PostgreSQL JDBC Driver 42.7.2 · org.postgresql.geometric.PGline

Modifier and Type	Field and Description
public double	a Coefficient of x.
public double	b Coefficient of y.
public double	c Constant.
private boolean	isNull

Access	Constructor and Description
public	PGline(double coefficient of x a, double coefficient of y b, double constant c)
public	PGline(double coordinate for first point on the line x1, double coordinate for first point on the line y1, double coordinate for second point on the line x2, double coordinate for second point on the line y2)
public	PGline(@Nullable PGpoint first point on the line p1, @Nullable PGpoint second point on the line p2)
public	PGline(@Nullable PGlseg Line segment which calls on this line. lseg)
public	PGline(String definition of the line in PostgreSQL's syntax. s)
public	PGline() required by the driver.

Method Summary

Modifier and Type	Method and Description
public Object	clone() Overrides org.postgresql.util.PGobject.clone. This must be overridden to allow the object to be cloned.
public boolean	Returns: true if the two lines are identical equals(@Nullable Object Object to compare with obj) Overrides java.lang.Object.equals. Indicates whether some other object is "equal to" this one.
public @Nullable String	Returns: the PGline in the syntax expected by org.postgresql getValue() Overrides org.postgresql.util.PGobject.getValue. This must be overridden, to return the value of the object, in the form required by org.postgresql.
public int	hashCode() Overrides org.postgresql.util.PGobject.hashCode. Compute hash.
private void	setValue(@Nullable PGpoint p1, @Nullable PGpoint p2)
private void	setValue(double x1, double y1, double x2, double y2)
public void	setValue(@Nullable String Definition of the line in PostgreSQL's syntax s)

Inherited from org.postgresql.util.PGobject:: equals equals getType isNull setType setValue toString

Field Detail

a	back to summary
public double a Coefficient of x.

b	back to summary
public double b Coefficient of y.

c	back to summary
public double c Constant.

isNull	back to summary
private boolean isNull

Constructor Detail

PGline	back to summary
public PGline(double a, double b, double c) Parameters a:double coefficient of x b:double coefficient of y c:double constant

PGline	back to summary
public PGline(double x1, double y1, double x2, double y2) Parameters x1:double coordinate for first point on the line y1:double coordinate for first point on the line x2:double coordinate for second point on the line y2:double coordinate for second point on the line Annotations @SuppressWarnings:method.invocation

PGline	back to summary
public PGline(@Nullable PGpoint p1, @Nullable PGpoint p2) Parameters p1:@Nullable PGpoint first point on the line p2:@Nullable PGpoint second point on the line Annotations @SuppressWarnings:method.invocation

PGline	back to summary
public PGline(@Nullable PGlseg lseg) Parameters lseg:@Nullable PGlseg Line segment which calls on this line. Annotations @SuppressWarnings:method.invocation

PGline	back to summary
public PGline(String s) throws SQLException Parameters s:String definition of the line in PostgreSQL's syntax. Annotations @SuppressWarnings:method.invocation Exceptions SQLException: on conversion failure

PGline	back to summary
public PGline() required by the driver.

Method Detail

clone back to summary

clone	back to summary
public Object clone() throws CloneNotSupportedException Overrides org.postgresql.util.PGobject.clone. Doc from org.postgresql.util.PGobject.clone. This must be overridden to allow the object to be cloned. Returns:Object Doc from java.lang.Object.clone. a clone of this instance. Annotations @Override Exceptions CloneNotSupportedException: Doc from java.lang.Object.clone. if the object's class does not support the `Cloneable` interface. Subclasses that override the `clone` method can also throw this exception to indicate that an instance cannot be cloned.

public Object clone() throws CloneNotSupportedException

Overrides org.postgresql.util.PGobject.clone.

Doc from org.postgresql.util.PGobject.clone.

This must be overridden to allow the object to be cloned.

Returns:Object

Doc from java.lang.Object.clone.

a clone of this instance.

