Java Doc for FieldExpression.java in  » Workflow-Engines » OSWorkflow » com » opensymphony » workflow » query » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » OSWorkflow » com.opensymphony.workflow.query 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   com.opensymphony.workflow.query.Expression
      com.opensymphony.workflow.query.FieldExpression

FieldExpression
public class FieldExpression extends Expression (Code)
Field expressions are used when constructing a workflow query on the fields of persistent workflow instances like (START_DATE, OWNER,....). Field expressions have three attributes. These are:
  • operator: This is the operator to apply on the expression.
  • field: The workflow field to test agains
  • Context: The context to search in, which can be one history, current steps, or a workflow instance.
    author:
       Christine Zimmermann


  • Field Summary
    final public static  intACTION
         Constant for the workflow action field.
    final public static  intCALLER
         Constant for the workflow caller field.
    final public static  intCURRENT_STEPS
         Constant for the history steps context.
    final public static  intDUE_DATE
         Constant for the workflow due date field.
    final public static  intENTRY
         Constant for the workflow entry context.
    final public static  intEQUALS
         Constant for the equality operator.
    final public static  intFINISH_DATE
         Constant for the workflow finish date field.
    final public static  intGT
         Constant for the greater than operator.
    final public static  intHISTORY_STEPS
         Constant for the history steps context.
    final public static  intLT
         Constant for the less than operator.
    final public static  intNAME
         Constant for the workflow name field.
    final public static  intNOT_EQUALS
         Constant for the not equals operator.
    final public static  intOWNER
         Constant for the workflow owner field.
    final public static  intSTART_DATE
         Constant for the workflow start date field.
    final public static  intSTATE
         Constant for the state field.
    final public static  intSTATUS
         Constant for the workflow status field.
    final public static  intSTEP
         Constant for the workflow step field.

    Constructor Summary
    public  FieldExpression()
        
    public  FieldExpression(int field, int context, int operator, Object value)
        
    public  FieldExpression(int field, int context, int operator, Object value, boolean negate)
        

    Method Summary
    public  intgetContext()
        
    public  intgetField()
        
    public  intgetOperator()
        
    public  ObjectgetValue()
        
    public  booleanisNested()
        
    public  voidsetContext(int context)
        
    public  voidsetField(int field)
        
    public  voidsetOperator(int operator)
        
    public  voidsetValue(Object value)
        

    Field Detail
    ACTION
    final public static int ACTION(Code)
    Constant for the workflow action field.



    CALLER
    final public static int CALLER(Code)
    Constant for the workflow caller field.



    CURRENT_STEPS
    final public static int CURRENT_STEPS(Code)
    Constant for the history steps context. Specifying this context means that the search should be performed against the workflow current steps.



    DUE_DATE
    final public static int DUE_DATE(Code)
    Constant for the workflow due date field.



    ENTRY
    final public static int ENTRY(Code)
    Constant for the workflow entry context. Specifying this context means that the search should be performed against the workflow entries.



    EQUALS
    final public static int EQUALS(Code)
    Constant for the equality operator.



    FINISH_DATE
    final public static int FINISH_DATE(Code)
    Constant for the workflow finish date field.



    GT
    final public static int GT(Code)
    Constant for the greater than operator.



    HISTORY_STEPS
    final public static int HISTORY_STEPS(Code)
    Constant for the history steps context. Specifying this context means that the search should be performed against the workflow steps.



    LT
    final public static int LT(Code)
    Constant for the less than operator.



    NAME
    final public static int NAME(Code)
    Constant for the workflow name field.



    NOT_EQUALS
    final public static int NOT_EQUALS(Code)
    Constant for the not equals operator.



    OWNER
    final public static int OWNER(Code)
    Constant for the workflow owner field.



    START_DATE
    final public static int START_DATE(Code)
    Constant for the workflow start date field.



    STATE
    final public static int STATE(Code)
    Constant for the state field.



    STATUS
    final public static int STATUS(Code)
    Constant for the workflow status field.



    STEP
    final public static int STEP(Code)
    Constant for the workflow step field.




    Constructor Detail
    FieldExpression
    public FieldExpression()(Code)



    FieldExpression
    public FieldExpression(int field, int context, int operator, Object value)(Code)



    FieldExpression
    public FieldExpression(int field, int context, int operator, Object value, boolean negate)(Code)




    Method Detail
    getContext
    public int getContext()(Code)



    getField
    public int getField()(Code)



    getOperator
    public int getOperator()(Code)



    getValue
    public Object getValue()(Code)



    isNested
    public boolean isNested()(Code)



    setContext
    public void setContext(int context)(Code)



    setField
    public void setField(int field)(Code)



    setOperator
    public void setOperator(int operator)(Code)



    setValue
    public void setValue(Object value)(Code)



    Fields inherited from com.opensymphony.workflow.query.Expression
    protected boolean negate(Code)(Java Doc)

    Methods inherited from com.opensymphony.workflow.query.Expression
    public boolean isNegate()(Code)(Java Doc)
    abstract public boolean isNested()(Code)(Java Doc)

    Methods inherited from java.lang.Object
    native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
    public boolean equals(Object obj)(Code)(Java Doc)
    protected void finalize() throws Throwable(Code)(Java Doc)
    final native public Class getClass()(Code)(Java Doc)
    native public int hashCode()(Code)(Java Doc)
    final native public void notify()(Code)(Java Doc)
    final native public void notifyAll()(Code)(Java Doc)
    public String toString()(Code)(Java Doc)
    final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
    final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
    final public void wait() throws InterruptedException(Code)(Java Doc)

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