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Adds SetDefault methods to NetworkTables (#54)

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There was no way to atomically check for a key in the table,
and then setting if it if non existant. Back before persistent
this was not a problem, however now it is, as its possible for
values to be added before team's robot programs start. This makes
the old method of calling Put*** methods in RobotInit invalid.
This adds SetDefault methods, which do this atomically.
This commit is contained in:
Thad House
2016-07-13 00:31:03 -07:00
committed by Peter Johnson
parent 6615a34e99
commit 58092c5190
15 changed files with 785 additions and 1 deletions
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74
java/src/edu/wpi/first/wpilibj/networktables/NetworkTable.java
View File

@@ -502,6 +502,14 @@ public class NetworkTable implements ITable, IRemote {
public boolean putNumber(String key, double value) {
return NetworkTablesJNI.putDouble(path + PATH_SEPARATOR + key, value);
}
/**
* {@inheritDoc}
*/
public boolean setDefaultNumber(String key, double defaultValue) {
return NetworkTablesJNI.setDefaultDouble(path + PATH_SEPARATOR + key,
defaultValue);
}
/**
* {@inheritDoc}
@@ -529,6 +537,14 @@ public class NetworkTable implements ITable, IRemote {
public boolean putString(String key, String value) {
return NetworkTablesJNI.putString(path + PATH_SEPARATOR + key, value);
}
/**
* {@inheritDoc}
*/
public boolean setDefaultString(String key, String defaultValue) {
return NetworkTablesJNI.setDefaultString(path + PATH_SEPARATOR + key,
defaultValue);
}
/**
* {@inheritDoc}
@@ -556,6 +572,14 @@ public class NetworkTable implements ITable, IRemote {
public boolean putBoolean(String key, boolean value) {
return NetworkTablesJNI.putBoolean(path + PATH_SEPARATOR + key, value);
}
/**
* {@inheritDoc}
*/
public boolean setDefaultBoolean(String key, boolean defaultValue) {
return NetworkTablesJNI.setDefaultBoolean(path + PATH_SEPARATOR + key,
defaultValue);
}
/**
* {@inheritDoc}
@@ -591,6 +615,22 @@ public class NetworkTable implements ITable, IRemote {
public boolean putBooleanArray(String key, Boolean[] value) {
return putBooleanArray(key, toNative(value));
}
/**
* {@inheritDoc}
*/
public boolean setDefaultBooleanArray(String key, boolean[] defaultValue) {
return NetworkTablesJNI.setDefaultBooleanArray(path + PATH_SEPARATOR + key,
defaultValue);
}
/**
* {@inheritDoc}
*/
public boolean setDefaultBooleanArray(String key, Boolean[] defaultValue) {
return NetworkTablesJNI.setDefaultBooleanArray(path + PATH_SEPARATOR + key,
toNative(defaultValue));
}
/**
* {@inheritDoc}
@@ -638,6 +678,22 @@ public class NetworkTable implements ITable, IRemote {
public boolean putNumberArray(String key, Double[] value) {
return putNumberArray(key, toNative(value));
}
/**
* {@inheritDoc}
*/
public boolean setDefaultNumberArray(String key, double[] defaultValue) {
return NetworkTablesJNI.setDefaultDoubleArray(path + PATH_SEPARATOR + key,
defaultValue);
}
/**
* {@inheritDoc}
*/
public boolean setDefaultNumberArray(String key, Double[] defaultValue) {
return NetworkTablesJNI.setDefaultDoubleArray(path + PATH_SEPARATOR + key,
toNative(defaultValue));
}
/**
* {@inheritDoc}
@@ -677,7 +733,15 @@ public class NetworkTable implements ITable, IRemote {
public boolean putStringArray(String key, String[] value) {
return NetworkTablesJNI.putStringArray(path + PATH_SEPARATOR + key, value);
}
/**
* {@inheritDoc}
*/
public boolean setDefaultStringArray(String key, String[] defaultValue) {
return NetworkTablesJNI.setDefaultStringArray(path + PATH_SEPARATOR + key,
defaultValue);
}
/**
* {@inheritDoc}
* @deprecated This exception-raising method has been replaced by the
@@ -704,6 +768,14 @@ public class NetworkTable implements ITable, IRemote {
public boolean putRaw(String key, byte[] value) {
return NetworkTablesJNI.putRaw(path + PATH_SEPARATOR + key, value);
}
/**
* {@inheritDoc}
*/
public boolean setDefaultRaw(String key, byte[] defaultValue) {
return NetworkTablesJNI.setDefaultRaw(path + PATH_SEPARATOR + key,
defaultValue);
}
/**
* {@inheritDoc}