Annotations

@Override

Exceptions

CloneNotSupportedException:

Doc from java.lang.Object.clone.

if the object's class does not support the Cloneable interface. Subclasses that override the clone method can also throw this exception to indicate that an instance cannot be cloned.

equals back to summary

equals	back to summary
public boolean equals(@Nullable Object obj) Overrides java.lang.Object.equals. Doc from java.lang.Object.equals. Indicates whether some other object is "equal to" this one. The `equals` method implements an equivalence relation on non-null object references: It is reflexive: for any non-null reference value `x`, `x.equals(x)` should return `true`. It is symmetric: for any non-null reference values `x` and `y`, `x.equals(y)` should return `true` if and only if `y.equals(x)` returns `true`. It is transitive: for any non-null reference values `x`, `y`, and `z`, if `x.equals(y)` returns `true` and `y.equals(z)` returns `true`, then `x.equals(z)` should return `true`. It is consistent: for any non-null reference values `x` and `y`, multiple invocations of `x.equals(y)` consistently return `true` or consistently return `false`, provided no information used in `equals` comparisons on the objects is modified. For any non-null reference value `x`, `x.equals(null)` should return `false`. An equivalence relation partitions the elements it operates on into equivalence classes; all the members of an equivalence class are equal to each other. Members of an equivalence class are substitutable for each other, at least for some purposes. Parameters obj:@Nullable Object Object to compare with Returns:boolean true if the two lines are identical Annotations @Override

public boolean equals(@Nullable Object obj)

Overrides java.lang.Object.equals.

Doc from java.lang.Object.equals.

Indicates whether some other object is "equal to" this one.

The equals method implements an equivalence relation on non-null object references:

It is reflexive: for any non-null reference value x, x.equals(x) should return true.
It is symmetric: for any non-null reference values x and y, x.equals(y) should return true if and only if y.equals(x) returns true.
It is transitive: for any non-null reference values x, y, and z, if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.
It is consistent: for any non-null reference values x and y, multiple invocations of x.equals(y) consistently return true or consistently return false, provided no information used in equals comparisons on the objects is modified.
For any non-null reference value x, x.equals(null) should return false.

An equivalence relation partitions the elements it operates on into equivalence classes; all the members of an equivalence class are equal to each other. Members of an equivalence class are substitutable for each other, at least for some purposes.

Parameters

obj:@Nullable Object: Object to compare with

Returns:boolean

true if the two lines are identical

Annotations

@Override

getValue	back to summary
public @Nullable String getValue() Overrides org.postgresql.util.PGobject.getValue. Doc from org.postgresql.util.PGobject.getValue. This must be overridden, to return the value of the object, in the form required by org.postgresql. Returns:@Nullable String the PGline in the syntax expected by org.postgresql Annotations @Override

getValue

back to summary

public @Nullable String getValue()

Overrides org.postgresql.util.PGobject.getValue.

Doc from org.postgresql.util.PGobject.getValue.

This must be overridden, to return the value of the object, in the form required by org.postgresql.

Returns:@Nullable String

the PGline in the syntax expected by org.postgresql

Annotations

@Override

hashCode back to summary

hashCode	back to summary
public int hashCode() Overrides org.postgresql.util.PGobject.hashCode. Doc from org.postgresql.util.PGobject.hashCode. Compute hash. As equals() use only value. Return the same hash for the same value. Returns:int Value hashcode, 0 if value is null `java.util.Objects#hashCode(Object)` Annotations @Override

public int hashCode()

Overrides org.postgresql.util.PGobject.hashCode.

Doc from org.postgresql.util.PGobject.hashCode.

Compute hash. As equals() use only value. Return the same hash for the same value.

Returns:int

Value hashcode, 0 if value is null java.util.Objects#hashCode(Object)

Annotations

@Override

setValue	back to summary
private void setValue(@Nullable PGpoint p1, @Nullable PGpoint p2)

setValue	back to summary
private void setValue(double x1, double y1, double x2, double y2)

setValue	back to summary
public void setValue(@Nullable String s) throws SQLException Parameters s:@Nullable String Definition of the line in PostgreSQL's syntax Annotations @Override Exceptions SQLException: on conversion failure

public Class PGline

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail