
            e.printStackTrace();
        }
    }
 
    @Override
    public String getNextSequenceValue(String dynamic, IVariantsProvider... entitys) {
        synchronized (this) {
            NamedSQL namedSQL = null;
            int monthNo = ActivePeriod.getMonthNo();
            
            try {
                //1. 如果内存中没有记录，就获取一次，并插入一条记录
                if (sequenceNo == null) {
                    namedSQL = getPeriodSequence.createInstance();
                    namedSQL.setParam("periodNo", monthNo);
                    namedSQL.setParam("code", ruleCode);
                    sequenceNo = SQLRunner.getInteger(namedSQL);
                }
                
                //2. 如果数据库中没有记录，就插入一条记录（只有第一次会运行）
                if (sequenceNo == null) {
                    sequenceNo = 1;
                    
                    namedSQL = insertPeriodSequence.createInstance();
                    namedSQL.setParam("id", ID.newValue());
                    namedSQL.setParam("code", ruleCode);
                    namedSQL.setParam("periodNo", monthNo);
                    namedSQL.setParam("sequenceValue", sequenceNo);
                    SQLRunner.execSQL(namedSQL);
                }
                
                //3. 如果数据库中没有记录，就插入一条记录（只有第一次会运行）
                else {
                    sequenceNo = sequenceNo + 1;
                    
                    namedSQL = updatePeriodSequence.createInstance();
                    namedSQL.setParam("code", ruleCode);
                    namedSQL.setParam("value", sequenceNo);
                    namedSQL.setParam("periodNo", monthNo);
                    SQLRunner.execSQL(namedSQL);
                }
 
                //4. 返回结果
                String result = String.valueOf(sequenceNo);
                result = format(result);
                
                cachedValue = result;
                return result;
            } 
            catch (Exception e) {
                return null;
            }
        }
    }
 
    @Override
    public String getCurrSequenceValue(String dynamic, IVariantsProvider... entitys) {
        synchronized (this) {
            NamedSQL namedSQL = null;
            int monthNo = ActivePeriod.getMonthNo();
            
            try {
                //1. 如果内存中没有记录，就获取一次，并插入一条记录
                if (sequenceNo == null) {
                    namedSQL = getPeriodSequence.createInstance();
                    namedSQL.setParam("periodNo", monthNo);
                    sequenceNo = SQLRunner.getInteger(namedSQL);
                }
                
                //2. 如果数据库中没有记录，就插入一条记录（只有第一次会运行）
                if (sequenceNo == null) {
                    sequenceNo = 1;
                    
                    namedSQL = insertPeriodSequence.createInstance();
                    namedSQL.setParam("id", ID.newValue());
                    namedSQL.setParam("code", ruleCode);
                    namedSQL.setParam("periodNo", monthNo);
                    namedSQL.setParam("sequenceValue", sequenceNo);
                    SQLRunner.execSQL(namedSQL);
                }
                
                //3. 返回结果
                String result = String.valueOf(sequenceNo);
                result = format(result);
                
                cachedValue = result;
                return result;
            } 
            catch (Exception e) {
                return null;
            }
        }
    }
    
    
 
    @Override
    protected String format(String value) {
        if (value == null) {
            return value;
        }
        
        int length = value.length();
        
        if (length > size-1) {
            return value.substring(0, size-1);
        }
        else if (length == size-1) {
            return value;
        }
        else {
            while (value.length() < size-1) {
                value = "0" + value;
            }
            
            return value;
        }
    }
 
    @Override
    public String getTempValue(String dynamic, IVariantsProvider... entitys) {
        String result = format("#");
        return result;
    }
    
    @Override
    protected void setCodeRule(CodeRule codeRule) {
        ruleCode = codeRule.getCode();
        super.setCodeRule(codeRule);
    }
 
    @Override
    public String toString() {
        return codeRule.getCode() + " : " + cachedValue;
    }
    
}