8
java/src/edu/wpi/first/wpilibj/networktables/NetworkTablesJNI.java
View File

@@ -106,6 +106,14 @@ public class NetworkTablesJNI {
public static native double[] getDoubleArray(String key, double[] defaultValue);
public static native String[] getStringArray(String key, String[] defaultValue);
public static native boolean setDefaultBoolean(String key, boolean defaultValue);
public static native boolean setDefaultDouble(String key, double defaultValue);
public static native boolean setDefaultString(String key, String defaultValue);
public static native boolean setDefaultRaw(String key, byte[] defaultValue);
public static native boolean setDefaultBooleanArray(String key, boolean[] defaultValue);
public static native boolean setDefaultDoubleArray(String key, double[] defaultValue);
public static native boolean setDefaultStringArray(String key, String[] defaultValue);
public static native void setEntryFlags(String key, int flags);
public static native int getEntryFlags(String key);

81
java/src/edu/wpi/first/wpilibj/tables/ITable.java
View File

@@ -165,6 +165,15 @@ public interface ITable {
* @return False if the table key already exists with a different type
*/
public boolean putNumber(String key, double value);
/**
* Gets the current value in the table, setting it if it does not exist.
* @param key the key
* @param defaultValue the default value to set if key doens't exist.
* @return False if the table key exists with a different type
*/
public boolean setDefaultNumber(String key, double defaultValue);
/**
* Returns the number the key maps to.
* @param key the key to look up
@@ -193,6 +202,15 @@ public interface ITable {
* @return False if the table key already exists with a different type
*/
public boolean putString(String key, String value);
/**
* Gets the current value in the table, setting it if it does not exist.
* @param key the key
* @param defaultValue the default value to set if key doens't exist.
* @return False if the table key exists with a different type
*/
public boolean setDefaultString(String key, String defaultValue);
/**
* Returns the string the key maps to.
* @param key the key to look up
@@ -221,6 +239,15 @@ public interface ITable {
* @return False if the table key already exists with a different type
*/
public boolean putBoolean(String key, boolean value);
/**
* Gets the current value in the table, setting it if it does not exist.
* @param key the key
* @param defaultValue the default value to set if key doens't exist.
* @return False if the table key exists with a different type
*/
public boolean setDefaultBoolean(String key, boolean defaultValue);
/**
* Returns the boolean the key maps to.
* @param key the key to look up
@@ -249,6 +276,15 @@ public interface ITable {
* @return False if the table key already exists with a different type
*/
public boolean putBooleanArray(String key, boolean[] value);
/**
* Gets the current value in the table, setting it if it does not exist.
* @param key the key
* @param defaultValue the default value to set if key doens't exist.
* @return False if the table key exists with a different type
*/
public boolean setDefaultBooleanArray(String key, boolean[] defaultValue);
/**
* Put a boolean array in the table
* @param key the key to be assigned to
@@ -256,6 +292,15 @@ public interface ITable {
* @return False if the table key already exists with a different type
*/
public boolean putBooleanArray(String key, Boolean[] value);
/**
* Gets the current value in the table, setting it if it does not exist.
* @param key the key
* @param defaultValue the default value to set if key doens't exist.
* @return False if the table key exists with a different type
*/
public boolean setDefaultBooleanArray(String key, Boolean[] defaultValue);
/**
* Returns the boolean array the key maps to.
* @param key the key to look up
@@ -293,6 +338,15 @@ public interface ITable {
* @return False if the table key already exists with a different type
*/
public boolean putNumberArray(String key, double[] value);
/**
* Gets the current value in the table, setting it if it does not exist.
* @param key the key
* @param defaultValue the default value to set if key doens't exist.
* @return False if the table key exists with a different type
*/
public boolean setDefaultNumberArray(String key, double[] defaultValue);
/**
* Put a number array in the table
* @param key the key to be assigned to
@@ -300,6 +354,15 @@ public interface ITable {
* @return False if the table key already exists with a different type
*/
public boolean putNumberArray(String key, Double[] value);
/**
* Gets the current value in the table, setting it if it does not exist.
* @param key the key
* @param defaultValue the default value to set if key doens't exist.
* @return False if the table key exists with a different type
*/
public boolean setDefaultNumberArray(String key, Double[] defaultValue);
/**
* Returns the number array the key maps to.
* @param key the key to look up
@@ -337,6 +400,15 @@ public interface ITable {
* @return False if the table key already exists with a different type
*/
public boolean putStringArray(String key, String[] value);
/**
* Gets the current value in the table, setting it if it does not exist.
* @param key the key
* @param defaultValue the default value to set if key doens't exist.
* @return False if the table key exists with a different type
*/
public boolean setDefaultStringArray(String key, String[] defaultValue);
/**
* Returns the string array the key maps to.
* @param key the key to look up
@@ -365,6 +437,15 @@ public interface ITable {
* @return False if the table key already exists with a different type
*/
public boolean putRaw(String key, byte[] value);
/**
* Gets the current value in the table, setting it if it does not exist.
* @param key the key
* @param defaultValue the default value to set if key doens't exist.
* @return False if the table key exists with a different type
*/
public boolean setDefaultRaw(String key, byte[] defaultValue);
/**
* Put a raw value (bytes from a byte buffer) in the table
* @param key the key to be assigned to