Package org.geotools.brewer.styling.filter.expression

Class ExpressionBuilder

Object
ExpressionBuilder
All Implemented Interfaces:
Builder<Expression>
Direct Known Subclasses:
ChildExpressionBuilder
public class ExpressionBuilder extends Object implements Builder<Expression>
ExpressionBuilder acting as a simple wrapper around an Expression.

  • Field Details

  • Constructor Details

    • ExpressionBuilder

      public ExpressionBuilder()

    • ExpressionBuilder

      public ExpressionBuilder(Expression expr)

  • Method Details

    • literal

      public LiteralBuilder literal()
      Define expression as a literal.

      Example:b.literal().value( 1 );

    • literal

      public Builder<?> literal(Object literal)

    • add

      public AddBuilder add()

    • multiply

      public MultiplyBuilder multiply()

    • divide

      public DivideBuilder divide()

    • subtract

      public SubtractBuilder subtract()

    • property

      public PropertyNameBuilder property()

    • property

      public Builder<?> property(String xpath)

    • function

      public FunctionBuilder function()

    • function

      public FunctionBuilder function(String name)

    • build

      public Expression build()
      Build the expression.
      Specified by:
      build in interface Builder<Expression>
      Returns:
      Created object may be null if unset()

    • reset

      public ExpressionBuilder reset()
      Description copied from interface: Builder
      Configure the Builder to produce a default result.
      Specified by:
      reset in interface Builder<Expression>
      Returns:
      Builder configured to produce a default result.

    • reset

      public ExpressionBuilder reset(Expression original)
      Description copied from interface: Builder
      Configure the Builder to produce a copy of the provided original.
      Specified by:
      reset in interface Builder<Expression>
      Parameters:
      original - Original, if null this will behave the same as unset()
      Returns:
      Builder configured to produce the provided original

    • unset

      public ExpressionBuilder unset()
      Description copied from interface: Builder
      Configure the Builder to produce null.

      This method allows a Builder to be used as a placeholder; in its unset state the build() method will produce null. If any of the builder methods are used the builder will produce a result.

      Specified by:
      unset in interface Builder<Expression>
      Returns:
      Builder configured to build null

    • isUnset

      public boolean isUnset()