Class DocumentElement

java.lang.Object
com.inductiveautomation.ignition.common.document.DocumentElement
All Implemented Interfaces:
Serializable
Direct Known Subclasses:
Document, DocumentArray, DocumentNull, DocumentPrimitive

public abstract class DocumentElement extends Object implements Serializable
A class representing an element of Document. It could either be a Document, a DocumentArray, a DocumentPrimitive or a DocumentNull.
See Also:
  • Constructor Details

    • DocumentElement

      public DocumentElement()
  • Method Details

    • fromJson

      public static DocumentElement fromJson(com.inductiveautomation.ignition.common.gson.JsonElement element)
      Utility method to convert a Gson JsonElement to an Ignition DocumentElement.
    • deepCopy

      public abstract DocumentElement deepCopy()
      Returns a deep copy of this element. Immutable elements like primitives and nulls are not copied.
      Since:
      2.8.2
    • toJsonElement

      public abstract com.inductiveautomation.ignition.common.gson.JsonElement toJsonElement()
    • isDocumentArray

      public boolean isDocumentArray()
      provides check for verifying if this element is an array or not.
      Returns:
      true if this element is of type DocumentArray, false otherwise.
    • isDocument

      public boolean isDocument()
      provides check for verifying if this element is a Document object or not.
      Returns:
      true if this element is of type Document, false otherwise.
    • isDocumentPrimitive

      public boolean isDocumentPrimitive()
      provides check for verifying if this element is a primitive or not.
      Returns:
      true if this element is of type DocumentPrimitive, false otherwise.
    • isDocumentNull

      public boolean isDocumentNull()
      provides check for verifying if this element represents a null value or not.
      Returns:
      true if this element is of type DocumentNull, false otherwise.
      Since:
      1.2
    • getAsDocument

      public Document getAsDocument()
      convenience method to get this element as a Document. If the element is of some other type, a IllegalStateException will result. Hence it is best to use this method after ensuring that this element is of the desired type by calling isDocument() first.
      Returns:
      get this element as a Document.
      Throws:
      IllegalStateException - if the element is of another type.
    • getAsDocumentArray

      public DocumentArray getAsDocumentArray()
      convenience method to get this element as a DocumentArray. If the element is of some other type, a IllegalStateException will result. Hence it is best to use this method after ensuring that this element is of the desired type by calling isDocumentArray() first.
      Returns:
      get this element as a DocumentArray.
      Throws:
      IllegalStateException - if the element is of another type.
    • getAsDocumentPrimitive

      public DocumentPrimitive getAsDocumentPrimitive()
      convenience method to get this element as a DocumentPrimitive. If the element is of some other type, a IllegalStateException will result. Hence it is best to use this method after ensuring that this element is of the desired type by calling isDocumentPrimitive() first.
      Returns:
      get this element as a DocumentPrimitive.
      Throws:
      IllegalStateException - if the element is of another type.
    • getAsDocumentNull

      public DocumentNull getAsDocumentNull()
      convenience method to get this element as a DocumentNull. If the element is of some other type, a IllegalStateException will result. Hence it is best to use this method after ensuring that this element is of the desired type by calling isDocumentNull() first.
      Returns:
      get this element as a DocumentNull.
      Throws:
      IllegalStateException - if the element is of another type.
      Since:
      1.2
    • getAsBoolean

      public boolean getAsBoolean()
      convenience method to get this element as a boolean value.
      Returns:
      get this element as a primitive boolean value.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive and is not a valid boolean value.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
    • getAsNumber

      public Number getAsNumber()
      convenience method to get this element as a Number.
      Returns:
      get this element as a Number.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive and is not a valid number.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
    • getAsString

      public String getAsString()
      convenience method to get this element as a string value.
      Returns:
      get this element as a string value.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive and is not a valid string value.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
    • getAsDouble

      public double getAsDouble()
      convenience method to get this element as a primitive double value.
      Returns:
      get this element as a primitive double value.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive and is not a valid double value.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
    • getAsFloat

      public float getAsFloat()
      convenience method to get this element as a primitive float value.
      Returns:
      get this element as a primitive float value.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive and is not a valid float value.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
    • getAsLong

      public long getAsLong()
      convenience method to get this element as a primitive long value.
      Returns:
      get this element as a primitive long value.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive and is not a valid long value.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
    • getAsInt

      public int getAsInt()
      convenience method to get this element as a primitive integer value.
      Returns:
      get this element as a primitive integer value.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive and is not a valid integer value.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
    • getAsByte

      public byte getAsByte()
      convenience method to get this element as a primitive byte value.
      Returns:
      get this element as a primitive byte value.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive and is not a valid byte value.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
      Since:
      1.3
    • getAsCharacter

      public char getAsCharacter()
      convenience method to get this element as a primitive character value.
      Returns:
      get this element as a primitive char value.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive and is not a valid char value.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
      Since:
      1.3
    • getAsBigDecimal

      public BigDecimal getAsBigDecimal()
      convenience method to get this element as a BigDecimal.
      Returns:
      get this element as a BigDecimal.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive.
      NumberFormatException - if the element is not a valid BigDecimal.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
      Since:
      1.2
    • getAsBigInteger

      public BigInteger getAsBigInteger()
      convenience method to get this element as a BigInteger.
      Returns:
      get this element as a BigInteger.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive.
      NumberFormatException - if the element is not a valid BigInteger.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
      Since:
      1.2
    • getAsShort

      public short getAsShort()
      convenience method to get this element as a primitive short value.
      Returns:
      get this element as a primitive short value.
      Throws:
      ClassCastException - if the element is of not a DocumentPrimitive and is not a valid short value.
      IllegalStateException - if the element is of the type DocumentArray but contains more than a single element.
    • toString

      public String toString()
      Returns a String representation of this element.
      Overrides:
      toString in class Object
    • toStringNoIndent

      public String toStringNoIndent()